Dynamic routes from OSPF disappear

[Gregor Kališnik]

Hi.

Got it, here it is:

Jun 25 20:17:46 drone05 bird: ospf1: LSUPD packet received from 10.16.0.1 via 
eth0
Jun 25 20:17:46 drone05 bird: ospf1:     length   108
Jun 25 20:17:46 drone05 bird: ospf1:     router   10.16.0.1
Jun 25 20:17:46 drone05 bird: ospf1:     LSA      Type: 0002, Id: 10.16.0.1, 
Rt: 10.16.0.1, Age: 3600, Seq: 80000001, Sum: ab4b
Jun 25 20:17:46 drone05 bird: ospf1:     LSA      Type: 0001, Id: 10.16.0.1, 
Rt: 10.16.0.1, Age: 1, Seq: 80000065, Sum: a69c
Jun 25 20:17:46 drone05 bird: ospf1: Scheduling routing table calculation
Jun 25 20:17:46 drone05 bird: ospf1: Going to remove LSA Type: 0002, Id: 
10.16.0.1, Rt: 10.16.0.1, Age: 3600, Seqno: 0x80000001
Jun 25 20:17:46 drone05 bird: ospf1: Starting routing table calculation
Jun 25 20:17:46 drone05 bird: ospf1: Starting routing table calculation for 
area 10.16.0.0
Jun 25 20:17:46 drone05 bird: ospf1: Starting routing table calculation for 
inter-area (area 10.16.0.0)
Jun 25 20:17:46 drone05 bird: ospf1: Starting routing table calculation for 
ext routes
Jun 25 20:17:46 drone05 bird: ospf1: Starting routing table synchronisation
Jun 25 20:17:46 drone05 bird: ospf1 > removed [replaced] 0.0.0.0/0 via 
10.16.0.1 on eth0
Jun 25 20:17:46 drone05 bird: Netlink: No such process
Jun 25 20:17:46 drone05 bird: ospf1 < rejected by protocol 0.0.0.0/0 via 
10.16.0.1 on eth0
Jun 25 20:17:46 drone05 bird: ospf1 > removed [sole] 10.16.0.0/12 dev eth0
Jun 25 20:17:46 drone05 bird: ospf1 > removed [sole] 10.16.2.1/32 via 
10.16.0.1 on eth0
Jun 25 20:17:46 drone05 bird: ospf1: HELLO packet sent via eth0
Jun 25 20:17:47 drone05 bird: ospf1: LSACK packet sent via eth0
Jun 25 20:17:47 drone05 bird: ospf1:     length   64
Jun 25 20:17:47 drone05 bird: ospf1:     router   10.16.8.1
Jun 25 20:17:47 drone05 bird: ospf1:     LSA      Type: 0002, Id: 10.16.0.1, 
Rt: 10.16.0.1, Age: 3600, Seq: 80000001, Sum: ab4b
Jun 25 20:17:47 drone05 bird: ospf1:     LSA      Type: 0001, Id: 10.16.0.1, 
Rt: 10.16.0.1, Age: 1, Seq: 80000065, Sum: a69c
Jun 25 20:17:50 drone05 bird: ospf1: HELLO packet received from 10.16.0.1 via 
eth0
Jun 25 20:17:51 drone05 bird: ospf1: Refreshing my LSA: Type: 1, Id: 
10.16.8.1, Rt: 10.16.8.1
Jun 25 20:17:51 drone05 bird: ospf1: LSUPD packet flooded via eth0
Jun 25 20:17:51 drone05 bird: ospf1:     length   112
Jun 25 20:17:51 drone05 bird: ospf1:     router   10.16.8.1
Jun 25 20:17:51 drone05 bird: ospf1:     LSA      Type: 0001, Id: 10.16.8.1, 
Rt: 10.16.8.1, Age: 1, Seq: 800000d2, Sum: 7c20
Jun 25 20:17:52 drone05 bird: ospf1: LSACK packet received from 10.16.0.1 via 
eth0
Jun 25 20:17:52 drone05 bird: ospf1:     length   44
Jun 25 20:17:52 drone05 bird: ospf1:     router   10.16.0.1
Jun 25 20:17:52 drone05 bird: ospf1:     LSA      Type: 0001, Id: 10.16.8.1, 
Rt: 10.16.8.1, Age: 1, Seq: 800000d2, Sum: 7c20

Best regards,
Gregor Kališnik

On Wednesday 25 of June 2014 17:41:19 Ondrej Zajicek wrote:
> On Wed, Jun 25, 2014 at 04:40:52PM +0200, Gregor Kališnik wrote:
> > Hi.
> > 
> > After some more investigation I've figured out that a LSA type 2 gets
> > removed. After it is removed, all routes from OSPF are removed. By
> > setting the connection as ptp should fix it (link was broadcast before).
> > 
> > Interface on the router has IP address 10.16.0.1/12 and on the server it
> > has 10.16.8.1/12. Server has a bridge (for LXC container) with
> > 10.16.8.1/22.
> > 
> > RouterOS' OSPF daemon is on 10.16.0.1/12 interface while bird is on
> > 10.16.8.1/12. As far as I know, this configuration should work as
> > broadcast.
> Hi
> 
> You could check whether both sides have the same idea of DR (designated
> router) and Backup DR. I have some reports about Mikrotik RouterOS vs. BIRD
> compatibility problems w.r.t. DR election, where both sides think the other
> side is DR. Workaround is to change network to PtP (if possible) or set
> different priority on both sided. BTW, RouterOS being the other OSPF router
> is the key information i missed in your original report.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 198 bytes
Desc: This is a digitally signed message part.
URL: <http://trubka.network.cz/pipermail/bird-users/attachments/20140625/589d1b9f/attachment-0001.asc>