[Xorp-users] OSPF LSA trigger?

[Andy Bavier]

Mike,

I updated with the head last night so I should have the bug fix.  It 
would be great if you can send me a working sample configuration, maybe 
that will reveal my problem.  Also I'll try your other suggestions.

Thanks,
Andy

Mike Horn wrote:
> Hi Andy,
> 
> When did you download the CVS head?  There was a fix last week on 2/1 for
> bug 387 which was for OSPF not sending out an updated router-LSA when the
> link state of an interface that was included in OSPF changed.  I checked the
> fix yesterday and the router now correctly sends out LSA updates for link
> state changes.
> 
> You should also see a new router-LSA generated if you configure an interface
> to run OSPF, then commit, then add another interface to the OSPF
> configuration.  
> 
> Finally, another way to get OSPF to transmit an LSA is to create a policy
> redistributing static routes into OSPF, this will generate AS-external-LSAs.
> Let me know if you want a sample configuration.
> 
> -mike
> 
> -----Original Message-----
> From: xorp-users-admin@xorp.org [mailto:xorp-users-admin@xorp.org] On Behalf
> Of Andy Bavier
> Sent: Tuesday, February 07, 2006 2:04 PM
> To: Xorp-users@xorp.org
> Subject: [Xorp-users] OSPF LSA trigger?
> 
> Hi,
> 
> What triggers XORP's OSPF to send out a new LSA?  I'm running a test network
> of about 11 XORP routers built from the head of the CVS tree. 
> OSPF establishes adjacencies when the routers come up, configures the FIBs
> as expected, and continues to send out Hello messages over time. 
> However, when I commit a change in xorpsh (modify the interface cost, delete
> a neighbour, etc.), nothing much seems to happen.  For example, if I disable
> a neighbour's interface, then no more Hello messages are exchanged with it
> and eventually it is marked as Down -- but no new LSAs are generated, and
> the routes through that neighbour are not removed.
> 
> Is there some specific event that needs to be triggered before LSAs are
> sent?  Any ideas or tips?  I'm attaching a config file in case that's 
> useful.    The config may look weird -- I'm using XORP to control a 
> Click forwarder that's sitting on the other side of a TUN/TAP interface
> -- but everything is working except for the "dynamic" part of OSPF.
> 
> Thanks!
> Andy
>