BIRDv2: OSPFv3: vrf stub interface not recognized

bauen1 j2468h at googlemail.com
Thu Apr 18 12:17:41 CEST 2019


Hi again,

Now that OSPF stub networks work on loopback and dummy interfaces work
again, I've run across another Issue, OSPFv3 refuses to recognize any
networks on a vrf interface, even with a ipv6-ll adress added.

I'm not entirely sure if I'm even supposed to add addresses to the vrf
interface, but as far as I know, I can just use the vrf interface for
the router ip (normally the job of loopback).


BIRD v2.0.4-10-g6ff81197 ready.
bird> show interfaces
lo up (index=1)
        MultiAccess AdminUp LinkUp Loopback Ignored MTU=65536
        127.0.0.1/8 (Preferred, scope host)
        10.30.0.54/32 (scope site)
        ::1/128 (Preferred, scope host)
        fe80::1/128 (Preferred, scope link)
enp1s0 up (index=2)
        MultiAccess Broadcast Multicast AdminUp LinkUp MTU=1500
        10.30.0.54/24 (Preferred, scope site)
        fe80::5054:ff:fe01:ea75/64 (Preferred, scope link)
        fdde:e540:e627:0:5054:ff:fe01:ea75/64 (Preferred, scope site)
enp7s0 up (index=3)
        MultiAccess Broadcast Multicast AdminUp LinkUp MTU=1500
        169.254.169.2/32 (Preferred, opposite 169.254.169.254, scope univ)
        fe80::5054:ff:fe15:9119/64 (Preferred, scope link)
dummy0 down (index=6)
        MultiAccess Broadcast Multicast AdminDown LinkDown MTU=1500
dn42 up (index=8)
        MultiAccess AdminUp LinkUp MTU=65536
        172.20.18.226/32 (Preferred, scope site)
        172.20.10.0/24 (scope site)
        fe80::1111:1111:1111:1111/64 (Preferred, scope link)
enp8s0 up (index=4 master=dn42)
        MultiAccess Broadcast Multicast AdminUp LinkUp MTU=1500
        169.254.254.1/32 (Preferred, opposite 169.254.254.2, scope univ)
        fe80::5054:ff:feec:af5/64 (Preferred, scope link)
bird> show ospf interface ospf1
ospf1: Not a protocol
bird> show ospf interface dn42_ospf_ip4
dn42_ospf_ip4:
Interface enp8s0 (IID 64)
        Type: ptp
        Area: 0.0.0.0 (0)
        State: PtP
        Priority: 1
        Cost: 10
        ECMP weight: 1
        Hello timer: 10
        Wait timer: 40
        Dead timer: 40
        Retransmit timer: 5
bird>


important part of bird.conf

protocol ospf v3 dn42_ospf_ip4 {

    vrf "dn42";

    ipv4 {

        table dn42

    };

    area 0.0.0.0 {

        interface "dn42" {

            stub yes;       

        };

    };

};


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