"match evpn" in route-map is broken since 8.5.0
https://github.com/FRRouting/frr/issues/14419
the patch
https://github.com/FRRouting/frr/commit/
272c6d5db128ff7450fe9fcd16c046160594deb3
is converting type-2 && type-5 evpn routes to prefix-prefix.
(fixing prefix-list not working previously, but breaking "match evpn")
So, simply use prefix-list now, as "match epvn" was a workaround anyway.
reported on the forum, where user have routing loop between the 2 exit-nodes:
https://forum.proxmox.com/threads/sdn-with-evpn-controller-routing-loop-when-using-multiple-exit-nodes.137362/
Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
if ($is_gateway) {
+ $config->{frr_prefix_list}->{'only_default'}->{1} = "permit 0.0.0.0/0";
+ $config->{frr_prefix_list_v6}->{'only_default_v6'}->{1} = "permit ::/0";
+
if (!$exitnodes_primary || $exitnodes_primary eq $local_node) {
- #filter default type5 route coming from other exit nodes on primary node or both nodes if no primary is defined.
+ #filter default route coming from other exit nodes on primary node or both nodes if no primary is defined.
+ my $routemap_config_v6 = ();
+ push @{$routemap_config_v6}, "match ip address prefix-list only_default_v6";
+ my $routemap_v6 = { rule => $routemap_config_v6, action => "deny" };
+ unshift(@{$config->{frr_routemap}->{'MAP_VTEP_IN'}}, $routemap_v6);
+
my $routemap_config = ();
- push @{$routemap_config}, "match evpn vni $vrfvxlan";
- push @{$routemap_config}, "match evpn route-type prefix";
+ push @{$routemap_config}, "match ip address prefix-list only_default";
my $routemap = { rule => $routemap_config, action => "deny" };
unshift(@{$config->{frr_routemap}->{'MAP_VTEP_IN'}}, $routemap);
+
} elsif ($exitnodes_primary ne $local_node) {
+ my $routemap_config_v6 = ();
+ push @{$routemap_config_v6}, "match ipv6 address prefix-list only_default_v6";
+ push @{$routemap_config_v6}, "set metric 200";
+ my $routemap_v6 = { rule => $routemap_config_v6, action => "permit" };
+ unshift(@{$config->{frr_routemap}->{'MAP_VTEP_OUT'}}, $routemap_v6);
+
my $routemap_config = ();
- push @{$routemap_config}, "match evpn vni $vrfvxlan";
- push @{$routemap_config}, "match evpn route-type prefix";
+ push @{$routemap_config}, "match ip address prefix-list only_default";
push @{$routemap_config}, "set metric 200";
my $routemap = { rule => $routemap_config, action => "permit" };
unshift(@{$config->{frr_routemap}->{'MAP_VTEP_OUT'}}, $routemap);
- }
-
+ }
if (!$exitnodes_local_routing) {
@controller_config = ();
exit-address-family
exit
!
+ip prefix-list only_default seq 1 permit 0.0.0.0/0
+!
+ipv6 prefix-list only_default_v6 seq 1 permit ::/0
+!
route-map MAP_VTEP_IN deny 1
- match evpn vni 1000
- match evpn route-type prefix
+ match ip address prefix-list only_default
+exit
+!
+route-map MAP_VTEP_IN deny 2
+ match ip address prefix-list only_default_v6
exit
!
-route-map MAP_VTEP_IN permit 2
+route-map MAP_VTEP_IN permit 3
exit
!
route-map MAP_VTEP_OUT permit 1
exit-address-family
exit
!
+ip prefix-list only_default seq 1 permit 0.0.0.0/0
+!
+ipv6 prefix-list only_default_v6 seq 1 permit ::/0
+!
route-map MAP_VTEP_IN deny 1
- match evpn vni 1000
- match evpn route-type prefix
+ match ip address prefix-list only_default
+exit
+!
+route-map MAP_VTEP_IN deny 2
+ match ip address prefix-list only_default_v6
exit
!
-route-map MAP_VTEP_IN permit 2
+route-map MAP_VTEP_IN permit 3
exit
!
route-map MAP_VTEP_OUT permit 1
exit-address-family
exit
!
+ip prefix-list only_default seq 1 permit 0.0.0.0/0
+!
+ipv6 prefix-list only_default_v6 seq 1 permit ::/0
+!
route-map MAP_VTEP_IN permit 1
exit
!
route-map MAP_VTEP_OUT permit 1
- match evpn vni 1000
- match evpn route-type prefix
+ match ip address prefix-list only_default
set metric 200
exit
!
route-map MAP_VTEP_OUT permit 2
+ match ipv6 address prefix-list only_default_v6
+ set metric 200
+exit
+!
+route-map MAP_VTEP_OUT permit 3
exit
!
line vty
exit-address-family
exit
!
+ip prefix-list only_default seq 1 permit 0.0.0.0/0
+!
+ipv6 prefix-list only_default_v6 seq 1 permit ::/0
+!
route-map MAP_VTEP_IN deny 1
- match evpn vni 1000
- match evpn route-type prefix
+ match ip address prefix-list only_default
+exit
+!
+route-map MAP_VTEP_IN deny 2
+ match ip address prefix-list only_default_v6
exit
!
-route-map MAP_VTEP_IN permit 2
+route-map MAP_VTEP_IN permit 3
exit
!
route-map MAP_VTEP_OUT permit 1
exit-address-family
exit
!
+ip prefix-list only_default seq 1 permit 0.0.0.0/0
+!
+ipv6 prefix-list only_default_v6 seq 1 permit ::/0
+!
route-map MAP_VTEP_IN deny 1
- match evpn vni 1001
- match evpn route-type prefix
+ match ip address prefix-list only_default
exit
!
route-map MAP_VTEP_IN deny 2
- match evpn vni 1000
- match evpn route-type prefix
+ match ip address prefix-list only_default_v6
+exit
+!
+route-map MAP_VTEP_IN deny 3
+ match ip address prefix-list only_default
+exit
+!
+route-map MAP_VTEP_IN deny 4
+ match ip address prefix-list only_default_v6
exit
!
-route-map MAP_VTEP_IN permit 3
+route-map MAP_VTEP_IN permit 5
exit
!
route-map MAP_VTEP_OUT permit 1