29 Mar 2019, 18:57 by [email protected]:
> Hi,
>
> Has anyone encountered this before ?
>
> Neighbor AS MsgRcvd MsgSent OutQ Up/Down State/PrfRcvd
> EXT-V6-R2 65515 50 40 0 00:02:55 Active
> EXT-V4-R2 65515 38 37 0 00:27:42 1
> After approx just over 2 minutes, the V6 flaps, bu the V4 remains rock solid.
>
> The boxes are sitting right next to each other, connected over an OpenBSD
> LACP trunk.
>
> I have made the pf rules as simple as possible:
>
> table <my_router_interfaces> counters {self}
> table <bsd_friends> counters {192.0.2.1,2001:DB8::1}
> pass in quick proto {tcp,udp,icmp} from <bsd_friends> to
> <my_router_interfaces> modulate state
> pass out quick proto {tcp,udp,icmp} from <my_router_interfaces> to
> <bsd_friends> modulate state
>
> The bgpd config is also simple:
>
> MY_ROUTER_ID_V4="192.0.2.2"
> MY_ROUTER_ID_V6="2001:DB8::2"
> MY_ASN="64515"
> AS $MY_ASN
> router-id $MY_ROUTER_ID_V4
> rde med compare always
> network inet connected
> network inet6 connected
> group its_internal_v4 {
> remote-as 65515
> announce IPv6 none
> neighbor 192.0.2.1 {
> local-address 192.0.2.2
> descr "EXT-V4-R2"
> }
> }
> group its_internal_v6 {
> remote-as 65515
> announce IPv6 none
> neighbor 2001:DB8::1 {
> local-address 2001:DB8::2
> descr "EXT-V6-R2"
> }
> }
>
Forgive me, I forgot to include what shows in the logs:
sending IPv4 unicast EOR marker
received IPv4 unicast EOR marker
received notification: HoldTimer expired
state change Established -> Idle, reason: NOTIFICATION received
state change Idle -> Connect, reason: Start
state change Connect -> OpenSent, reason: Connection opened
state change OpenSent -> OpenConfirm, reason: OPEN message received
state change OpenConfirm -> Established, reason: KEEPALIVE message received
sending IPv4 unicast EOR marker
received IPv4 unicast EOR marker
