[Xorp-users] Xorp 1.5 can't add multicast vif

[Matt Stevens]

Pavlin Radoslavov wrote:
> Matt Stevens <matts at redcondor.com> wrote:
> 
>> I'm trying to migrate a working config from 1.4 to 1.5, but running into 
>> the following problem.
> 
> I guess you are running the latest code from anon. CVS.
> Accidentally this morning I found exactly same problem,
> so I am working on it right now.
> FYI, the problem is in the ./configure mechanism that
> discovers whether multicast routing is supported.
> Few days ago I probably broke it for older Linux kernels while
> trying to get it working for the latest 2.6.26 kernel.
> 
> Pavlin
> 
>> 2008/08/20 13:50:11 INFO xorp_fea MFEA ] MFEA started
>> [ 2008/08/20 13:50:11 INFO xorp_fea MFEA ] Interface enabled Vif[eth0] 
>> pif_index: 3 vif_index: 0 addr: 208.80.200.6 subnet: 208.80.200.0/24 
>> broadcast: 208.80.200.255 peer: 0.0.0.0 Flags: MULTICAST BROADCAST 
>> UNDERLYING_VIF_UP MTU: 1500 DOWN IPv4 ENABLED
>> [ 2008/08/20 13:50:11  ERROR xorp_fea:11223 MFEA +1081 mfea_mrouter.cc 
>> add_multicast_vif ] add_multicast_vif() failed: IPv4 multicast routing 
>> not supported
>> [ 2008/08/20 13:50:11  ERROR xorp_fea:11223 MFEA +1186 mfea_node.cc 
>> start_vif ] Cannot start vif eth0: cannot add the multicast vif to the 
>> kernel
>> [ 2008/08/20 13:50:11 WARNING xorp_fea XrlMfeaTarget ] Handling method 
>> for mfea/0.1/start_vif failed: XrlCmdError 102 Command failed Cannot 
>> start vif eth0: cannot add the multicast vif to the kernel
>> [ 2008/08/20 13:50:11  ERROR xorp_rtrmgr:10896 RTRMGR +681 
>> master_conf_tree.cc commit_pass2_done ] Commit failed: 102 Command 
>> failed Cannot start vif eth0: cannot add the multicast vif to the kernel
>>
>> This same config works fine on 1.4 - and I've tried starting with a 
>> blank config and adding bits in. As soon as I configure my plumbing 
>> things go south...
>>
>> My running kernel is 2.6.18.8-0.10
>> -- 
>> matt
>>
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> 

Yeah. I picked up the cvs version for the build issue we talked about 
yesterday.

Sounds like I need to apply the patch you sent to the 1.5 release 
instead of using cvs :-)

Thanks for letting me know before I spent too long chasing things!
-- 
matt