]>
Commit | Line | Data |
---|---|---|
445822a9 DM |
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 | For BUM traffic (broadcast / unknown unicast traffic, multicast), | |
20 | we have 3 differents vxlan setup modes : multicast, unicast, bgp-evpn | |
21 | ||
22 | image::images/vxlan-l2-vlanunaware.svg["vxlan l2 bridge vlan unaware",align="center"] | |
23 | ||
24 | multicast mode | |
25 | ^^^^^^^^^^^^^^ | |
26 | ||
27 | This scenario relies in head end replication, meaning that end host in case | |
28 | of not having any entry for the destination MAC address will send out an ARP | |
29 | to other devices / VTEPs in the VXLAN network. | |
30 | This is done by sending the request to the VXLAN multicast group, | |
31 | remote VTEPs will get the packet and answer accordingly direct to the originating VTEP. | |
32 | ||
33 | ||
34 | * node1 | |
35 | ||
36 | ---- | |
37 | auto eno1 | |
38 | iface eno1 inet manual | |
39 | ||
40 | auto vmbr0 | |
41 | iface vmbr0 inet static | |
42 | address 192.168.0.1 | |
43 | netmask 255.255.255.0 | |
44 | bridge_ports eno1 | |
45 | bridge_stp off | |
46 | bridge_fd 0 | |
47 | ||
48 | auto vxlan2 | |
49 | iface vxlan2 inet manual | |
50 | vxlan-svcnodeip 225.20.1.1 | |
51 | vxlan-physdev eno1 | |
52 | ||
53 | auto vmbr2 | |
54 | iface vmbr2 inet manual | |
55 | bridge_ports vxlan2 | |
56 | bridge_stp off | |
57 | bridge_fd 0 | |
58 | ||
59 | auto vxlan3 | |
60 | iface vxlan3 inet manual | |
61 | vxlan-svcnodeip 225.20.1.1 | |
62 | vxlan-physdev eno1 | |
63 | ||
64 | auto vmbr3 | |
65 | iface vmbr3 inet manual | |
66 | bridge_ports vxlan3 | |
67 | bridge_stp off | |
68 | bridge_fd 0 | |
69 | ---- | |
70 | ||
71 | ||
72 | * node2 | |
73 | ||
74 | ---- | |
75 | auto eno1 | |
76 | iface eno1 inet manual | |
77 | ||
78 | auto vmbr0 | |
79 | iface vmbr0 inet static | |
80 | address 192.168.0.2 | |
81 | netmask 255.255.255.0 | |
82 | bridge_ports eno1 | |
83 | bridge_stp off | |
84 | bridge_fd 0 | |
85 | ||
86 | auto vxlan2 | |
87 | iface vxlan2 inet manual | |
88 | vxlan-svcnodeip 225.20.1.1 | |
89 | vxlan-physdev eno1 | |
90 | ||
91 | auto vmbr2 | |
92 | iface vmbr2 inet manual | |
93 | bridge_ports vxlan2 | |
94 | bridge_stp off | |
95 | bridge_fd 0 | |
96 | ||
97 | ||
98 | auto vxlan3 | |
99 | iface vxlan3 inet manual | |
100 | vxlan-svcnodeip 225.20.1.1 | |
101 | vxlan-physdev eno1 | |
102 | ||
103 | auto vmbr3 | |
104 | iface vmbr3 inet manual | |
105 | bridge_ports vxlan3 | |
106 | bridge_stp off | |
107 | bridge_fd 0 | |
108 | ---- | |
109 | ||
110 | ||
111 | * node3 | |
112 | ||
113 | ---- | |
114 | auto eno1 | |
115 | iface eno1 inet manual | |
116 | ||
117 | auto vmbr0 | |
118 | iface vmbr0 inet static | |
119 | address 192.168.0.3 | |
120 | netmask 255.255.255.0 | |
121 | bridge_ports eno1 | |
122 | bridge_stp off | |
123 | bridge_fd 0 | |
124 | ||
125 | auto vxlan2 | |
126 | iface vxlan2 inet manual | |
127 | vxlan-svcnodeip 225.20.1.1 | |
128 | vxlan-physdev eno1 | |
129 | ||
130 | auto vmbr2 | |
131 | iface vmbr2 inet manual | |
132 | bridge_ports vxlan2 | |
133 | bridge_stp off | |
134 | bridge_fd 0 | |
135 | ||
136 | ||
137 | auto vxlan3 | |
138 | iface vxlan3 inet manual | |
139 | vxlan-svcnodeip 225.20.1.1 | |
140 | vxlan-physdev eno1 | |
141 | ||
142 | auto vmbr3 | |
143 | iface vmbr3 inet manual | |
144 | bridge_ports vxlan3 | |
145 | bridge_stp off | |
146 | bridge_fd 0 | |
147 | ---- | |
148 | ||
149 | ||
150 | unicast mode | |
151 | ^^^^^^^^^^^^ | |
152 | ||
153 | We can replace multicast by head-end replication of BUM frames to a statically configured lists of remote VTEPs. | |
154 | The VXLAN is defined without a remote multicast group. | |
155 | Instead, all the remote VTEPs are associated with the all-zero address: | |
156 | a BUM frame will be duplicated to all these destinations. | |
157 | The VXLAN device will still learn remote addresses automatically using source-address learning. | |
158 | ||
159 | * node1 | |
160 | ||
161 | ---- | |
162 | auto eno1 | |
163 | iface eno1 inet manual | |
164 | ||
165 | auto vmbr0 | |
166 | iface vmbr0 inet static | |
167 | address 192.168.0.1 | |
168 | netmask 255.255.255.0 | |
169 | bridge_ports eno1 | |
170 | bridge_stp off | |
171 | bridge_fd 0 | |
172 | ||
173 | ||
174 | auto vxlan2 | |
175 | iface vxlan2 inet manual | |
176 | vxlan_remoteip 192.168.0.2 | |
177 | vxlan_remoteip 192.168.0.3 | |
178 | ||
179 | ||
180 | auto vmbr2 | |
181 | iface vmbr2 inet manual | |
182 | bridge_ports vxlan2 | |
183 | bridge_stp off | |
184 | bridge_fd 0 | |
185 | ||
186 | ||
187 | auto vxlan3 | |
188 | iface vxlan2 inet manual | |
189 | vxlan_remoteip 192.168.0.2 | |
190 | vxlan_remoteip 192.168.0.3 | |
191 | ||
192 | ||
193 | auto vmbr3 | |
194 | iface vmbr3 inet manual | |
195 | bridge_ports vxlan3 | |
196 | bridge_stp off | |
197 | bridge_fd 0 | |
198 | ---- | |
199 | ||
200 | ||
201 | * node2 | |
202 | ||
203 | ---- | |
204 | auto eno1 | |
205 | iface eno1 inet manual | |
206 | ||
207 | auto vmbr0 | |
208 | iface vmbr0 inet static | |
209 | address 192.168.0.2 | |
210 | netmask 255.255.255.0 | |
211 | bridge_ports eno1 | |
212 | bridge_stp off | |
213 | bridge_fd 0 | |
214 | ||
215 | auto vxlan2 | |
216 | iface vxlan2 inet manual | |
217 | vxlan_remoteip 192.168.0.1 | |
218 | vxlan_remoteip 192.168.0.3 | |
219 | ||
220 | ||
221 | ||
222 | auto vmbr2 | |
223 | iface vmbr2 inet manual | |
224 | bridge_ports vxlan2 | |
225 | bridge_stp off | |
226 | bridge_fd 0 | |
227 | ||
228 | auto vxlan3 | |
229 | iface vxlan2 inet manual | |
230 | vxlan_remoteip 192.168.0.1 | |
231 | vxlan_remoteip 192.168.0.3 | |
232 | ||
233 | ||
234 | auto vmbr3 | |
235 | iface vmbr3 inet manual | |
236 | bridge_ports vxlan3 | |
237 | bridge_stp off | |
238 | bridge_fd 0 | |
239 | ---- | |
240 | ||
241 | ||
242 | * node3 | |
243 | ||
244 | ---- | |
245 | auto eno1 | |
246 | iface eno1 inet manual | |
247 | ||
248 | auto vmbr0 | |
249 | iface vmbr0 inet static | |
250 | address 192.168.0.3 | |
251 | netmask 255.255.255.0 | |
252 | bridge_ports eno1 | |
253 | bridge_stp off | |
254 | bridge_fd 0 | |
255 | ||
256 | auto vxlan2 | |
257 | iface vxlan2 inet manual | |
258 | vxlan_remoteip 192.168.0.2 | |
259 | vxlan_remoteip 192.168.0.3 | |
260 | ||
261 | ||
262 | ||
263 | auto vmbr2 | |
264 | iface vmbr2 inet manual | |
265 | bridge_ports vxlan2 | |
266 | bridge_stp off | |
267 | bridge_fd 0 | |
268 | ||
269 | auto vxlan3 | |
270 | iface vxlan2 inet manual | |
271 | vxlan_remoteip 192.168.0.2 | |
272 | vxlan_remoteip 192.168.0.3 | |
273 | ||
274 | ||
275 | auto vmbr3 | |
276 | iface vmbr3 inet manual | |
277 | bridge_ports vxlan3 | |
278 | bridge_stp off | |
279 | bridge_fd 0 | |
280 | ---- | |
281 | ||
282 | ||
283 | bgp-evpn | |
284 | ^^^^^^^^ | |
285 | ||
286 | VTEPs use control plane learning/distribution via BGP for remote MAC addresses instead of data plane learning. | |
287 | VTEPs have the ability to suppress ARP flooding over VXLAN tunnels. | |
288 | ||
289 | The control plane used here is FRR, a bgp routing software. | |
290 | Each node in the proxmox cluster peer with each others nodes. | |
291 | For bigger networks, or multiple proxmox clusters, | |
292 | it's possible to use external bgp route reflector servers. | |
293 | ||
294 | * node1 | |
295 | ||
296 | ---- | |
297 | auto eno1 | |
298 | iface eno1 inet manual | |
299 | ||
300 | auto vmbr0 | |
301 | iface vmbr0 inet static | |
302 | address 192.168.0.1 | |
303 | netmask 255.255.255.0 | |
304 | bridge_ports eno1 | |
305 | bridge_stp off | |
306 | bridge_fd 0 | |
307 | ||
308 | auto vxlan2 | |
309 | iface vxlan2 inet manual | |
310 | vxlan-local-tunnelip 192.168.0.1 | |
311 | bridge-learning off | |
312 | bridge-arp-nd-suppress on | |
313 | bridge-unicast-flood off | |
314 | bridge-multicast-flood off | |
315 | ||
316 | ||
317 | auto vmbr2 | |
318 | iface vmbr2 inet manual | |
319 | bridge_ports vxlan2 | |
320 | bridge_stp off | |
321 | bridge_fd 0 | |
322 | ||
323 | ||
324 | auto vxlan3 | |
325 | iface vxlan3 inet manual | |
326 | vxlan-local-tunnelip 192.168.0.1 | |
327 | bridge-learning off | |
328 | bridge-arp-nd-suppress on | |
329 | bridge-unicast-flood off | |
330 | bridge-multicast-flood off | |
331 | ||
332 | ||
333 | auto vmbr3 | |
334 | iface vmbr3 inet manual | |
335 | bridge_ports vxlan3 | |
336 | bridge_stp off | |
337 | bridge_fd 0 | |
338 | ---- | |
339 | ||
340 | ||
341 | /etc/frr/frr.conf | |
342 | ||
343 | ---- | |
344 | router bgp 1234 | |
345 | no bgp default ipv4-unicast | |
346 | coalesce-time 1000 | |
347 | neighbor 192.168.0.2 remote-as 1234 | |
348 | neighbor 192.168.0.3 remote-as 1234 | |
349 | ! | |
350 | address-family l2vpn evpn | |
351 | neighbor 192.168.0.2 activate | |
352 | neighbor 192.168.0.3 activate | |
353 | advertise-all-vni | |
354 | exit-address-family | |
355 | ! | |
356 | line vty | |
357 | ! | |
358 | ---- | |
359 | ||
360 | ||
361 | * node2 | |
362 | ||
363 | ---- | |
364 | auto eno1 | |
365 | iface eno1 inet manual | |
366 | ||
367 | auto vmbr0 | |
368 | iface vmbr0 inet static | |
369 | address 192.168.0.2 | |
370 | netmask 255.255.255.0 | |
371 | bridge_ports eno1 | |
372 | bridge_stp off | |
373 | bridge_fd 0 | |
374 | ||
375 | auto vxlan2 | |
376 | iface vxlan2 inet manual | |
377 | vxlan-local-tunnelip 192.168.0.2 | |
378 | bridge-learning off | |
379 | bridge-arp-nd-suppress on | |
380 | bridge-unicast-flood off | |
381 | bridge-multicast-flood off | |
382 | ||
383 | ||
384 | auto vmbr2 | |
385 | iface vmbr2 inet manual | |
386 | bridge_ports vxlan2 | |
387 | bridge_stp off | |
388 | bridge_fd 0 | |
389 | ||
390 | auto vxlan3 | |
391 | iface vxlan3 inet manual | |
392 | vxlan-local-tunnelip 192.168.0.2 | |
393 | bridge-learning off | |
394 | bridge-arp-nd-suppress on | |
395 | bridge-unicast-flood off | |
396 | bridge-multicast-flood off | |
397 | ||
398 | ||
399 | auto vmbr3 | |
400 | iface vmbr3 inet manual | |
401 | bridge_ports vxlan3 | |
402 | bridge_stp off | |
403 | bridge_fd 0 | |
404 | ---- | |
405 | ||
406 | ||
407 | /etc/frr/frr.conf | |
408 | ||
409 | ---- | |
410 | router bgp 1234 | |
411 | no bgp default ipv4-unicast | |
412 | coalesce-time 1000 | |
413 | neighbor 192.168.0.1 remote-as 1234 | |
414 | neighbor 192.168.0.3 remote-as 1234 | |
415 | ! | |
416 | address-family l2vpn evpn | |
417 | neighbor 192.168.0.1 activate | |
418 | neighbor 192.168.0.3 activate | |
419 | advertise-all-vni | |
420 | exit-address-family | |
421 | ! | |
422 | line vty | |
423 | ! | |
424 | ---- | |
425 | ||
426 | ||
427 | * node3 | |
428 | ||
429 | ---- | |
430 | auto eno1 | |
431 | iface eno1 inet manual | |
432 | ||
433 | auto vmbr0 | |
434 | iface vmbr0 inet static | |
435 | address 192.168.0.2 | |
436 | netmask 255.255.255.0 | |
437 | bridge_ports eno1 | |
438 | bridge_stp off | |
439 | bridge_fd 0 | |
440 | ||
441 | auto vxlan2 | |
442 | iface vxlan2 inet manual | |
443 | vxlan-local-tunnelip 192.168.0.3 | |
444 | bridge-learning off | |
445 | bridge-arp-nd-suppress on | |
446 | bridge-unicast-flood off | |
447 | bridge-multicast-flood off | |
448 | ||
449 | ||
450 | auto vmbr2 | |
451 | iface vmbr2 inet manual | |
452 | bridge_ports vxlan2 | |
453 | bridge_stp off | |
454 | bridge_fd 0 | |
455 | ||
456 | auto vxlan3 | |
457 | iface vxlan3 inet manual | |
458 | vxlan-local-tunnelip 192.168.0.3 | |
459 | bridge-learning off | |
460 | bridge-arp-nd-suppress on | |
461 | bridge-unicast-flood off | |
462 | bridge-multicast-flood off | |
463 | ||
464 | ||
465 | auto vmbr3 | |
466 | iface vmbr3 inet manual | |
467 | bridge_ports vxlan3 | |
468 | bridge_stp off | |
469 | bridge_fd 0 | |
470 | ---- | |
471 | ||
472 | ||
473 | /etc/frr/frr.conf | |
474 | ||
475 | ||
476 | ---- | |
477 | router bgp 1234 | |
478 | no bgp default ipv4-unicast | |
479 | coalesce-time 1000 | |
480 | neighbor 192.168.0.1 remote-as 1234 | |
481 | neighbor 192.168.0.2 remote-as 1234 | |
482 | ! | |
483 | address-family l2vpn evpn | |
484 | neighbor 192.168.0.1 activate | |
485 | neighbor 192.168.0.2 activate | |
486 | advertise-all-vni | |
487 | exit-address-family | |
488 | ! | |
489 | line vty | |
490 | ! | |
491 | ---- | |
492 | ||
493 | ||
494 | VXLAN layer2 with vlan aware linux bridges | |
495 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
496 | ||
497 | We use 1 vmbr bridge, each vxlan is mapped to a vlan | |
498 | ||
499 | image::images/vxlan-l2-vlanaware.svg["vxlan l2 bridge vlan aware",align="center"] | |
500 | ||
501 | multicast mode | |
502 | ^^^^^^^^^^^^^^ | |
503 | ||
504 | * node1 | |
505 | ||
506 | ---- | |
507 | auto eno1 | |
508 | iface eno1 inet manual | |
509 | ||
510 | auto vmbr0 | |
511 | iface vmbr0 inet static | |
512 | address 192.168.0.1 | |
513 | netmask 255.255.255.0 | |
514 | bridge_ports eno1 vxlan2 vxlan3 | |
515 | bridge_stp off | |
516 | bridge_fd 0 | |
517 | bridge_vlan_aware yes | |
518 | ||
519 | auto vxlan2 | |
520 | iface vxlan2 inet manual | |
521 | vxlan-svcnodeip 225.20.1.1 | |
522 | vxlan-physdev eno1 | |
523 | bridge-access 2 | |
524 | ||
525 | auto vxlan3 | |
526 | iface vxlan3 inet manual | |
527 | vxlan-svcnodeip 225.20.1.1 | |
528 | vxlan-physdev eno1 | |
529 | bridge-access 3 | |
530 | ---- | |
531 | ||
532 | ||
533 | * node2 | |
534 | ||
535 | ---- | |
536 | auto eno1 | |
537 | iface eno1 inet manual | |
538 | ||
539 | auto vmbr0 | |
540 | iface vmbr0 inet static | |
541 | address 192.168.0.2 | |
542 | netmask 255.255.255.0 | |
543 | bridge_ports eno1 vxlan2 vxlan3 | |
544 | bridge_stp off | |
545 | bridge_fd 0 | |
546 | bridge_vlan_aware yes | |
547 | ||
548 | auto vxlan2 | |
549 | iface vxlan2 inet manual | |
550 | vxlan-svcnodeip 225.20.1.1 | |
551 | vxlan-physdev eno1 | |
552 | bridge-access 2 | |
553 | ||
554 | auto vxlan3 | |
555 | iface vxlan3 inet manual | |
556 | vxlan-svcnodeip 225.20.1.1 | |
557 | vxlan-physdev eno1 | |
558 | bridge-access 3 | |
559 | ---- | |
560 | ||
561 | ||
562 | * node3 | |
563 | ||
564 | ---- | |
565 | auto eno1 | |
566 | iface eno1 inet manual | |
567 | ||
568 | auto vmbr0 | |
569 | iface vmbr0 inet static | |
570 | address 192.168.0.3 | |
571 | netmask 255.255.255.0 | |
572 | bridge_ports eno1 vxlan2 vxlan3 | |
573 | bridge_stp off | |
574 | bridge_fd 0 | |
575 | bridge_vlan_aware yes | |
576 | ||
577 | auto vxlan2 | |
578 | iface vxlan2 inet manual | |
579 | vxlan-svcnodeip 225.20.1.1 | |
580 | vxlan-physdev eno1 | |
581 | bridge-access 2 | |
582 | ||
583 | auto vxlan3 | |
584 | iface vxlan3 inet manual | |
585 | vxlan-svcnodeip 225.20.1.1 | |
586 | vxlan-physdev eno1 | |
587 | bridge-access 3 | |
588 | ---- | |
589 | ||
590 | ||
591 | unicast mode | |
592 | ^^^^^^^^^^^^ | |
593 | ||
594 | * node1 | |
595 | ||
596 | ---- | |
597 | auto eno1 | |
598 | iface eno1 inet manual | |
599 | ||
600 | auto vmbr0 | |
601 | iface vmbr0 inet static | |
602 | address 192.168.0.1 | |
603 | netmask 255.255.255.0 | |
604 | bridge_ports eno1 vxlan2 vxlan3 | |
605 | bridge_stp off | |
606 | bridge_fd 0 | |
607 | bridge_vlan_aware yes | |
608 | ||
609 | auto vxlan2 | |
610 | iface vxlan2 inet manual | |
611 | vxlan_remoteip 192.168.0.2 | |
612 | vxlan_remoteip 192.168.0.3 | |
613 | bridge-access 2 | |
614 | ||
615 | auto vxlan3 | |
616 | iface vxlan3 inet manual | |
617 | vxlan_remoteip 192.168.0.2 | |
618 | vxlan_remoteip 192.168.0.3 | |
619 | bridge-access 3 | |
620 | ---- | |
621 | ||
622 | ||
623 | * node2 | |
624 | ||
625 | ---- | |
626 | auto eno1 | |
627 | iface eno1 inet manual | |
628 | ||
629 | auto vmbr0 | |
630 | iface vmbr0 inet static | |
631 | address 192.168.0.2 | |
632 | netmask 255.255.255.0 | |
633 | bridge_ports eno1 vxlan2 vxlan3 | |
634 | bridge_stp off | |
635 | bridge_fd 0 | |
636 | bridge_vlan_aware yes | |
637 | ||
638 | auto vxlan2 | |
639 | iface vxlan2 inet manual | |
640 | vxlan_remoteip 192.168.0.1 | |
641 | vxlan_remoteip 192.168.0.3 | |
642 | bridge-access 2 | |
643 | ||
644 | auto vxlan3 | |
645 | iface vxlan3 inet manual | |
646 | vxlan_remoteip 192.168.0.1 | |
647 | vxlan_remoteip 192.168.0.3 | |
648 | bridge-access 3 | |
649 | ---- | |
650 | ||
651 | ||
652 | * node3 | |
653 | ||
654 | ---- | |
655 | auto eno1 | |
656 | iface eno1 inet manual | |
657 | ||
658 | auto vmbr0 | |
659 | iface vmbr0 inet static | |
660 | address 192.168.0.3 | |
661 | netmask 255.255.255.0 | |
662 | bridge_ports eno1 vxlan2 vxlan3 | |
663 | bridge_stp off | |
664 | bridge_fd 0 | |
665 | bridge_vlan_aware yes | |
666 | ||
667 | auto vxlan2 | |
668 | iface vxlan2 inet manual | |
669 | vxlan_remoteip 192.168.0.2 | |
670 | vxlan_remoteip 192.168.0.3 | |
671 | bridge-access 2 | |
672 | ||
673 | auto vxlan3 | |
674 | iface vxlan3 inet manual | |
675 | vxlan_remoteip 192.168.0.2 | |
676 | vxlan_remoteip 192.168.0.3 | |
677 | bridge-access 3 | |
678 | ---- | |
679 | ||
680 | ||
681 | bgp-evpn | |
682 | ^^^^^^^^ | |
683 | ||
684 | Note: currently FRR is working only with 1 vlan aware bridge | |
685 | ||
686 | * node1 | |
687 | ||
688 | ||
689 | ---- | |
690 | auto eno1 | |
691 | iface eno1 inet manual | |
692 | ||
693 | auto vmbr0 | |
694 | iface vmbr0 inet static | |
695 | address 192.168.0.1 | |
696 | netmask 255.255.255.0 | |
697 | bridge_ports eno1 vxlan2 vxlan3 | |
698 | bridge_stp off | |
699 | bridge_fd 0 | |
700 | bridge_vlan_aware yes | |
701 | ||
702 | auto vxlan0 | |
703 | iface vxlan0 inet manual | |
704 | vxlan-local-tunnelip 192.168.0.1 | |
705 | bridge-learning off | |
706 | bridge-arp-nd-suppress on | |
707 | bridge-unicast-flood off | |
708 | bridge-multicast-flood off | |
709 | bridge-access 2 | |
710 | ||
711 | ||
712 | auto vxlan3 | |
713 | iface vxlan3 inet manual | |
714 | vxlan-local-tunnelip 192.168.0.1 | |
715 | bridge-learning off | |
716 | bridge-arp-nd-suppress on | |
717 | bridge-unicast-flood off | |
718 | bridge-multicast-flood off | |
719 | bridge-access 3 | |
720 | ---- | |
721 | ||
722 | ||
723 | /etc/frr/frr.conf | |
724 | ||
725 | ---- | |
726 | router bgp 1234 | |
727 | no bgp default ipv4-unicast | |
728 | coalesce-time 1000 | |
729 | neighbor 192.168.0.2 remote-as 1234 | |
730 | neighbor 192.168.0.3 remote-as 1234 | |
731 | ! | |
732 | address-family l2vpn evpn | |
733 | neighbor 192.168.0.2 activate | |
734 | neighbor 192.168.0.3 activate | |
735 | advertise-all-vni | |
736 | exit-address-family | |
737 | ! | |
738 | line vty | |
739 | ! | |
740 | ---- | |
741 | ||
742 | ||
743 | * node2 | |
744 | ||
745 | ---- | |
746 | auto eno1 | |
747 | iface eno1 inet manual | |
748 | ||
749 | auto vmbr0 | |
750 | iface vmbr0 inet static | |
751 | address 192.168.0.2 | |
752 | netmask 255.255.255.0 | |
753 | bridge_ports eno1 vxlan2 vxlan3 | |
754 | bridge_stp off | |
755 | bridge_fd 0 | |
756 | bridge_vlan_aware yes | |
757 | ||
758 | auto vxlan0 | |
759 | iface vxlan0 inet manual | |
760 | vxlan-local-tunnelip 192.168.0.2 | |
761 | bridge-learning off | |
762 | bridge-arp-nd-suppress on | |
763 | bridge-unicast-flood off | |
764 | bridge-multicast-flood off | |
765 | bridge-access 2 | |
766 | ||
767 | ||
768 | auto vxlan3 | |
769 | iface vxlan3 inet manual | |
770 | vxlan-local-tunnelip 192.168.0.2 | |
771 | bridge-learning off | |
772 | bridge-arp-nd-suppress on | |
773 | bridge-unicast-flood off | |
774 | bridge-multicast-flood off | |
775 | bridge-access 3 | |
776 | ---- | |
777 | ||
778 | ||
779 | /etc/frr/frr.conf | |
780 | ||
781 | ---- | |
782 | router bgp 1234 | |
783 | no bgp default ipv4-unicast | |
784 | coalesce-time 1000 | |
785 | neighbor 192.168.0.1 remote-as 1234 | |
786 | neighbor 192.168.0.3 remote-as 1234 | |
787 | ! | |
788 | address-family l2vpn evpn | |
789 | neighbor 192.168.0.1 activate | |
790 | neighbor 192.168.0.3 activate | |
791 | advertise-all-vni | |
792 | exit-address-family | |
793 | ! | |
794 | line vty | |
795 | ! | |
796 | ---- | |
797 | ||
798 | ||
799 | * node3 | |
800 | ||
801 | ---- | |
802 | auto eno1 | |
803 | iface eno1 inet manual | |
804 | ||
805 | auto vmbr0 | |
806 | iface vmbr0 inet static | |
807 | address 192.168.0.3 | |
808 | netmask 255.255.255.0 | |
809 | bridge_ports eno1 vxlan2 vxlan3 | |
810 | bridge_stp off | |
811 | bridge_fd 0 | |
812 | bridge_vlan_aware yes | |
813 | ||
814 | auto vxlan0 | |
815 | iface vxlan0 inet manual | |
816 | vxlan-local-tunnelip 192.168.0.3 | |
817 | bridge-learning off | |
818 | bridge-arp-nd-suppress on | |
819 | bridge-unicast-flood off | |
820 | bridge-multicast-flood off | |
821 | bridge-access 2 | |
822 | ||
823 | ||
824 | auto vxlan3 | |
825 | iface vxlan3 inet manual | |
826 | vxlan-local-tunnelip 192.168.0.3 | |
827 | bridge-learning off | |
828 | bridge-arp-nd-suppress on | |
829 | bridge-unicast-flood off | |
830 | bridge-multicast-flood off | |
831 | bridge-access 3 | |
832 | ---- | |
833 | ||
834 | ||
835 | /etc/frr/frr.conf | |
836 | ---- | |
837 | router bgp 1234 | |
838 | no bgp default ipv4-unicast | |
839 | coalesce-time 1000 | |
840 | neighbor 192.168.0.1 remote-as 1234 | |
841 | neighbor 192.168.0.2 remote-as 1234 | |
842 | ! | |
843 | address-family l2vpn evpn | |
844 | neighbor 192.168.0.1 activate | |
845 | neighbor 192.168.0.2 activate | |
846 | advertise-all-vni | |
847 | exit-address-family | |
848 | ! | |
849 | line vty | |
850 | ! | |
851 | ---- | |
1821b137 AD |
852 | |
853 | VXLAN layer3 routing with anycast gateway | |
854 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
855 | ||
856 | With this need, each vmbr bridge will be the gateway for the vm. | |
857 | Same vmbr on different node, will have same ip address and same mac address, | |
858 | to have working vm live migration and no network disruption. | |
859 | ||
860 | VXLAN layer3 routing only work with FRR and non-aware bridge. | |
861 | (vlan aware bridge support is buggy currently). | |
862 | ||
863 | ||
864 | sysctl.conf tuning | |
865 | ||
866 | ---- | |
867 | #enable routing | |
868 | net.ipv4.ip_forward=1 | |
869 | net.ipv6.conf.all.forwarding=1 | |
870 | #disable reverse path filtering | |
871 | net.ipv4.conf.default.rp_filter=0 | |
872 | net.ipv4.conf.all.rp_filter=0 | |
873 | #allow frr to work with vrf | |
874 | net.ipv4.tcp_l3mdev_accept=1 | |
875 | ---- | |
876 | ||
877 | asymmetric model | |
878 | ^^^^^^^^^^^^^^^^ | |
879 | ||
880 | This is the simplest mode. To get it work, all vxlan need to be defined on all nodes. | |
881 | ||
882 | The asymmetric model allows routing and bridging on the VXLAN tunnel ingress, | |
883 | but only bridging on the egress. | |
884 | This results in bi-directional VXLAN traffic traveling on different VNIs | |
885 | in each direction (always the destination VNI) across the routed infrastructure. | |
886 | ||
887 | image::images/vxlan-l3-asymmetric.svg["vxlan l3 asymmetric",align="center"] | |
888 | ||
889 | ||
890 | * node1 | |
891 | ||
892 | ---- | |
893 | auto eno1 | |
894 | iface eno1 inet manual | |
895 | ||
896 | auto vmbr0 | |
897 | iface vmbr0 inet static | |
898 | address 192.168.0.1 | |
899 | netmask 255.255.255.0 | |
900 | bridge_ports eno1 | |
901 | bridge_stp off | |
902 | bridge_fd 0 | |
903 | ||
904 | auto vxlan2 | |
905 | iface vxlan2 inet manual | |
906 | vxlan-local-tunnelip 192.168.0.1 | |
907 | bridge-learning off | |
908 | bridge-arp-nd-suppress on | |
909 | bridge-unicast-flood off | |
910 | bridge-multicast-flood off | |
911 | ||
912 | ||
913 | auto vmbr2 | |
914 | iface vmbr2 inet static | |
915 | address 10.0.2.254 | |
916 | netmask 255.255.255.0 | |
917 | hwaddress 44:39:39:FF:40:94 | |
918 | bridge_ports vxlan2 | |
919 | bridge_stp off | |
920 | bridge_fd 0 | |
921 | ||
922 | ||
923 | auto vxlan3 | |
924 | iface vxlan3 inet manual | |
925 | vxlan-local-tunnelip 192.168.0.1 | |
926 | bridge-learning off | |
927 | bridge-arp-nd-suppress on | |
928 | bridge-unicast-flood off | |
929 | bridge-multicast-flood off | |
930 | ||
931 | ||
932 | auto vmbr3 | |
933 | iface vmbr3 inet static | |
934 | address 10.0.3.254 | |
935 | netmask 255.255.255.0 | |
936 | hwaddress 44:39:39:FF:40:94 | |
937 | bridge_ports vxlan3 | |
938 | bridge_stp off | |
939 | bridge_fd 0 | |
940 | ---- | |
941 | ||
942 | ||
943 | frr.conf | |
944 | ||
945 | ---- | |
946 | router bgp 1234 | |
947 | bgp router-id 192.168.0.1 | |
948 | no bgp default ipv4-unicast | |
949 | coalesce-time 1000 | |
950 | neighbor 192.168.0.2 remote-as 1234 | |
951 | neighbor 192.168.0.3 remote-as 1234 | |
952 | ! | |
953 | address-family l2vpn evpn | |
954 | neighbor 192.168.0.2 activate | |
955 | neighbor 192.168.0.3 activate | |
956 | advertise-all-vni | |
957 | exit-address-family | |
958 | ! | |
959 | line vty | |
960 | ! | |
961 | ---- | |
962 | ||
963 | ||
964 | * node2 | |
965 | ||
966 | ---- | |
967 | auto eno1 | |
968 | iface eno1 inet manual | |
969 | ||
970 | auto vmbr0 | |
971 | iface vmbr0 inet static | |
972 | address 192.168.0.2 | |
973 | netmask 255.255.255.0 | |
974 | bridge_ports eno1 | |
975 | bridge_stp off | |
976 | bridge_fd 0 | |
977 | ||
978 | auto vxlan2 | |
979 | iface vxlan2 inet manual | |
980 | vxlan-local-tunnelip 192.168.0.2 | |
981 | bridge-learning off | |
982 | bridge-arp-nd-suppress on | |
983 | bridge-unicast-flood off | |
984 | bridge-multicast-flood off | |
985 | ||
986 | ||
987 | auto vmbr2 | |
988 | iface vmbr2 inet static | |
989 | address 10.0.2.254 | |
990 | netmask 255.255.255.0 | |
991 | hwaddress 44:39:39:FF:40:94 | |
992 | bridge_ports vxlan2 | |
993 | bridge_stp off | |
994 | bridge_fd 0 | |
995 | ||
996 | ||
997 | auto vxlan3 | |
998 | iface vxlan3 inet manual | |
999 | vxlan-local-tunnelip 192.168.0.2 | |
1000 | bridge-learning off | |
1001 | bridge-arp-nd-suppress on | |
1002 | bridge-unicast-flood off | |
1003 | bridge-multicast-flood off | |
1004 | ||
1005 | ||
1006 | auto vmbr3 | |
1007 | iface vmbr3 inet static | |
1008 | address 10.0.3.254 | |
1009 | netmask 255.255.255.0 | |
1010 | hwaddress 44:39:39:FF:40:94 | |
1011 | bridge_ports vxlan3 | |
1012 | bridge_stp off | |
1013 | bridge_fd 0 | |
1014 | ---- | |
1015 | ||
1016 | ||
1017 | frr.conf | |
1018 | ||
1019 | ---- | |
1020 | router bgp 1234 | |
1021 | bgp router-id 192.168.0.2 | |
1022 | no bgp default ipv4-unicast | |
1023 | coalesce-time 1000 | |
1024 | neighbor 192.168.0.1 remote-as 1234 | |
1025 | neighbor 192.168.0.3 remote-as 1234 | |
1026 | ! | |
1027 | address-family l2vpn evpn | |
1028 | neighbor 192.168.0.1 activate | |
1029 | neighbor 192.168.0.3 activate | |
1030 | advertise-all-vni | |
1031 | exit-address-family | |
1032 | ! | |
1033 | line vty | |
1034 | ! | |
1035 | ---- | |
1036 | ||
1037 | ||
1038 | * node3 | |
1039 | ||
1040 | ---- | |
1041 | auto eno1 | |
1042 | iface eno1 inet manual | |
1043 | ||
1044 | auto vmbr0 | |
1045 | iface vmbr0 inet static | |
1046 | address 192.168.0.3 | |
1047 | netmask 255.255.255.0 | |
1048 | bridge_ports eno1 | |
1049 | bridge_stp off | |
1050 | bridge_fd 0 | |
1051 | ||
1052 | auto vxlan2 | |
1053 | iface vxlan2 inet manual | |
1054 | vxlan-local-tunnelip 192.168.0.3 | |
1055 | bridge-learning off | |
1056 | bridge-arp-nd-suppress on | |
1057 | bridge-unicast-flood off | |
1058 | bridge-multicast-flood off | |
1059 | ||
1060 | ||
1061 | auto vmbr2 | |
1062 | iface vmbr2 inet static | |
1063 | address 10.0.2.254 | |
1064 | netmask 255.255.255.0 | |
1065 | hwaddress 44:39:39:FF:40:94 | |
1066 | bridge_ports vxlan2 | |
1067 | bridge_stp off | |
1068 | bridge_fd 0 | |
1069 | ||
1070 | ||
1071 | auto vxlan3 | |
1072 | iface vxlan3 inet manual | |
1073 | vxlan-local-tunnelip 192.168.0.3 | |
1074 | bridge-learning off | |
1075 | bridge-arp-nd-suppress on | |
1076 | bridge-unicast-flood off | |
1077 | bridge-multicast-flood off | |
1078 | ||
1079 | ||
1080 | auto vmbr3 | |
1081 | iface vmbr3 inet static | |
1082 | address 10.0.3.254 | |
1083 | netmask 255.255.255.0 | |
1084 | hwaddress 44:39:39:FF:40:94 | |
1085 | bridge_ports vxlan3 | |
1086 | bridge_stp off | |
1087 | bridge_fd 0 | |
1088 | ---- | |
1089 | ||
1090 | ||
1091 | frr.conf | |
1092 | ||
1093 | ---- | |
1094 | router bgp 1234 | |
1095 | bgp router-id 192.168.0.3 | |
1096 | no bgp default ipv4-unicast | |
1097 | coalesce-time 1000 | |
1098 | neighbor 192.168.0.1 remote-as 1234 | |
1099 | neighbor 192.168.0.2 remote-as 1234 | |
1100 | ! | |
1101 | address-family l2vpn evpn | |
1102 | neighbor 192.168.0.1 activate | |
1103 | neighbor 192.168.0.2 activate | |
1104 | advertise-all-vni | |
1105 | exit-address-family | |
1106 | ! | |
1107 | line vty | |
1108 | ! | |
1109 | ---- | |
1110 | ||
1111 | ||
1112 | symmetric model | |
1113 | ^^^^^^^^^^^^^^^ | |
1114 | ||
1115 | With this model, you don't need to have all vxlan on all nodes. | |
1116 | This model will also be needed to route traffic to an external router. | |
1117 | ||
1118 | The symmetric model routes and bridges on both the ingress and the egress leafs. | |
1119 | This results in bi-directional traffic being able to travel on the same VNI, hence the symmetric name. | |
1120 | However, a new specialty transit VNI is used for all routed VXLAN traffic, called the L3VNI. | |
1121 | All traffic that needs to be routed will be routed onto the L3VNI, tunneled across the layer 3 Infrastructure, | |
1122 | routed off the L3VNI to the appropriate VLAN and ultimately bridged to the destination. | |
1123 | ||
1124 | 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. | |
1125 | ||
1126 | image::images/vxlan-l3-symmetric.svg["vxlan l3 symmetric",align="center"] | |
1127 | ||
1128 | ||
1129 | * node1 | |
1130 | ||
1131 | ---- | |
1132 | auto vrf1 | |
1133 | iface vrf1 | |
1134 | vrf-table auto | |
1135 | ||
1136 | auto eno1 | |
1137 | iface eno1 inet manual | |
1138 | ||
1139 | auto vmbr0 | |
1140 | iface vmbr0 inet static | |
1141 | address 192.168.0.1 | |
1142 | netmask 255.255.255.0 | |
1143 | bridge_ports eno1 | |
1144 | bridge_stp off | |
1145 | bridge_fd 0 | |
1146 | ||
1147 | auto vxlan2 | |
1148 | iface vxlan2 inet manual | |
1149 | vxlan-local-tunnelip 192.168.0.1 | |
1150 | bridge-learning off | |
1151 | bridge-arp-nd-suppress on | |
1152 | bridge-unicast-flood off | |
1153 | bridge-multicast-flood off | |
1154 | ||
1155 | auto vmbr2 | |
1156 | iface vmbr2 inet static | |
1157 | bridge_ports vxlan2 | |
1158 | bridge_stp off | |
1159 | bridge_fd 0 | |
1160 | address 10.0.2.254 | |
1161 | netmask 255.255.255.0 | |
1162 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr2 | |
1163 | vrf vrf1 | |
1164 | ||
1165 | auto vxlan3 | |
1166 | iface vxlan3 inet manual | |
1167 | vxlan-local-tunnelip 192.168.0.1 | |
1168 | bridge-learning off | |
1169 | bridge-arp-nd-suppress on | |
1170 | bridge-unicast-flood off | |
1171 | bridge-multicast-flood off | |
1172 | ||
1173 | auto vmbr3 | |
1174 | iface vmbr3 inet static | |
1175 | bridge_ports vxlan3 | |
1176 | bridge_stp off | |
1177 | bridge_fd 0 | |
1178 | address 10.0.3.254 | |
1179 | netmask 255.255.255.0 | |
1180 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr3 | |
1181 | vrf vrf1 | |
1182 | ||
1183 | #interconnect vxlan-vfr l3vni | |
1184 | auto vxlan4000 | |
1185 | iface vxlan4000 inet manual | |
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 | ||
1193 | auto vmbr4000 | |
1194 | iface vmbr4000 inet manual | |
1195 | bridge_ports vxlan4000 | |
1196 | bridge_stp off | |
1197 | bridge_fd 0 | |
1198 | hwaddress 44:39:39:FF:40:90 #must be different on each node | |
1199 | vrf vrf1 | |
1200 | ---- | |
1201 | ||
1202 | frr.conf | |
1203 | ||
1204 | ---- | |
1205 | vrf vrf1 | |
1206 | vni 4000 | |
1207 | ! | |
1208 | router bgp 1234 | |
1209 | bgp router-id 192.168.0.1 | |
1210 | no bgp default ipv4-unicast | |
1211 | coalesce-time 1000 | |
1212 | neighbor 192.168.0.2 remote-as 1234 | |
1213 | neighbor 192.168.0.3 remote-as 1234 | |
1214 | ! | |
1215 | address-family l2vpn evpn | |
1216 | neighbor 192.168.0.2 activate | |
1217 | neighbor 192.168.0.3 activate | |
1218 | advertise-all-vni | |
1219 | exit-address-family | |
1220 | ! | |
1221 | router bgp 1234 vrf vrf1 | |
1222 | ! | |
1223 | bgp router-id 192.168.0.1 | |
1224 | ! | |
1225 | address-family ipv4 unicast | |
1226 | redistribute connected | |
1227 | exit-address-family | |
1228 | ! | |
1229 | address-family l2vpn evpn | |
1230 | advertise ipv4 unicast | |
1231 | exit-address-family | |
1232 | ! | |
1233 | line vty | |
1234 | ! | |
1235 | ---- | |
1236 | ||
1237 | ||
1238 | * node2 | |
1239 | ||
1240 | ---- | |
1241 | auto vrf1 | |
1242 | iface vrf1 | |
1243 | vrf-table auto | |
1244 | ||
1245 | auto eno1 | |
1246 | iface eno1 inet manual | |
1247 | ||
1248 | auto vmbr0 | |
1249 | iface vmbr0 inet static | |
1250 | address 192.168.0.2 | |
1251 | netmask 255.255.255.0 | |
1252 | bridge_ports eno1 | |
1253 | bridge_stp off | |
1254 | bridge_fd 0 | |
1255 | ||
1256 | auto vxlan2 | |
1257 | iface vxlan2 inet manual | |
1258 | vxlan-local-tunnelip 192.168.0.2 | |
1259 | bridge-learning off | |
1260 | bridge-arp-nd-suppress on | |
1261 | bridge-unicast-flood off | |
1262 | bridge-multicast-flood off | |
1263 | ||
1264 | auto vmbr2 | |
1265 | iface vmbr2 inet static | |
1266 | bridge_ports vxlan2 | |
1267 | bridge_stp off | |
1268 | bridge_fd 0 | |
1269 | address 10.0.2.254 | |
1270 | netmask 255.255.255.0 | |
1271 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr2 | |
1272 | vrf vrf1 | |
1273 | ||
1274 | auto vxlan3 | |
1275 | iface vxlan3 inet manual | |
1276 | vxlan-local-tunnelip 192.168.0.2 | |
1277 | bridge-learning off | |
1278 | bridge-arp-nd-suppress on | |
1279 | bridge-unicast-flood off | |
1280 | bridge-multicast-flood off | |
1281 | ||
1282 | auto vmbr3 | |
1283 | iface vmbr3 inet static | |
1284 | bridge_ports vxlan3 | |
1285 | bridge_stp off | |
1286 | bridge_fd 0 | |
1287 | address 10.0.3.254 | |
1288 | netmask 255.255.255.0 | |
1289 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr3 | |
1290 | vrf vrf1 | |
1291 | ||
1292 | #interconnect vxlan-vfr l3vni | |
1293 | auto vxlan4000 | |
1294 | iface vxlan4000 inet manual | |
1295 | vxlan-local-tunnelip 192.168.0.2 | |
1296 | bridge-learning off | |
1297 | bridge-arp-nd-suppress on | |
1298 | bridge-unicast-flood off | |
1299 | bridge-multicast-flood off | |
1300 | ||
1301 | ||
1302 | auto vmbr4000 | |
1303 | iface vmbr4000 inet manual | |
1304 | bridge_ports vxlan4000 | |
1305 | bridge_stp off | |
1306 | bridge_fd 0 | |
1307 | hwaddress 44:39:39:FF:40:91 #must be different on each node | |
1308 | vrf vrf1 | |
1309 | ---- | |
1310 | ||
1311 | ||
1312 | frr.conf | |
1313 | ||
1314 | ---- | |
1315 | vrf vrf1 | |
1316 | vni 4000 | |
1317 | ! | |
1318 | router bgp 1234 | |
1319 | bgp router-id 192.168.0.2 | |
1320 | no bgp default ipv4-unicast | |
1321 | coalesce-time 1000 | |
1322 | neighbor 192.168.0.1 remote-as 1234 | |
1323 | neighbor 192.168.0.3 remote-as 1234 | |
1324 | ! | |
1325 | address-family l2vpn evpn | |
1326 | neighbor 192.168.0.1 activate | |
1327 | neighbor 192.168.0.3 activate | |
1328 | advertise-all-vni | |
1329 | exit-address-family | |
1330 | ! | |
1331 | router bgp 1234 vrf vrf1 | |
1332 | ! | |
1333 | bgp router-id 192.168.0.2 | |
1334 | ! | |
1335 | address-family ipv4 unicast | |
1336 | redistribute connected | |
1337 | exit-address-family | |
1338 | ! | |
1339 | address-family l2vpn evpn | |
1340 | advertise ipv4 unicast | |
1341 | exit-address-family | |
1342 | ! | |
1343 | line vty | |
1344 | ! | |
1345 | ---- | |
1346 | ||
1347 | ||
1348 | * node3 | |
1349 | ||
1350 | ---- | |
1351 | auto vrf1 | |
1352 | iface vrf1 | |
1353 | vrf-table auto | |
1354 | ||
1355 | auto eno1 | |
1356 | iface eno1 inet manual | |
1357 | ||
1358 | auto vmbr0 | |
1359 | iface vmbr0 inet static | |
1360 | address 192.168.0.3 | |
1361 | netmask 255.255.255.0 | |
1362 | bridge_ports eno1 | |
1363 | bridge_stp off | |
1364 | bridge_fd 0 | |
1365 | ||
1366 | auto vxlan2 | |
1367 | iface vxlan2 inet manual | |
1368 | vxlan-local-tunnelip 192.168.0.3 | |
1369 | bridge-learning off | |
1370 | bridge-arp-nd-suppress on | |
1371 | bridge-unicast-flood off | |
1372 | bridge-multicast-flood off | |
1373 | ||
1374 | auto vmbr2 | |
1375 | iface vmbr2 inet static | |
1376 | bridge_ports vxlan2 | |
1377 | bridge_stp off | |
1378 | bridge_fd 0 | |
1379 | address 10.0.2.254 | |
1380 | netmask 255.255.255.0 | |
1381 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr2 | |
1382 | vrf vrf1 | |
1383 | ||
1384 | auto vxlan3 | |
1385 | iface vxlan3 inet manual | |
1386 | vxlan-local-tunnelip 192.168.0.3 | |
1387 | bridge-learning off | |
1388 | bridge-arp-nd-suppress on | |
1389 | bridge-unicast-flood off | |
1390 | bridge-multicast-flood off | |
1391 | ||
1392 | auto vmbr3 | |
1393 | iface vmbr3 inet static | |
1394 | bridge_ports vxlan3 | |
1395 | bridge_stp off | |
1396 | bridge_fd 0 | |
1397 | address 10.0.3.254 | |
1398 | netmask 255.255.255.0 | |
1399 | hwaddress 44:39:39:FF:40:94 #must be same on each node vmbr3 | |
1400 | vrf vrf1 | |
1401 | ||
1402 | #interconnect vxlan-vfr l3vni | |
1403 | auto vxlan4000 | |
1404 | iface vxlan4000 inet manual | |
1405 | vxlan-local-tunnelip 192.168.0.3 | |
1406 | bridge-learning off | |
1407 | bridge-arp-nd-suppress on | |
1408 | bridge-unicast-flood off | |
1409 | bridge-multicast-flood off | |
1410 | ||
1411 | ||
1412 | auto vmbr4000 | |
1413 | iface vmbr4000 inet manual | |
1414 | bridge_ports vxlan4000 | |
1415 | bridge_stp off | |
1416 | bridge_fd 0 | |
1417 | hwaddress 44:39:39:FF:40:92 #must be different on each node | |
1418 | vrf vrf1 | |
1419 | ---- | |
1420 | ||
1421 | ||
1422 | frr.conf | |
1423 | ||
1424 | ---- | |
1425 | vrf vrf1 | |
1426 | vni 4000 | |
1427 | ! | |
1428 | router bgp 1234 | |
1429 | bgp router-id 192.168.0.3 | |
1430 | no bgp default ipv4-unicast | |
1431 | coalesce-time 1000 | |
1432 | neighbor 192.168.0.1 remote-as 1234 | |
1433 | neighbor 192.168.0.2 remote-as 1234 | |
1434 | ! | |
1435 | address-family l2vpn evpn | |
1436 | neighbor 192.168.0.1 activate | |
1437 | neighbor 192.168.0.2 activate | |
1438 | advertise-all-vni | |
1439 | exit-address-family | |
1440 | ! | |
1441 | router bgp 1234 vrf vrf1 | |
1442 | ! | |
1443 | bgp router-id 192.168.0.3 | |
1444 | ! | |
1445 | address-family ipv4 unicast | |
1446 | redistribute connected | |
1447 | exit-address-family | |
1448 | ! | |
1449 | address-family l2vpn evpn | |
1450 | advertise ipv4 unicast | |
1451 | exit-address-family | |
1452 | ! | |
1453 | line vty | |
1454 | ! | |
1455 | ---- |