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Commit | Line | Data |
---|---|---|
1 | ||
2 | //// | |
3 | ||
4 | This is currently not included, because | |
5 | - it requires ifupdown2 | |
6 | - routing needs more documentation | |
7 | ||
8 | //// | |
9 | ||
10 | ||
11 | VXLAN layer2 with vlan unware linux bridges | |
12 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
13 | ||
14 | VXLAN is an overlay network to carry Ethernet traffic over an existing IP network | |
15 | while accommodating a very large number of tenants. It is defined in RFC 7348. | |
16 | Each overlay network is known as a VXLAN Segment and identified by a unique | |
17 | 24-bit segment ID called a VXLAN Network Identifier (VNI). | |
18 | ||
19 | VXLAN encapsulation add 50bytes overhead, so you need to increase mtu on your host | |
20 | physical interfaces to 1550 at minimum. (or decrease mtu inside your vms to 1450) | |
21 | ||
22 | For BUM traffic (broadcast / unknown unicast traffic, multicast), | |
23 | we have 3 differents vxlan setup modes : multicast, unicast, bgp-evpn | |
24 | ||
25 | image::images/vxlan-l2-vlanunaware.svg["vxlan l2 bridge vlan unaware",align="center"] | |
26 | ||
27 | multicast mode | |
28 | ^^^^^^^^^^^^^^ | |
29 | ||
30 | This scenario relies in head end replication, meaning that end host in case | |
31 | of not having any entry for the destination MAC address will send out an ARP | |
32 | to other devices / VTEPs in the VXLAN network. | |
33 | This is done by sending the request to the VXLAN multicast group, | |
34 | remote VTEPs will get the packet and answer accordingly direct to the originating VTEP. | |
35 | ||
36 | ||
37 | * node1 | |
38 | ||
39 | ---- | |
40 | auto eno1 | |
41 | iface eno1 inet manual | |
42 | mtu 1550 | |
43 | ||
44 | auto vmbr0 | |
45 | iface vmbr0 inet static | |
46 | address 192.168.0.1 | |
47 | netmask 255.255.255.0 | |
48 | bridge_ports eno1 | |
49 | bridge_stp off | |
50 | bridge_fd 0 | |
51 | ||
52 | auto vxlan2 | |
53 | iface vxlan2 inet manual | |
54 | vxlan-id 2 | |
55 | vxlan-svcnodeip 225.20.1.1 | |
56 | vxlan-physdev eno1 | |
57 | ||
58 | auto vmbr2 | |
59 | iface vmbr2 inet manual | |
60 | bridge_ports vxlan2 | |
61 | bridge_stp off | |
62 | bridge_fd 0 | |
63 | ||
64 | auto vxlan3 | |
65 | iface vxlan3 inet manual | |
66 | vxlan-id 3 | |
67 | vxlan-svcnodeip 225.20.1.1 | |
68 | vxlan-physdev eno1 | |
69 | ||
70 | auto vmbr3 | |
71 | iface vmbr3 inet manual | |
72 | bridge_ports vxlan3 | |
73 | bridge_stp off | |
74 | bridge_fd 0 | |
75 | ---- | |
76 | ||
77 | ||
78 | * node2 | |
79 | ||
80 | ---- | |
81 | auto eno1 | |
82 | iface eno1 inet manual | |
83 | mtu 1550 | |
84 | ||
85 | auto vmbr0 | |
86 | iface vmbr0 inet static | |
87 | address 192.168.0.2 | |
88 | netmask 255.255.255.0 | |
89 | bridge_ports eno1 | |
90 | bridge_stp off | |
91 | bridge_fd 0 | |
92 | ||
93 | auto vxlan2 | |
94 | iface vxlan2 inet manual | |
95 | vxlan-id 2 | |
96 | vxlan-svcnodeip 225.20.1.1 | |
97 | vxlan-physdev eno1 | |
98 | ||
99 | auto vmbr2 | |
100 | iface vmbr2 inet manual | |
101 | bridge_ports vxlan2 | |
102 | bridge_stp off | |
103 | bridge_fd 0 | |
104 | ||
105 | ||
106 | auto vxlan3 | |
107 | iface vxlan3 inet manual | |
108 | vxlan-id 3 | |
109 | vxlan-svcnodeip 225.20.1.1 | |
110 | vxlan-physdev eno1 | |
111 | ||
112 | auto vmbr3 | |
113 | iface vmbr3 inet manual | |
114 | bridge_ports vxlan3 | |
115 | bridge_stp off | |
116 | bridge_fd 0 | |
117 | ---- | |
118 | ||
119 | ||
120 | * node3 | |
121 | ||
122 | ---- | |
123 | auto eno1 | |
124 | iface eno1 inet manual | |
125 | mtu 1550 | |
126 | ||
127 | auto vmbr0 | |
128 | iface vmbr0 inet static | |
129 | address 192.168.0.3 | |
130 | netmask 255.255.255.0 | |
131 | bridge_ports eno1 | |
132 | bridge_stp off | |
133 | bridge_fd 0 | |
134 | ||
135 | auto vxlan2 | |
136 | iface vxlan2 inet manual | |
137 | vxlan-id 2 | |
138 | vxlan-svcnodeip 225.20.1.1 | |
139 | vxlan-physdev eno1 | |
140 | ||
141 | auto vmbr2 | |
142 | iface vmbr2 inet manual | |
143 | bridge_ports vxlan2 | |
144 | bridge_stp off | |
145 | bridge_fd 0 | |
146 | ||
147 | ||
148 | auto vxlan3 | |
149 | iface vxlan3 inet manual | |
150 | vxlan-id 3 | |
151 | vxlan-svcnodeip 225.20.1.1 | |
152 | vxlan-physdev eno1 | |
153 | ||
154 | auto vmbr3 | |
155 | iface vmbr3 inet manual | |
156 | bridge_ports vxlan3 | |
157 | bridge_stp off | |
158 | bridge_fd 0 | |
159 | ---- | |
160 | ||
161 | ||
162 | unicast mode | |
163 | ^^^^^^^^^^^^ | |
164 | ||
165 | We can replace multicast by head-end replication of BUM frames to a statically configured lists of remote VTEPs. | |
166 | The VXLAN is defined without a remote multicast group. | |
167 | Instead, all the remote VTEPs are associated with the all-zero address: | |
168 | a BUM frame will be duplicated to all these destinations. | |
169 | The VXLAN device will still learn remote addresses automatically using source-address learning. | |
170 | ||
171 | * node1 | |
172 | ||
173 | ---- | |
174 | auto eno1 | |
175 | iface eno1 inet manual | |
176 | mtu 1550 | |
177 | ||
178 | auto vmbr0 | |
179 | iface vmbr0 inet static | |
180 | address 192.168.0.1 | |
181 | netmask 255.255.255.0 | |
182 | bridge_ports eno1 | |
183 | bridge_stp off | |
184 | bridge_fd 0 | |
185 | ||
186 | ||
187 | auto vxlan2 | |
188 | iface vxlan2 inet manual | |
189 | vxlan-id 2 | |
190 | vxlan_remoteip 192.168.0.2 | |
191 | vxlan_remoteip 192.168.0.3 | |
192 | ||
193 | ||
194 | auto vmbr2 | |
195 | iface vmbr2 inet manual | |
196 | bridge_ports vxlan2 | |
197 | bridge_stp off | |
198 | bridge_fd 0 | |
199 | ||
200 | ||
201 | auto vxlan3 | |
202 | iface vxlan2 inet manual | |
203 | vxlan-id 3 | |
204 | vxlan_remoteip 192.168.0.2 | |
205 | vxlan_remoteip 192.168.0.3 | |
206 | ||
207 | ||
208 | auto vmbr3 | |
209 | iface vmbr3 inet manual | |
210 | bridge_ports vxlan3 | |
211 | bridge_stp off | |
212 | bridge_fd 0 | |
213 | ---- | |
214 | ||
215 | ||
216 | * node2 | |
217 | ||
218 | ---- | |
219 | auto eno1 | |
220 | iface eno1 inet manual | |
221 | mtu 1550 | |
222 | ||
223 | auto vmbr0 | |
224 | iface vmbr0 inet static | |
225 | address 192.168.0.2 | |
226 | netmask 255.255.255.0 | |
227 | bridge_ports eno1 | |
228 | bridge_stp off | |
229 | bridge_fd 0 | |
230 | ||
231 | auto vxlan2 | |
232 | iface vxlan2 inet manual | |
233 | vxlan-id 2 | |
234 | vxlan_remoteip 192.168.0.1 | |
235 | vxlan_remoteip 192.168.0.3 | |
236 | ||
237 | ||
238 | ||
239 | auto vmbr2 | |
240 | iface vmbr2 inet manual | |
241 | bridge_ports vxlan2 | |
242 | bridge_stp off | |
243 | bridge_fd 0 | |
244 | ||
245 | auto vxlan3 | |
246 | iface vxlan2 inet manual | |
247 | vxlan-id 3 | |
248 | vxlan_remoteip 192.168.0.1 | |
249 | vxlan_remoteip 192.168.0.3 | |
250 | ||
251 | ||
252 | auto vmbr3 | |
253 | iface vmbr3 inet manual | |
254 | bridge_ports vxlan3 | |
255 | bridge_stp off | |
256 | bridge_fd 0 | |
257 | ---- | |
258 | ||
259 | ||
260 | * node3 | |
261 | ||
262 | ---- | |
263 | auto eno1 | |
264 | iface eno1 inet manual | |
265 | mtu 1550 | |
266 | ||
267 | auto vmbr0 | |
268 | iface vmbr0 inet static | |
269 | address 192.168.0.3 | |
270 | netmask 255.255.255.0 | |
271 | bridge_ports eno1 | |
272 | bridge_stp off | |
273 | bridge_fd 0 | |
274 | ||
275 | auto vxlan2 | |
276 | iface vxlan2 inet manual | |
277 | vxlan-id 2 | |
278 | vxlan_remoteip 192.168.0.2 | |
279 | vxlan_remoteip 192.168.0.3 | |
280 | ||
281 | ||
282 | ||
283 | auto vmbr2 | |
284 | iface vmbr2 inet manual | |
285 | bridge_ports vxlan2 | |
286 | bridge_stp off | |
287 | bridge_fd 0 | |
288 | ||
289 | auto vxlan3 | |
290 | iface vxlan2 inet manual | |
291 | vxlan-id 3 | |
292 | vxlan_remoteip 192.168.0.2 | |
293 | vxlan_remoteip 192.168.0.3 | |
294 | ||
295 | ||
296 | auto vmbr3 | |
297 | iface vmbr3 inet manual | |
298 | bridge_ports vxlan3 | |
299 | bridge_stp off | |
300 | bridge_fd 0 | |
301 | ---- | |
302 | ||
303 | ||
304 | bgp-evpn | |
305 | ^^^^^^^^ | |
306 | ||
307 | VTEPs use control plane learning/distribution via BGP for remote MAC addresses instead of data plane learning. | |
308 | VTEPs have the ability to suppress ARP flooding over VXLAN tunnels. | |
309 | ||
310 | The control plane used here is FRR, a bgp routing software. | |
311 | Each node in the proxmox cluster peer with each others nodes. | |
312 | For bigger networks, or multiple proxmox clusters, | |
313 | it's possible to use external bgp route reflector servers. | |
314 | ||
315 | * node1 | |
316 | ||
317 | ---- | |
318 | auto eno1 | |
319 | iface eno1 inet manual | |
320 | mtu 1550 | |
321 | ||
322 | auto vmbr0 | |
323 | iface vmbr0 inet static | |
324 | address 192.168.0.1 | |
325 | netmask 255.255.255.0 | |
326 | bridge_ports eno1 | |
327 | bridge_stp off | |
328 | bridge_fd 0 | |
329 | ||
330 | auto vxlan2 | |
331 | iface vxlan2 inet manual | |
332 | vxlan-id 2 | |
333 | vxlan-local-tunnelip 192.168.0.1 | |
334 | bridge-learning off | |
335 | bridge-arp-nd-suppress on | |
336 | bridge-unicast-flood off | |
337 | bridge-multicast-flood off | |
338 | ||
339 | ||
340 | auto vmbr2 | |
341 | iface vmbr2 inet manual | |
342 | bridge_ports vxlan2 | |
343 | bridge_stp off | |
344 | bridge_fd 0 | |
345 | ||
346 | ||
347 | auto vxlan3 | |
348 | iface vxlan3 inet manual | |
349 | vxlan-id 3 | |
350 | vxlan-local-tunnelip 192.168.0.1 | |
351 | bridge-learning off | |
352 | bridge-arp-nd-suppress on | |
353 | bridge-unicast-flood off | |
354 | bridge-multicast-flood off | |
355 | ||
356 | ||
357 | auto vmbr3 | |
358 | iface vmbr3 inet manual | |
359 | bridge_ports vxlan3 | |
360 | bridge_stp off | |
361 | bridge_fd 0 | |
362 | ---- | |
363 | ||
364 | ||
365 | /etc/frr/frr.conf | |
366 | ||
367 | ---- | |
368 | router bgp 1234 | |
369 | no bgp default ipv4-unicast | |
370 | coalesce-time 1000 | |
371 | neighbor 192.168.0.2 remote-as 1234 | |
372 | neighbor 192.168.0.3 remote-as 1234 | |
373 | ! | |
374 | address-family l2vpn evpn | |
375 | neighbor 192.168.0.2 activate | |
376 | neighbor 192.168.0.3 activate | |
377 | advertise-all-vni | |
378 | exit-address-family | |
379 | ! | |
380 | line vty | |
381 | ! | |
382 | ---- | |
383 | ||
384 | ||
385 | * node2 | |
386 | ||
387 | ---- | |
388 | auto eno1 | |
389 | iface eno1 inet manual | |
390 | mtu 1550 | |
391 | ||
392 | auto vmbr0 | |
393 | iface vmbr0 inet static | |
394 | address 192.168.0.2 | |
395 | netmask 255.255.255.0 | |
396 | bridge_ports eno1 | |
397 | bridge_stp off | |
398 | bridge_fd 0 | |
399 | ||
400 | auto vxlan2 | |
401 | iface vxlan2 inet manual | |
402 | vxlan-id 2 | |
403 | vxlan-local-tunnelip 192.168.0.2 | |
404 | bridge-learning off | |
405 | bridge-arp-nd-suppress on | |
406 | bridge-unicast-flood off | |
407 | bridge-multicast-flood off | |
408 | ||
409 | ||
410 | auto vmbr2 | |
411 | iface vmbr2 inet manual | |
412 | bridge_ports vxlan2 | |
413 | bridge_stp off | |
414 | bridge_fd 0 | |
415 | ||
416 | auto vxlan3 | |
417 | iface vxlan3 inet manual | |
418 | vxlan-id 3 | |
419 | vxlan-local-tunnelip 192.168.0.2 | |
420 | bridge-learning off | |
421 | bridge-arp-nd-suppress on | |
422 | bridge-unicast-flood off | |
423 | bridge-multicast-flood off | |
424 | ||
425 | ||
426 | auto vmbr3 | |
427 | iface vmbr3 inet manual | |
428 | bridge_ports vxlan3 | |
429 | bridge_stp off | |
430 | bridge_fd 0 | |
431 | ---- | |
432 | ||
433 | ||
434 | /etc/frr/frr.conf | |
435 | ||
436 | ---- | |
437 | router bgp 1234 | |
438 | no bgp default ipv4-unicast | |
439 | coalesce-time 1000 | |
440 | neighbor 192.168.0.1 remote-as 1234 | |
441 | neighbor 192.168.0.3 remote-as 1234 | |
442 | ! | |
443 | address-family l2vpn evpn | |
444 | neighbor 192.168.0.1 activate | |
445 | neighbor 192.168.0.3 activate | |
446 | advertise-all-vni | |
447 | exit-address-family | |
448 | ! | |
449 | line vty | |
450 | ! | |
451 | ---- | |
452 | ||
453 | ||
454 | * node3 | |
455 | ||
456 | ---- | |
457 | auto eno1 | |
458 | iface eno1 inet manual | |
459 | mtu 1550 | |
460 | ||
461 | auto vmbr0 | |
462 | iface vmbr0 inet static | |
463 | address 192.168.0.2 | |
464 | netmask 255.255.255.0 | |
465 | bridge_ports eno1 | |
466 | bridge_stp off | |
467 | bridge_fd 0 | |
468 | ||
469 | auto vxlan2 | |
470 | iface vxlan2 inet manual | |
471 | vxlan-id 2 | |
472 | vxlan-local-tunnelip 192.168.0.3 | |
473 | bridge-learning off | |
474 | bridge-arp-nd-suppress on | |
475 | bridge-unicast-flood off | |
476 | bridge-multicast-flood off | |
477 | ||
478 | ||
479 | auto vmbr2 | |
480 | iface vmbr2 inet manual | |
481 | bridge_ports vxlan2 | |
482 | bridge_stp off | |
483 | bridge_fd 0 | |
484 | ||
485 | auto vxlan3 | |
486 | iface vxlan3 inet manual | |
487 | vxlan-id 3 | |
488 | vxlan-local-tunnelip 192.168.0.3 | |
489 | bridge-learning off | |
490 | bridge-arp-nd-suppress on | |
491 | bridge-unicast-flood off | |
492 | bridge-multicast-flood off | |
493 | ||
494 | ||
495 | auto vmbr3 | |
496 | iface vmbr3 inet manual | |
497 | bridge_ports vxlan3 | |
498 | bridge_stp off | |
499 | bridge_fd 0 | |
500 | ---- | |
501 | ||
502 | ||
503 | /etc/frr/frr.conf | |
504 | ||
505 | ||
506 | ---- | |
507 | router bgp 1234 | |
508 | no bgp default ipv4-unicast | |
509 | coalesce-time 1000 | |
510 | neighbor 192.168.0.1 remote-as 1234 | |
511 | neighbor 192.168.0.2 remote-as 1234 | |
512 | ! | |
513 | address-family l2vpn evpn | |
514 | neighbor 192.168.0.1 activate | |
515 | neighbor 192.168.0.2 activate | |
516 | advertise-all-vni | |
517 | exit-address-family | |
518 | ! | |
519 | line vty | |
520 | ! | |
521 | ---- | |
522 | ||
523 | VXLAN layer3 routing with anycast gateway | |
524 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
525 | ||
526 | With this need, each vmbr bridge will be the gateway for the vm. | |
527 | Same vmbr on different node, will have same ip address and same mac address, | |
528 | to have working vm live migration and no network disruption. | |
529 | ||
530 | VXLAN layer3 routing only work with FRR and non-aware bridge. | |
531 | (vlan aware bridge support is buggy currently). | |
532 | ||
533 | asymmetric model | |
534 | ^^^^^^^^^^^^^^^^ | |
535 | ||
536 | This is the simplest mode. To get it work, all vxlan need to be defined on all nodes. | |
537 | ||
538 | The asymmetric model allows routing and bridging on the VXLAN tunnel ingress, | |
539 | but only bridging on the egress. | |
540 | This results in bi-directional VXLAN traffic traveling on different VNIs | |
541 | in each direction (always the destination VNI) across the routed infrastructure. | |
542 | ||
543 | image::images/vxlan-l3-asymmetric.svg["vxlan l3 asymmetric",align="center"] | |
544 | ||
545 | * node1 | |
546 | ||
547 | ---- | |
548 | auto eno1 | |
549 | iface eno1 inet manual | |
550 | mtu 1550 | |
551 | ||
552 | auto vmbr0 | |
553 | iface vmbr0 inet static | |
554 | address 192.168.0.1 | |
555 | netmask 255.255.255.0 | |
556 | bridge_ports eno1 | |
557 | bridge_stp off | |
558 | bridge_fd 0 | |
559 | ||
560 | auto vxlan2 | |
561 | iface vxlan2 inet manual | |
562 | vxlan-id 2 | |
563 | vxlan-local-tunnelip 192.168.0.1 | |
564 | bridge-learning off | |
565 | bridge-arp-nd-suppress on | |
566 | bridge-unicast-flood off | |
567 | bridge-multicast-flood off | |
568 | ||
569 | ||
570 | auto vmbr2 | |
571 | iface vmbr2 inet static | |
572 | address 10.0.2.254 | |
573 | netmask 255.255.255.0 | |
574 | hwaddress 44:39:39:FF:40:94 | |
575 | bridge_ports vxlan2 | |
576 | bridge_stp off | |
577 | bridge_fd 0 | |
578 | ip-forward on | |
579 | ip6-forward on | |
580 | arp-accept on | |
581 | ||
582 | auto vxlan3 | |
583 | iface vxlan3 inet manual | |
584 | vxlan-id 3 | |
585 | vxlan-local-tunnelip 192.168.0.1 | |
586 | bridge-learning off | |
587 | bridge-arp-nd-suppress on | |
588 | bridge-unicast-flood off | |
589 | bridge-multicast-flood off | |
590 | ||
591 | ||
592 | auto vmbr3 | |
593 | iface vmbr3 inet static | |
594 | address 10.0.3.254 | |
595 | netmask 255.255.255.0 | |
596 | hwaddress 44:39:39:FF:40:94 | |
597 | bridge_ports vxlan3 | |
598 | bridge_stp off | |
599 | bridge_fd 0 | |
600 | ip-forward on | |
601 | ip6-forward on | |
602 | arp-accept on | |
603 | ---- | |
604 | ||
605 | ||
606 | frr.conf | |
607 | ||
608 | ---- | |
609 | router bgp 1234 | |
610 | bgp router-id 192.168.0.1 | |
611 | no bgp default ipv4-unicast | |
612 | coalesce-time 1000 | |
613 | neighbor 192.168.0.2 remote-as 1234 | |
614 | neighbor 192.168.0.3 remote-as 1234 | |
615 | ! | |
616 | address-family l2vpn evpn | |
617 | neighbor 192.168.0.2 activate | |
618 | neighbor 192.168.0.3 activate | |
619 | advertise-all-vni | |
620 | exit-address-family | |
621 | ! | |
622 | line vty | |
623 | ! | |
624 | ---- | |
625 | ||
626 | ||
627 | * node2 | |
628 | ||
629 | ---- | |
630 | auto eno1 | |
631 | iface eno1 inet manual | |
632 | mtu 1550 | |
633 | ||
634 | auto vmbr0 | |
635 | iface vmbr0 inet static | |
636 | address 192.168.0.2 | |
637 | netmask 255.255.255.0 | |
638 | bridge_ports eno1 | |
639 | bridge_stp off | |
640 | bridge_fd 0 | |
641 | ||
642 | auto vxlan2 | |
643 | iface vxlan2 inet manual | |
644 | vxlan-id 2 | |
645 | vxlan-local-tunnelip 192.168.0.2 | |
646 | bridge-learning off | |
647 | bridge-arp-nd-suppress on | |
648 | bridge-unicast-flood off | |
649 | bridge-multicast-flood off | |
650 | ||
651 | ||
652 | auto vmbr2 | |
653 | iface vmbr2 inet static | |
654 | address 10.0.2.254 | |
655 | netmask 255.255.255.0 | |
656 | hwaddress 44:39:39:FF:40:94 | |
657 | bridge_ports vxlan2 | |
658 | bridge_stp off | |
659 | bridge_fd 0 | |
660 | ip-forward on | |
661 | ip6-forward on | |
662 | arp-accept on | |
663 | ||
664 | ||
665 | auto vxlan3 | |
666 | iface vxlan3 inet manual | |
667 | vxlan-id 3 | |
668 | vxlan-local-tunnelip 192.168.0.2 | |
669 | bridge-learning off | |
670 | bridge-arp-nd-suppress on | |
671 | bridge-unicast-flood off | |
672 | bridge-multicast-flood off | |
673 | ||
674 | ||
675 | auto vmbr3 | |
676 | iface vmbr3 inet static | |
677 | address 10.0.3.254 | |
678 | netmask 255.255.255.0 | |
679 | hwaddress 44:39:39:FF:40:94 | |
680 | bridge_ports vxlan3 | |
681 | bridge_stp off | |
682 | bridge_fd 0 | |
683 | ip-forward on | |
684 | ip6-forward on | |
685 | arp-accept on | |
686 | ---- | |
687 | ||
688 | ||
689 | frr.conf | |
690 | ||
691 | ---- | |
692 | router bgp 1234 | |
693 | bgp router-id 192.168.0.2 | |
694 | no bgp default ipv4-unicast | |
695 | coalesce-time 1000 | |
696 | neighbor 192.168.0.1 remote-as 1234 | |
697 | neighbor 192.168.0.3 remote-as 1234 | |
698 | ! | |
699 | address-family l2vpn evpn | |
700 | neighbor 192.168.0.1 activate | |
701 | neighbor 192.168.0.3 activate | |
702 | advertise-all-vni | |
703 | exit-address-family | |
704 | ! | |
705 | line vty | |
706 | ! | |
707 | ---- | |
708 | ||
709 | ||
710 | * node3 | |
711 | ||
712 | ---- | |
713 | auto eno1 | |
714 | iface eno1 inet manual | |
715 | mtu 1550 | |
716 | ||
717 | auto vmbr0 | |
718 | iface vmbr0 inet static | |
719 | address 192.168.0.3 | |
720 | netmask 255.255.255.0 | |
721 | bridge_ports eno1 | |
722 | bridge_stp off | |
723 | bridge_fd 0 | |
724 | ||
725 | auto vxlan2 | |
726 | iface vxlan2 inet manual | |
727 | vxlan-id 2 | |
728 | vxlan-local-tunnelip 192.168.0.3 | |
729 | bridge-learning off | |
730 | bridge-arp-nd-suppress on | |
731 | bridge-unicast-flood off | |
732 | bridge-multicast-flood off | |
733 | ||
734 | ||
735 | auto vmbr2 | |
736 | iface vmbr2 inet static | |
737 | address 10.0.2.254 | |
738 | netmask 255.255.255.0 | |
739 | hwaddress 44:39:39:FF:40:94 | |
740 | bridge_ports vxlan2 | |
741 | bridge_stp off | |
742 | bridge_fd 0 | |
743 | ip-forward on | |
744 | ip6-forward on | |
745 | arp-accept on | |
746 | ||
747 | auto vxlan3 | |
748 | iface vxlan3 inet manual | |
749 | vxlan-id 3 | |
750 | vxlan-local-tunnelip 192.168.0.3 | |
751 | bridge-learning off | |
752 | bridge-arp-nd-suppress on | |
753 | bridge-unicast-flood off | |
754 | bridge-multicast-flood off | |
755 | ||
756 | auto vmbr3 | |
757 | iface vmbr3 inet static | |
758 | address 10.0.3.254 | |
759 | netmask 255.255.255.0 | |
760 | hwaddress 44:39:39:FF:40:94 | |
761 | bridge_ports vxlan3 | |
762 | bridge_stp off | |
763 | bridge_fd 0 | |
764 | ip-forward on | |
765 | ip6-forward on | |
766 | arp-accept on | |
767 | ---- | |
768 | ||
769 | ||
770 | frr.conf | |
771 | ||
772 | ---- | |
773 | router bgp 1234 | |
774 | bgp router-id 192.168.0.3 | |
775 | no bgp default ipv4-unicast | |
776 | coalesce-time 1000 | |
777 | neighbor 192.168.0.1 remote-as 1234 | |
778 | neighbor 192.168.0.2 remote-as 1234 | |
779 | ! | |
780 | address-family l2vpn evpn | |
781 | neighbor 192.168.0.1 activate | |
782 | neighbor 192.168.0.2 activate | |
783 | advertise-all-vni | |
784 | exit-address-family | |
785 | ! | |
786 | line vty | |
787 | ! | |
788 | ---- | |
789 | ||
790 | ||
791 | symmetric model | |
792 | ^^^^^^^^^^^^^^^ | |
793 | ||
794 | With this model, you don't need to have all vxlan on all nodes. | |
795 | This model will also be needed to route traffic to an external router. | |
796 | ||
797 | The symmetric model routes and bridges on both the ingress and the egress leafs. | |
798 | This results in bi-directional traffic being able to travel on the same VNI, hence the symmetric name. | |
799 | However, a new specialty transit VNI is used for all routed VXLAN traffic, called the L3VNI. | |
800 | All traffic that needs to be routed will be routed onto the L3VNI, tunneled across the layer 3 Infrastructure, | |
801 | routed off the L3VNI to the appropriate VLAN and ultimately bridged to the destination. | |
802 | ||
803 | A vrf is needed for the L3VNI, so all vmbr bridge need to be in the vrf if they want to be able to reach each others. | |
804 | ||
805 | image::images/vxlan-l3-symmetric.svg["vxlan l3 symmetric",align="center"] | |
806 | ||
807 | * node1 | |
808 | ||
809 | ---- | |
810 | auto vrf1 | |
811 | iface vrf1 | |
812 | vrf-table auto | |
813 | ||
814 | auto eno1 | |
815 | iface eno1 inet manual | |
816 | mtu 1550 | |
817 | ||
818 | auto vmbr0 | |
819 | iface vmbr0 inet static | |
820 | address 192.168.0.1 | |
821 | netmask 255.255.255.0 | |
822 | bridge_ports eno1 | |
823 | bridge_stp off | |
824 | bridge_fd 0 | |
825 | ||
826 | auto vxlan2 | |
827 | iface vxlan2 inet manual | |
828 | vxlan-id 2 | |
829 | vxlan-local-tunnelip 192.168.0.1 | |
830 | bridge-learning off | |
831 | bridge-arp-nd-suppress on | |
832 | bridge-unicast-flood off | |
833 | bridge-multicast-flood off | |
834 | ||
835 | auto vmbr2 | |
836 | iface vmbr2 inet static | |
837 | bridge_ports vxlan2 | |
838 | bridge_stp off | |
839 | bridge_fd 0 | |
840 | address 10.0.2.254 | |
841 | netmask 255.255.255.0 | |
842 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr2 | |
843 | vrf vrf1 | |
844 | ip-forward on | |
845 | ip6-forward on | |
846 | arp-accept on | |
847 | ||
848 | auto vxlan3 | |
849 | iface vxlan3 inet manual | |
850 | vxlan-id 3 | |
851 | vxlan-local-tunnelip 192.168.0.1 | |
852 | bridge-learning off | |
853 | bridge-arp-nd-suppress on | |
854 | bridge-unicast-flood off | |
855 | bridge-multicast-flood off | |
856 | ||
857 | auto vmbr3 | |
858 | iface vmbr3 inet static | |
859 | bridge_ports vxlan3 | |
860 | bridge_stp off | |
861 | bridge_fd 0 | |
862 | address 10.0.3.254 | |
863 | netmask 255.255.255.0 | |
864 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr3 | |
865 | vrf vrf1 | |
866 | ip-forward on | |
867 | ip6-forward on | |
868 | arp-accept on | |
869 | ||
870 | #interconnect vxlan-vfr l3vni | |
871 | auto vxlan4000 | |
872 | iface vxlan4000 inet manual | |
873 | vxlan-id 4000 | |
874 | vxlan-local-tunnelip 192.168.0.1 | |
875 | bridge-learning off | |
876 | bridge-arp-nd-suppress on | |
877 | bridge-unicast-flood off | |
878 | bridge-multicast-flood off | |
879 | ||
880 | ||
881 | auto vmbr4000 | |
882 | iface vmbr4000 inet manual | |
883 | bridge_ports vxlan4000 | |
884 | bridge_stp off | |
885 | bridge_fd 0 | |
886 | vrf vrf1 | |
887 | ---- | |
888 | ||
889 | frr.conf | |
890 | ||
891 | ---- | |
892 | vrf vrf1 | |
893 | vni 4000 | |
894 | exit-vrf | |
895 | ! | |
896 | router bgp 1234 | |
897 | bgp router-id 192.168.0.1 | |
898 | no bgp default ipv4-unicast | |
899 | coalesce-time 1000 | |
900 | neighbor 192.168.0.2 remote-as 1234 | |
901 | neighbor 192.168.0.3 remote-as 1234 | |
902 | ! | |
903 | address-family l2vpn evpn | |
904 | neighbor 192.168.0.2 activate | |
905 | neighbor 192.168.0.3 activate | |
906 | advertise-all-vni | |
907 | exit-address-family | |
908 | ! | |
909 | line vty | |
910 | ! | |
911 | ---- | |
912 | ||
913 | ||
914 | * node2 | |
915 | ||
916 | ---- | |
917 | auto vrf1 | |
918 | iface vrf1 | |
919 | vrf-table auto | |
920 | ||
921 | auto eno1 | |
922 | iface eno1 inet manual | |
923 | mtu 1550 | |
924 | ||
925 | auto vmbr0 | |
926 | iface vmbr0 inet static | |
927 | address 192.168.0.2 | |
928 | netmask 255.255.255.0 | |
929 | bridge_ports eno1 | |
930 | bridge_stp off | |
931 | bridge_fd 0 | |
932 | ||
933 | auto vxlan2 | |
934 | iface vxlan2 inet manual | |
935 | vxlan-id 2 | |
936 | vxlan-local-tunnelip 192.168.0.2 | |
937 | bridge-learning off | |
938 | bridge-arp-nd-suppress on | |
939 | bridge-unicast-flood off | |
940 | bridge-multicast-flood off | |
941 | ||
942 | auto vmbr2 | |
943 | iface vmbr2 inet static | |
944 | bridge_ports vxlan2 | |
945 | bridge_stp off | |
946 | bridge_fd 0 | |
947 | address 10.0.2.254 | |
948 | netmask 255.255.255.0 | |
949 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr2 | |
950 | vrf vrf1 | |
951 | ip-forward on | |
952 | ip6-forward on | |
953 | arp-accept on | |
954 | ||
955 | auto vxlan3 | |
956 | iface vxlan3 inet manual | |
957 | vxlan-id 3 | |
958 | vxlan-local-tunnelip 192.168.0.2 | |
959 | bridge-learning off | |
960 | bridge-arp-nd-suppress on | |
961 | bridge-unicast-flood off | |
962 | bridge-multicast-flood off | |
963 | ||
964 | auto vmbr3 | |
965 | iface vmbr3 inet static | |
966 | bridge_ports vxlan3 | |
967 | bridge_stp off | |
968 | bridge_fd 0 | |
969 | address 10.0.3.254 | |
970 | netmask 255.255.255.0 | |
971 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr3 | |
972 | vrf vrf1 | |
973 | ip-forward on | |
974 | ip6-forward on | |
975 | arp-accept on | |
976 | ||
977 | #interconnect vxlan-vfr l3vni | |
978 | auto vxlan4000 | |
979 | iface vxlan4000 inet manual | |
980 | vxlan-id 4000 | |
981 | vxlan-local-tunnelip 192.168.0.2 | |
982 | bridge-learning off | |
983 | bridge-arp-nd-suppress on | |
984 | bridge-unicast-flood off | |
985 | bridge-multicast-flood off | |
986 | ||
987 | ||
988 | auto vmbr4000 | |
989 | iface vmbr4000 inet manual | |
990 | bridge_ports vxlan4000 | |
991 | bridge_stp off | |
992 | bridge_fd 0 | |
993 | vrf vrf1 | |
994 | ---- | |
995 | ||
996 | ||
997 | frr.conf | |
998 | ||
999 | ---- | |
1000 | vrf vrf1 | |
1001 | vni 4000 | |
1002 | exit-vrf | |
1003 | ! | |
1004 | router bgp 1234 | |
1005 | bgp router-id 192.168.0.2 | |
1006 | no bgp default ipv4-unicast | |
1007 | coalesce-time 1000 | |
1008 | neighbor 192.168.0.1 remote-as 1234 | |
1009 | neighbor 192.168.0.3 remote-as 1234 | |
1010 | ! | |
1011 | address-family l2vpn evpn | |
1012 | neighbor 192.168.0.1 activate | |
1013 | neighbor 192.168.0.3 activate | |
1014 | advertise-all-vni | |
1015 | exit-address-family | |
1016 | ! | |
1017 | line vty | |
1018 | ! | |
1019 | ---- | |
1020 | ||
1021 | ||
1022 | * node3 | |
1023 | ||
1024 | ---- | |
1025 | auto vrf1 | |
1026 | iface vrf1 | |
1027 | vrf-table auto | |
1028 | ||
1029 | auto eno1 | |
1030 | iface eno1 inet manual | |
1031 | mtu 1550 | |
1032 | ||
1033 | auto vmbr0 | |
1034 | iface vmbr0 inet static | |
1035 | address 192.168.0.3 | |
1036 | netmask 255.255.255.0 | |
1037 | bridge_ports eno1 | |
1038 | bridge_stp off | |
1039 | bridge_fd 0 | |
1040 | ||
1041 | auto vxlan2 | |
1042 | iface vxlan2 inet manual | |
1043 | vxlan-id 2 | |
1044 | vxlan-local-tunnelip 192.168.0.3 | |
1045 | bridge-learning off | |
1046 | bridge-arp-nd-suppress on | |
1047 | bridge-unicast-flood off | |
1048 | bridge-multicast-flood off | |
1049 | ||
1050 | auto vmbr2 | |
1051 | iface vmbr2 inet static | |
1052 | bridge_ports vxlan2 | |
1053 | bridge_stp off | |
1054 | bridge_fd 0 | |
1055 | address 10.0.2.254 | |
1056 | netmask 255.255.255.0 | |
1057 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr2 | |
1058 | vrf vrf1 | |
1059 | ip-forward on | |
1060 | ip6-forward on | |
1061 | arp-accept on | |
1062 | ||
1063 | auto vxlan3 | |
1064 | iface vxlan3 inet manual | |
1065 | vxlan-id 3 | |
1066 | vxlan-local-tunnelip 192.168.0.3 | |
1067 | bridge-learning off | |
1068 | bridge-arp-nd-suppress on | |
1069 | bridge-unicast-flood off | |
1070 | bridge-multicast-flood off | |
1071 | ||
1072 | auto vmbr3 | |
1073 | iface vmbr3 inet static | |
1074 | bridge_ports vxlan3 | |
1075 | bridge_stp off | |
1076 | bridge_fd 0 | |
1077 | address 10.0.3.254 | |
1078 | netmask 255.255.255.0 | |
1079 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr3 | |
1080 | vrf vrf1 | |
1081 | ip-forward on | |
1082 | ip6-forward on | |
1083 | arp-accept on | |
1084 | ||
1085 | #interconnect vxlan-vfr l3vni | |
1086 | auto vxlan4000 | |
1087 | iface vxlan4000 inet manual | |
1088 | vxlan-id 4000 | |
1089 | vxlan-local-tunnelip 192.168.0.3 | |
1090 | bridge-learning off | |
1091 | bridge-arp-nd-suppress on | |
1092 | bridge-unicast-flood off | |
1093 | bridge-multicast-flood off | |
1094 | ||
1095 | ||
1096 | auto vmbr4000 | |
1097 | iface vmbr4000 inet manual | |
1098 | bridge_ports vxlan4000 | |
1099 | bridge_stp off | |
1100 | bridge_fd 0 | |
1101 | vrf vrf1 | |
1102 | ---- | |
1103 | ||
1104 | ||
1105 | frr.conf | |
1106 | ||
1107 | ---- | |
1108 | vrf vrf1 | |
1109 | vni 4000 | |
1110 | exit-vrf | |
1111 | ! | |
1112 | router bgp 1234 | |
1113 | bgp router-id 192.168.0.3 | |
1114 | no bgp default ipv4-unicast | |
1115 | coalesce-time 1000 | |
1116 | neighbor 192.168.0.1 remote-as 1234 | |
1117 | neighbor 192.168.0.2 remote-as 1234 | |
1118 | ! | |
1119 | address-family l2vpn evpn | |
1120 | neighbor 192.168.0.1 activate | |
1121 | neighbor 192.168.0.2 activate | |
1122 | advertise-all-vni | |
1123 | exit-address-family | |
1124 | ! | |
1125 | line vty | |
1126 | ! | |
1127 | ---- | |
1128 | ||
1129 | VXLAN layer3 routing with anycast gateway + routing to outside with external router | |
1130 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
1131 | Routing to outside need the symmetric model. | |
1132 | ||
1133 | 1 gateway node | |
1134 | ^^^^^^^^^^^^^^ | |
1135 | In this example, we'll use only 1 proxmox node as exit gateway. (node1) | |
1136 | This node announce the default gw in vrf1 (default originate) and forward to his own default gateway (192.168.0.254) (no bgp between router and node1) | |
1137 | ||
1138 | ||
1139 | *node1 | |
1140 | ||
1141 | ---- | |
1142 | auto vrf1 | |
1143 | iface vrf1 | |
1144 | vrf-table auto | |
1145 | ||
1146 | auto eno1 | |
1147 | iface eno1 inet manual | |
1148 | mtu 1550 | |
1149 | ||
1150 | auto vmbr0 | |
1151 | iface vmbr0 inet static | |
1152 | address 192.168.0.1 | |
1153 | netmask 255.255.255.0 | |
1154 | gateway 192.168.0.254 | |
1155 | bridge_ports eno1 | |
1156 | bridge_stp off | |
1157 | bridge_fd 0 | |
1158 | ip-forward on | |
1159 | ip6-forward on | |
1160 | ||
1161 | auto vxlan2 | |
1162 | iface vxlan2 inet manual | |
1163 | vxlan-id 2 | |
1164 | vxlan-local-tunnelip 192.168.0.1 | |
1165 | bridge-learning off | |
1166 | bridge-arp-nd-suppress on | |
1167 | bridge-unicast-flood off | |
1168 | bridge-multicast-flood off | |
1169 | ||
1170 | auto vmbr2 | |
1171 | iface vmbr2 inet static | |
1172 | bridge_ports vxlan2 | |
1173 | bridge_stp off | |
1174 | bridge_fd 0 | |
1175 | address 10.0.2.254 | |
1176 | netmask 255.255.255.0 | |
1177 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr2 | |
1178 | vrf vrf1 | |
1179 | ip-forward on | |
1180 | ip6-forward on | |
1181 | arp-accept on | |
1182 | ||
1183 | auto vxlan3 | |
1184 | iface vxlan3 inet manual | |
1185 | vxlan-id 3 | |
1186 | vxlan-local-tunnelip 192.168.0.1 | |
1187 | bridge-learning off | |
1188 | bridge-arp-nd-suppress on | |
1189 | bridge-unicast-flood off | |
1190 | bridge-multicast-flood off | |
1191 | ||
1192 | auto vmbr3 | |
1193 | iface vmbr3 inet static | |
1194 | bridge_ports vxlan3 | |
1195 | bridge_stp off | |
1196 | bridge_fd 0 | |
1197 | address 10.0.3.254 | |
1198 | netmask 255.255.255.0 | |
1199 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr3 | |
1200 | vrf vrf1 | |
1201 | ip-forward on | |
1202 | ip6-forward on | |
1203 | arp-accept on | |
1204 | ||
1205 | #interconnect vxlan-vfr l3vni | |
1206 | auto vxlan4000 | |
1207 | iface vxlan4000 inet manual | |
1208 | vxlan-id 4000 | |
1209 | vxlan-local-tunnelip 192.168.0.1 | |
1210 | bridge-learning off | |
1211 | bridge-arp-nd-suppress on | |
1212 | bridge-unicast-flood off | |
1213 | bridge-multicast-flood off | |
1214 | ||
1215 | auto vmbr4000 | |
1216 | iface vmbr4000 inet manual | |
1217 | bridge_ports vxlan4000 | |
1218 | bridge_stp off | |
1219 | bridge_fd 0 | |
1220 | vrf vrf1 | |
1221 | ---- | |
1222 | ||
1223 | ||
1224 | frr.conf | |
1225 | ||
1226 | ---- | |
1227 | ip prefix-list deny seq 10 deny any | |
1228 | ! | |
1229 | vrf vrf1 | |
1230 | vni 4000 | |
1231 | exit-vrf | |
1232 | ! | |
1233 | router bgp 1234 | |
1234 | bgp router-id 192.168.0.1 | |
1235 | no bgp default ipv4-unicast | |
1236 | coalesce-time 1000 | |
1237 | neighbor 192.168.0.2 remote-as 1234 | |
1238 | neighbor 192.168.0.3 remote-as 1234 | |
1239 | ! | |
1240 | address-family ipv4 unicast | |
1241 | import vrf vrf1 | |
1242 | neighbor 192.168.0.2 prefix-list deny out | |
1243 | neighbor 192.168.0.3 prefix-list deny out | |
1244 | exit-address-family | |
1245 | ! | |
1246 | address-family l2vpn evpn | |
1247 | neighbor 192.168.0.2 activate | |
1248 | neighbor 192.168.0.3 activate | |
1249 | advertise-all-vni | |
1250 | exit-address-family | |
1251 | ! | |
1252 | router bgp 1234 vrf vrf1 | |
1253 | ! | |
1254 | address-family ipv4 unicast | |
1255 | redistribute connected | |
1256 | exit-address-family | |
1257 | ! | |
1258 | address-family l2vpn evpn | |
1259 | default-originate ipv4 | |
1260 | exit-address-family | |
1261 | ! | |
1262 | line vty | |
1263 | ! | |
1264 | ---- | |
1265 | ||
1266 | ||
1267 | * node2 | |
1268 | ||
1269 | ---- | |
1270 | auto vrf1 | |
1271 | iface vrf1 | |
1272 | vrf-table auto | |
1273 | ||
1274 | auto eno1 | |
1275 | iface eno1 inet manual | |
1276 | mtu 1550 | |
1277 | ||
1278 | auto vmbr0 | |
1279 | iface vmbr0 inet static | |
1280 | address 192.168.0.2 | |
1281 | netmask 255.255.255.0 | |
1282 | bridge_ports eno1 | |
1283 | bridge_stp off | |
1284 | bridge_fd 0 | |
1285 | ||
1286 | auto vxlan2 | |
1287 | iface vxlan2 inet manual | |
1288 | vxlan-id 2 | |
1289 | vxlan-local-tunnelip 192.168.0.2 | |
1290 | bridge-learning off | |
1291 | bridge-arp-nd-suppress on | |
1292 | bridge-unicast-flood off | |
1293 | bridge-multicast-flood off | |
1294 | ||
1295 | auto vmbr2 | |
1296 | iface vmbr2 inet static | |
1297 | bridge_ports vxlan2 | |
1298 | bridge_stp off | |
1299 | bridge_fd 0 | |
1300 | address 10.0.2.254 | |
1301 | netmask 255.255.255.0 | |
1302 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr2 | |
1303 | vrf vrf1 | |
1304 | ip-forward on | |
1305 | ip6-forward on | |
1306 | arp-accept on | |
1307 | ||
1308 | auto vxlan3 | |
1309 | iface vxlan3 inet manual | |
1310 | vxlan-id 3 | |
1311 | vxlan-local-tunnelip 192.168.0.2 | |
1312 | bridge-learning off | |
1313 | bridge-arp-nd-suppress on | |
1314 | bridge-unicast-flood off | |
1315 | bridge-multicast-flood off | |
1316 | ||
1317 | auto vmbr3 | |
1318 | iface vmbr3 inet static | |
1319 | bridge_ports vxlan3 | |
1320 | bridge_stp off | |
1321 | bridge_fd 0 | |
1322 | address 10.0.3.254 | |
1323 | netmask 255.255.255.0 | |
1324 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr3 | |
1325 | vrf vrf1 | |
1326 | ip-forward on | |
1327 | ip6-forward on | |
1328 | arp-accept on | |
1329 | ||
1330 | #interconnect vxlan-vfr l3vni | |
1331 | auto vxlan4000 | |
1332 | iface vxlan4000 inet manual | |
1333 | vxlan-id 4000 | |
1334 | vxlan-local-tunnelip 192.168.0.2 | |
1335 | bridge-learning off | |
1336 | bridge-arp-nd-suppress on | |
1337 | bridge-unicast-flood off | |
1338 | bridge-multicast-flood off | |
1339 | ||
1340 | ||
1341 | auto vmbr4000 | |
1342 | iface vmbr4000 inet manual | |
1343 | bridge_ports vxlan4000 | |
1344 | bridge_stp off | |
1345 | bridge_fd 0 | |
1346 | vrf vrf1 | |
1347 | ---- | |
1348 | ||
1349 | ||
1350 | frr.conf | |
1351 | ||
1352 | ---- | |
1353 | vrf vrf1 | |
1354 | vni 4000 | |
1355 | exit-vrf | |
1356 | ! | |
1357 | router bgp 1234 | |
1358 | bgp router-id 192.168.0.2 | |
1359 | no bgp default ipv4-unicast | |
1360 | coalesce-time 1000 | |
1361 | neighbor 192.168.0.1 remote-as 1234 | |
1362 | neighbor 192.168.0.3 remote-as 1234 | |
1363 | ! | |
1364 | address-family l2vpn evpn | |
1365 | neighbor 192.168.0.1 activate | |
1366 | neighbor 192.168.0.3 activate | |
1367 | advertise-all-vni | |
1368 | exit-address-family | |
1369 | ! | |
1370 | line vty | |
1371 | ! | |
1372 | ---- | |
1373 | ||
1374 | ||
1375 | * node3 | |
1376 | ||
1377 | ---- | |
1378 | auto vrf1 | |
1379 | iface vrf1 | |
1380 | vrf-table auto | |
1381 | ||
1382 | auto eno1 | |
1383 | iface eno1 inet manual | |
1384 | mtu 1550 | |
1385 | ||
1386 | auto vmbr0 | |
1387 | iface vmbr0 inet static | |
1388 | address 192.168.0.3 | |
1389 | netmask 255.255.255.0 | |
1390 | bridge_ports eno1 | |
1391 | bridge_stp off | |
1392 | bridge_fd 0 | |
1393 | ||
1394 | auto vxlan2 | |
1395 | iface vxlan2 inet manual | |
1396 | vxlan-id 2 | |
1397 | vxlan-local-tunnelip 192.168.0.3 | |
1398 | bridge-learning off | |
1399 | bridge-arp-nd-suppress on | |
1400 | bridge-unicast-flood off | |
1401 | bridge-multicast-flood off | |
1402 | ||
1403 | auto vmbr2 | |
1404 | iface vmbr2 inet static | |
1405 | bridge_ports vxlan2 | |
1406 | bridge_stp off | |
1407 | bridge_fd 0 | |
1408 | address 10.0.2.254 | |
1409 | netmask 255.255.255.0 | |
1410 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr2 | |
1411 | vrf vrf1 | |
1412 | ip-forward on | |
1413 | ip6-forward on | |
1414 | arp-accept on | |
1415 | ||
1416 | auto vxlan3 | |
1417 | iface vxlan3 inet manual | |
1418 | vxlan-id 3 | |
1419 | vxlan-local-tunnelip 192.168.0.3 | |
1420 | bridge-learning off | |
1421 | bridge-arp-nd-suppress on | |
1422 | bridge-unicast-flood off | |
1423 | bridge-multicast-flood off | |
1424 | ||
1425 | auto vmbr3 | |
1426 | iface vmbr3 inet static | |
1427 | bridge_ports vxlan3 | |
1428 | bridge_stp off | |
1429 | bridge_fd 0 | |
1430 | address 10.0.3.254 | |
1431 | netmask 255.255.255.0 | |
1432 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr3 | |
1433 | vrf vrf1 | |
1434 | ip-forward on | |
1435 | ip6-forward on | |
1436 | arp-accept on | |
1437 | ||
1438 | #interconnect vxlan-vfr l3vni | |
1439 | auto vxlan4000 | |
1440 | iface vxlan4000 inet manual | |
1441 | vxlan-id 4000 | |
1442 | vxlan-local-tunnelip 192.168.0.3 | |
1443 | bridge-learning off | |
1444 | bridge-arp-nd-suppress on | |
1445 | bridge-unicast-flood off | |
1446 | bridge-multicast-flood off | |
1447 | ||
1448 | ||
1449 | auto vmbr4000 | |
1450 | iface vmbr4000 inet manual | |
1451 | bridge_ports vxlan4000 | |
1452 | bridge_stp off | |
1453 | bridge_fd 0 | |
1454 | vrf vrf1 | |
1455 | ---- | |
1456 | ||
1457 | ||
1458 | frr.conf | |
1459 | ||
1460 | ---- | |
1461 | vrf vrf1 | |
1462 | vni 4000 | |
1463 | exit-vrf | |
1464 | ! | |
1465 | router bgp 1234 | |
1466 | bgp router-id 192.168.0.3 | |
1467 | no bgp default ipv4-unicast | |
1468 | coalesce-time 1000 | |
1469 | neighbor 192.168.0.1 remote-as 1234 | |
1470 | neighbor 192.168.0.2 remote-as 1234 | |
1471 | ! | |
1472 | address-family l2vpn evpn | |
1473 | neighbor 192.168.0.1 activate | |
1474 | neighbor 192.168.0.2 activate | |
1475 | advertise-all-vni | |
1476 | exit-address-family | |
1477 | ! | |
1478 | line vty | |
1479 | ! | |
1480 | ---- | |
1481 | ||
1482 | multiple gateway nodes | |
1483 | ^^^^^^^^^^^^^^^^^^^^^^ | |
1484 | In this example, all nodes will be used as exit gateway. (But you can use only 2 nodes if you want) | |
1485 | All nodes have a a default gw to the external router (192.168.0.254) (no bgp between router and node1) | |
1486 | and announce this default gw in the vrf (default originate) | |
1487 | The external router have ecmp routes to all proxmox nodes.(balancing). | |
1488 | If the router send the packet to a wrong node (vm is not on this node), this node will route through | |
1489 | vxlan the packet to final destination. | |
1490 | ||
1491 | *node1 | |
1492 | ||
1493 | ---- | |
1494 | auto vrf1 | |
1495 | iface vrf1 | |
1496 | vrf-table auto | |
1497 | ||
1498 | auto eno1 | |
1499 | iface eno1 inet manual | |
1500 | mtu 1550 | |
1501 | ||
1502 | auto vmbr0 | |
1503 | iface vmbr0 inet static | |
1504 | address 192.168.0.1 | |
1505 | netmask 255.255.255.0 | |
1506 | gateway 192.168.0.254 | |
1507 | bridge_ports eno1 | |
1508 | bridge_stp off | |
1509 | bridge_fd 0 | |
1510 | ip-forward on | |
1511 | ip6-forward on | |
1512 | ||
1513 | auto vxlan2 | |
1514 | iface vxlan2 inet manual | |
1515 | vxlan-id 2 | |
1516 | vxlan-local-tunnelip 192.168.0.1 | |
1517 | bridge-learning off | |
1518 | bridge-arp-nd-suppress on | |
1519 | bridge-unicast-flood off | |
1520 | bridge-multicast-flood off | |
1521 | ||
1522 | auto vmbr2 | |
1523 | iface vmbr2 inet static | |
1524 | bridge_ports vxlan2 | |
1525 | bridge_stp off | |
1526 | bridge_fd 0 | |
1527 | address 10.0.2.254 | |
1528 | netmask 255.255.255.0 | |
1529 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr2 | |
1530 | vrf vrf1 | |
1531 | ip-forward on | |
1532 | ip6-forward on | |
1533 | arp-accept on | |
1534 | ||
1535 | auto vxlan3 | |
1536 | iface vxlan3 inet manual | |
1537 | vxlan-id 3 | |
1538 | vxlan-local-tunnelip 192.168.0.1 | |
1539 | bridge-learning off | |
1540 | bridge-arp-nd-suppress on | |
1541 | bridge-unicast-flood off | |
1542 | bridge-multicast-flood off | |
1543 | ||
1544 | auto vmbr3 | |
1545 | iface vmbr3 inet static | |
1546 | bridge_ports vxlan3 | |
1547 | bridge_stp off | |
1548 | bridge_fd 0 | |
1549 | address 10.0.3.254 | |
1550 | netmask 255.255.255.0 | |
1551 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr3 | |
1552 | vrf vrf1 | |
1553 | ip-forward on | |
1554 | ip6-forward on | |
1555 | arp-accept on | |
1556 | ||
1557 | #interconnect vxlan-vfr l3vni | |
1558 | auto vxlan4000 | |
1559 | iface vxlan4000 inet manual | |
1560 | vxlan-id 4000 | |
1561 | vxlan-local-tunnelip 192.168.0.1 | |
1562 | bridge-learning off | |
1563 | bridge-arp-nd-suppress on | |
1564 | bridge-unicast-flood off | |
1565 | bridge-multicast-flood off | |
1566 | ||
1567 | auto vmbr4000 | |
1568 | iface vmbr4000 inet manual | |
1569 | bridge_ports vxlan4000 | |
1570 | bridge_stp off | |
1571 | bridge_fd 0 | |
1572 | vrf vrf1 | |
1573 | ---- | |
1574 | ||
1575 | ||
1576 | frr.conf | |
1577 | ||
1578 | ---- | |
1579 | ip prefix-list deny seq 10 deny any | |
1580 | ! | |
1581 | vrf vrf1 | |
1582 | vni 4000 | |
1583 | exit-vrf | |
1584 | ! | |
1585 | router bgp 1234 | |
1586 | bgp router-id 192.168.0.1 | |
1587 | no bgp default ipv4-unicast | |
1588 | coalesce-time 1000 | |
1589 | neighbor 192.168.0.2 remote-as 1234 | |
1590 | neighbor 192.168.0.3 remote-as 1234 | |
1591 | ! | |
1592 | address-family ipv4 unicast | |
1593 | import vrf vrf1 | |
1594 | neighbor 192.168.0.2 prefix-list deny out | |
1595 | neighbor 192.168.0.3 prefix-list deny out | |
1596 | exit-address-family | |
1597 | ! | |
1598 | address-family l2vpn evpn | |
1599 | neighbor 192.168.0.2 activate | |
1600 | neighbor 192.168.0.3 activate | |
1601 | advertise-all-vni | |
1602 | exit-address-family | |
1603 | ! | |
1604 | router bgp 1234 vrf vrf1 | |
1605 | ! | |
1606 | address-family ipv4 unicast | |
1607 | redistribute connected | |
1608 | exit-address-family | |
1609 | ! | |
1610 | address-family l2vpn evpn | |
1611 | default-originate ipv4 | |
1612 | exit-address-family | |
1613 | ! | |
1614 | line vty | |
1615 | ! | |
1616 | ---- | |
1617 | ||
1618 | ||
1619 | * node2 | |
1620 | ||
1621 | ---- | |
1622 | auto vrf1 | |
1623 | iface vrf1 | |
1624 | vrf-table auto | |
1625 | ||
1626 | auto eno1 | |
1627 | iface eno1 inet manual | |
1628 | mtu 1550 | |
1629 | ||
1630 | auto vmbr0 | |
1631 | iface vmbr0 inet static | |
1632 | address 192.168.0.2 | |
1633 | netmask 255.255.255.0 | |
1634 | gateway 192.168.0.254 | |
1635 | bridge_ports eno1 | |
1636 | bridge_stp off | |
1637 | bridge_fd 0 | |
1638 | ip-forward on | |
1639 | ip6-forward on | |
1640 | ||
1641 | auto vxlan2 | |
1642 | iface vxlan2 inet manual | |
1643 | vxlan-id 2 | |
1644 | vxlan-local-tunnelip 192.168.0.2 | |
1645 | bridge-learning off | |
1646 | bridge-arp-nd-suppress on | |
1647 | bridge-unicast-flood off | |
1648 | bridge-multicast-flood off | |
1649 | ||
1650 | auto vmbr2 | |
1651 | iface vmbr2 inet static | |
1652 | bridge_ports vxlan2 | |
1653 | bridge_stp off | |
1654 | bridge_fd 0 | |
1655 | address 10.0.2.254 | |
1656 | netmask 255.255.255.0 | |
1657 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr2 | |
1658 | vrf vrf1 | |
1659 | ip-forward on | |
1660 | ip6-forward on | |
1661 | arp-accept on | |
1662 | ||
1663 | auto vxlan3 | |
1664 | iface vxlan3 inet manual | |
1665 | vxlan-id 3 | |
1666 | vxlan-local-tunnelip 192.168.0.2 | |
1667 | bridge-learning off | |
1668 | bridge-arp-nd-suppress on | |
1669 | bridge-unicast-flood off | |
1670 | bridge-multicast-flood off | |
1671 | ||
1672 | auto vmbr3 | |
1673 | iface vmbr3 inet static | |
1674 | bridge_ports vxlan3 | |
1675 | bridge_stp off | |
1676 | bridge_fd 0 | |
1677 | address 10.0.3.254 | |
1678 | netmask 255.255.255.0 | |
1679 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr3 | |
1680 | vrf vrf1 | |
1681 | ip-forward on | |
1682 | ip6-forward on | |
1683 | arp-accept on | |
1684 | ||
1685 | #interconnect vxlan-vfr l3vni | |
1686 | auto vxlan4000 | |
1687 | iface vxlan4000 inet manual | |
1688 | vxlan-id 4000 | |
1689 | vxlan-local-tunnelip 192.168.0.2 | |
1690 | bridge-learning off | |
1691 | bridge-arp-nd-suppress on | |
1692 | bridge-unicast-flood off | |
1693 | bridge-multicast-flood off | |
1694 | ||
1695 | ||
1696 | auto vmbr4000 | |
1697 | iface vmbr4000 inet manual | |
1698 | bridge_ports vxlan4000 | |
1699 | bridge_stp off | |
1700 | bridge_fd 0 | |
1701 | vrf vrf1 | |
1702 | ---- | |
1703 | ||
1704 | ||
1705 | frr.conf | |
1706 | ||
1707 | ---- | |
1708 | ip prefix-list deny seq 10 deny any | |
1709 | ! | |
1710 | vrf vrf1 | |
1711 | vni 4000 | |
1712 | exit-vrf | |
1713 | ! | |
1714 | router bgp 1234 | |
1715 | bgp router-id 192.168.0.2 | |
1716 | no bgp default ipv4-unicast | |
1717 | coalesce-time 1000 | |
1718 | neighbor 192.168.0.1 remote-as 1234 | |
1719 | neighbor 192.168.0.3 remote-as 1234 | |
1720 | ! | |
1721 | address-family ipv4 unicast | |
1722 | import vrf vrf1 | |
1723 | neighbor 192.168.0.1 prefix-list deny out | |
1724 | neighbor 192.168.0.3 prefix-list deny out | |
1725 | exit-address-family | |
1726 | ! | |
1727 | address-family l2vpn evpn | |
1728 | neighbor 192.168.0.1 activate | |
1729 | neighbor 192.168.0.3 activate | |
1730 | advertise-all-vni | |
1731 | exit-address-family | |
1732 | ! | |
1733 | address-family ipv4 unicast | |
1734 | redistribute connected | |
1735 | exit-address-family | |
1736 | ! | |
1737 | address-family l2vpn evpn | |
1738 | default-originate ipv4 | |
1739 | exit-address-family | |
1740 | ! | |
1741 | line vty | |
1742 | ! | |
1743 | ---- | |
1744 | ||
1745 | ||
1746 | * node3 | |
1747 | ||
1748 | ---- | |
1749 | auto vrf1 | |
1750 | iface vrf1 | |
1751 | vrf-table auto | |
1752 | ||
1753 | auto eno1 | |
1754 | iface eno1 inet manual | |
1755 | mtu 1550 | |
1756 | ||
1757 | auto vmbr0 | |
1758 | iface vmbr0 inet static | |
1759 | address 192.168.0.3 | |
1760 | netmask 255.255.255.0 | |
1761 | gateway 192.168.0.254 | |
1762 | bridge_ports eno1 | |
1763 | bridge_stp off | |
1764 | bridge_fd 0 | |
1765 | ip-forward on | |
1766 | ip6-forward on | |
1767 | ||
1768 | auto vxlan2 | |
1769 | iface vxlan2 inet manual | |
1770 | vxlan-id 2 | |
1771 | vxlan-local-tunnelip 192.168.0.3 | |
1772 | bridge-learning off | |
1773 | bridge-arp-nd-suppress on | |
1774 | bridge-unicast-flood off | |
1775 | bridge-multicast-flood off | |
1776 | ||
1777 | auto vmbr2 | |
1778 | iface vmbr2 inet static | |
1779 | bridge_ports vxlan2 | |
1780 | bridge_stp off | |
1781 | bridge_fd 0 | |
1782 | address 10.0.2.254 | |
1783 | netmask 255.255.255.0 | |
1784 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr2 | |
1785 | vrf vrf1 | |
1786 | ip-forward on | |
1787 | ip6-forward on | |
1788 | arp-accept on | |
1789 | ||
1790 | auto vxlan3 | |
1791 | iface vxlan3 inet manual | |
1792 | vxlan-id 3 | |
1793 | vxlan-local-tunnelip 192.168.0.3 | |
1794 | bridge-learning off | |
1795 | bridge-arp-nd-suppress on | |
1796 | bridge-unicast-flood off | |
1797 | bridge-multicast-flood off | |
1798 | ||
1799 | auto vmbr3 | |
1800 | iface vmbr3 inet static | |
1801 | bridge_ports vxlan3 | |
1802 | bridge_stp off | |
1803 | bridge_fd 0 | |
1804 | address 10.0.3.254 | |
1805 | netmask 255.255.255.0 | |
1806 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr3 | |
1807 | vrf vrf1 | |
1808 | ip-forward on | |
1809 | ip6-forward on | |
1810 | arp-accept on | |
1811 | ||
1812 | #interconnect vxlan-vfr l3vni | |
1813 | auto vxlan4000 | |
1814 | iface vxlan4000 inet manual | |
1815 | vxlan-id 4000 | |
1816 | vxlan-local-tunnelip 192.168.0.3 | |
1817 | bridge-learning off | |
1818 | bridge-arp-nd-suppress on | |
1819 | bridge-unicast-flood off | |
1820 | bridge-multicast-flood off | |
1821 | ||
1822 | ||
1823 | auto vmbr4000 | |
1824 | iface vmbr4000 inet manual | |
1825 | bridge_ports vxlan4000 | |
1826 | bridge_stp off | |
1827 | bridge_fd 0 | |
1828 | vrf vrf1 | |
1829 | ---- | |
1830 | ||
1831 | ||
1832 | frr.conf | |
1833 | ||
1834 | ---- | |
1835 | ip prefix-list deny seq 10 deny any | |
1836 | ! | |
1837 | vrf vrf1 | |
1838 | vni 4000 | |
1839 | exit-vrf | |
1840 | ! | |
1841 | router bgp 1234 | |
1842 | bgp router-id 192.168.0.3 | |
1843 | no bgp default ipv4-unicast | |
1844 | coalesce-time 1000 | |
1845 | neighbor 192.168.0.1 remote-as 1234 | |
1846 | neighbor 192.168.0.2 remote-as 1234 | |
1847 | ! | |
1848 | address-family ipv4 unicast | |
1849 | import vrf vrf1 | |
1850 | neighbor 192.168.0.1 prefix-list deny out | |
1851 | neighbor 192.168.0.2 prefix-list deny out | |
1852 | exit-address-family | |
1853 | ! | |
1854 | address-family l2vpn evpn | |
1855 | neighbor 192.168.0.1 activate | |
1856 | neighbor 192.168.0.2 activate | |
1857 | advertise-all-vni | |
1858 | exit-address-family | |
1859 | ! | |
1860 | router bgp 1234 vrf vrf1 | |
1861 | ! | |
1862 | address-family ipv4 unicast | |
1863 | redistribute connected | |
1864 | exit-address-family | |
1865 | ! | |
1866 | address-family l2vpn evpn | |
1867 | default-originate ipv4 | |
1868 | exit-address-family | |
1869 | ! | |
1870 | line vty | |
1871 | ! | |
1872 | ---- | |
1873 | ||
1874 | Note | |
1875 | ^^^^ | |
1876 | ||
1877 | If your external router doesn't support 'ECMP static routes' to reach multiple | |
1878 | {pve} nodes, you can setup an HA floating vip on proxmox nodes by using the | |
1879 | Virtual Router Redundancy Protocol (VRRP). | |
1880 | ||
1881 | In this example, we will setup an floating 192.168.0.10 IP on node1 and node2. | |
1882 | Node1 is the primary with failover to node2 in case of outage. | |
1883 | ||
1884 | This setup currently needs 'vrrpd' package (`apt install vrrpd`). | |
1885 | #TODO : It should be possible to do it with frr directly with last version. | |
1886 | ||
1887 | * node1 | |
1888 | ||
1889 | ---- | |
1890 | auto vmbr0 | |
1891 | iface vmbr0 inet static | |
1892 | address 192.168.0.1 | |
1893 | netmask 255.255.255.0 | |
1894 | gateway 192.168.0.254 | |
1895 | bridge_ports eno1 | |
1896 | bridge_stp off | |
1897 | bridge_fd 0 | |
1898 | vrrp-id 1 | |
1899 | vrrp-priority 1 | |
1900 | vrrp-virtual-ip 192.168.0.10 | |
1901 | ---- | |
1902 | ||
1903 | * node2 | |
1904 | ||
1905 | ---- | |
1906 | auto vmbr0 | |
1907 | iface vmbr0 inet static | |
1908 | address 192.168.0.2 | |
1909 | netmask 255.255.255.0 | |
1910 | gateway 192.168.0.254 | |
1911 | bridge_ports eno1 | |
1912 | bridge_stp off | |
1913 | bridge_fd 0 | |
1914 | vrrp-id 1 | |
1915 | vrrp-priority 2 | |
1916 | vrrp-virtual-ip 192.168.0.10 | |
1917 | ---- | |
1918 | ||
1919 | ||
1920 | Route Reflectors | |
1921 | ^^^^^^^^^^^^^^^^ | |
1922 | If you have a lot of proxmox nodes, or multiple proxmox clusters, you may want | |
1923 | to avoid that all node peers with each others nodes. | |
1924 | For this, you can create dedicated route reflectors (RR) servers. As a RR is a | |
1925 | single point of failure, a minimum of two servers acting as an RR is highly | |
1926 | recommended for redundancy. | |
1927 | ||
1928 | Below is an example of configuration with 'frr', with `rrserver1 | |
1929 | (192.168.0.200)' and `rrserver2 (192.168.0.201)`. | |
1930 | ||
1931 | rrserver1 | |
1932 | ---- | |
1933 | router bgp 1234 | |
1934 | bgp router-id 192.168.0.200 | |
1935 | bgp cluster-id 1.1.1.1 #cluster-id must be the same on each route reflector | |
1936 | bgp log-neighbor-changes | |
1937 | no bgp default ipv4-unicast | |
1938 | neighbor fabric peer-group | |
1939 | neighbor fabric remote-as 1234 | |
1940 | neighbor fabric capability extended-nexthop | |
1941 | neighbor fabric update-source 192.168.0.200 | |
1942 | bgp listen range 192.168.0.0/24 peer-group fabric #allow any proxmoxnode client in the network range | |
1943 | ! | |
1944 | address-family l2vpn evpn | |
1945 | neighbor fabric activate | |
1946 | neighbor fabric route-reflector-client | |
1947 | neighbor fabric allowas-in | |
1948 | exit-address-family | |
1949 | ! | |
1950 | exit | |
1951 | ! | |
1952 | --- | |
1953 | ||
1954 | rrserver2 | |
1955 | ---- | |
1956 | router bgp 1234 | |
1957 | bgp router-id 192.168.0.201 | |
1958 | bgp cluster-id 1.1.1.1 | |
1959 | bgp log-neighbor-changes | |
1960 | no bgp default ipv4-unicast | |
1961 | neighbor fabric peer-group | |
1962 | neighbor fabric remote-as 1234 | |
1963 | neighbor fabric capability extended-nexthop | |
1964 | neighbor fabric update-source 192.168.0.201 | |
1965 | bgp listen range 192.168.0.0/24 peer-group fabric | |
1966 | ! | |
1967 | address-family l2vpn evpn | |
1968 | neighbor fabric activate | |
1969 | neighbor fabric route-reflector-client | |
1970 | neighbor fabric allowas-in | |
1971 | exit-address-family | |
1972 | ! | |
1973 | exit | |
1974 | ! | |
1975 | --- | |
1976 | ||
1977 | proxmoxnode(s) | |
1978 | ---- | |
1979 | router bgp 1234 | |
1980 | bgp router-id 192.168.0.x | |
1981 | no bgp default ipv4-unicast | |
1982 | coalesce-time 1000 | |
1983 | neighbor 192.168.0.200 remote-as 1234 | |
1984 | neighbor 192.168.0.201 remote-as 1234 | |
1985 | ! | |
1986 | address-family l2vpn evpn | |
1987 | neighbor 192.168.0.200 activate | |
1988 | neighbor 192.168.0.201 activate | |
1989 | advertise-all-vni | |
1990 | exit-address-family | |
1991 | ! | |
1992 | ---- | |
1993 | ||
1994 | #TODO : Documentation with bgp upstream router. |