OSPFv3 and logging (debug)

[Alexander V. Chernikov]

On 05.12.2013 09:14, Dmitry S. Nikolaev wrote:
> Hello.
> 
> Does anyone use OSPFv3 ?
> My question is about monitoring.
Hello.

Please try an attached patch.
> 
> We use OSPFv3 over tunnels and have more than one tunnel to one endpoint
> over different Inet channels (different providers):
> So, as example this is config of one of the side:
> protocol ospf office {
>         debug { states, interfaces, events };
>         tick 1;
>         rfc1583compat yes;
>         area 0.0.0.0 {
>                 stub no;
>                 interface "ng2" {
>                         cost 5;
>                         type pointopoint;
>                         hello 10;
>                         retransmit 3;
>                         transmit delay 5;
>                         dead count 3;
>                         wait 40;
>                 };
>                 interface "ng0" {
>                         cost 10;
>                         type pointopoint;
>                         hello 10;
>                         retransmit 3;
>                         transmit delay 5;
>                         dead count 3;
>                         wait 40;
>                 };
>                 interface "ng1" {
>                         cost 30;
>                         type pointopoint;
>                         hello 10;
>                         retransmit 3;
>                         transmit delay 5;
>                         dead count 3;
>                         wait 40;
>                 };
>         };
>         import filter ospfIN;
>         export filter ospfOUT;
> }
> 
> Show OSPF neighbors:
> # birdc6
> BIRD 1.3.11 ready.
> bird> show ospf neighbors
> office:
> Router ID       Pri          State      DTime   Interface  Router IP
> 1.1.1.1   1         full/ptp    00:30   ng1        fe80::224:1dff:feb3:720
> 1.1.1.1   1         full/ptp    00:29   ng2        fe80::224:1dff:feb3:720
> 1.1.1.1   1         full/ptp    00:30   ng0        fe80::224:1dff:feb3:720
> 
> When any OSPF neighbor goes down/up then in log appear:
> Neighbor fe80::224:1dff:feb3:720 changes state from "    full" to "   
> init".
> Neighbor fe80::224:1dff:feb3:720 changes state from "    init" to "   
> 2way".
> Neighbor fe80::224:1dff:feb3:720 changes state from "    2way" to "
> exstart".
> Neighbor fe80::224:1dff:feb3:720 changes state from " exstart" to
> "exchange".
> Neighbor fe80::224:1dff:feb3:720 changes state from "exchange" to "
> loading".
> Neighbor fe80::224:1dff:feb3:720 changes state from " loading" to "   
> full".
> 
> But OSPFv3 use link-local address for adjacency and not global IP on the
> tunnel, example:
> ng0: flags=88d1<UP,POINTOPOINT,RUNNING,NOARP,SIMPLEX,MULTICAST> metric 0
> mtu 1500
>         inet 10.255.255.1 --> 10.255.255.2 netmask 0xffffffff
>         inet6 fe80::224:1dff:feb3:720%ng0 prefixlen 64 scopeid 0x12
>         inet6 2001:XXX:XXXX:XXX::1:1 --> 2001:XXX:XXXX:XXX::1:2
> prefixlen 128
>         nd6 options=3<PERFORMNUD,ACCEPT_RTADV>
> 
> Thus it is impossible to understand exactly what neighbor (over what
> tunnel) change it`s state because there is no iface name in log.
> So monitoring system can say that some neighbor down/up but can`t say
> over what tunnel this neighbor was working :(
> 
> Who faced with the same task ? How to solve?
> Thanks.
> 
> P.S. Sorry for my english.
> 

-------------- next part --------------
A non-text attachment was scrubbed...
Name: ospf3_nei.diff
Type: text/x-patch
Size: 791 bytes
Desc: not available
URL: <http://trubka.network.cz/pipermail/bird-users/attachments/20131206/968e01bd/attachment-0001.bin>