[Xorp-users] PIM-SM in xorp cvs

Pavlin Radoslavov pavlin at icir.org
Tue Aug 22 16:48:10 PDT 2006


Otto Solares <solca at guug.org> wrote:

> On Tue, Aug 22, 2006 at 09:13:30AM -0700, Pavlin Radoslavov wrote:
> > > Sorry I get this errors too don't know why are they triggered:
> > > 
> > > [ 2006/08/22 07:39:25  ERROR xorp_fea:15938 MFEA +2236 mfea_proto_comm.cc proto_socket_write ] sendmsg(proto 103 size 28 from 192.168.10.1 to 200.0.204.169 on vif eth3.10) failed: Operation not permitted
> > > [ 2006/08/22 07:39:25 WARNING xorp_fea XrlMfeaTarget ] Handling method for mfea/0.1/send_protocol_message4 failed: XrlCmdError 102 Command failed Cannot send PIMSM_4 protocol message from 192.168.10.1 to 200.0.204.169 on vif eth3.10: sendmsg(proto 103 size 28 from 192.168.10.1 to 200.0.204.169 on vif eth3.10) failed: Operation not permitted
> > > [ 2006/08/22 07:39:25  ERROR xorp_pimsm4:15943 PIM +2623 xrl_pim_node.cc mfea_client_send_protocol_message_cb ] Cannot send a protocol message: 102 Command failed Cannot send PIMSM_4 protocol message from 192.168.10.1 to 200.0.204.169 on vif eth3.10: sendmsg(proto 103 size 28 from 192.168.10.1 to 200.0.204.169 on vif eth3.10) failed: Operation not permitted
> > 
> > Do you have any firewall rules installed?
> 
> Yes, in fact is a router/firewall.
> 
> > E.g., I found the following email from someone who was having a
> > similar problem that was fixed by fixing some of the firewall rules,
> > though it was on FreeBSD:
> > http://lists.freebsd.org/pipermail/freebsd-pf/2006-June/002260.html
> 
> I'm pretty sure all PIM/IGMP traffic (incomming, outgoing and forwarded)
> is accepted.

As indicated in the above cited email, the problem that person had
was fixed by appending "allow-opts" to the relevant rules.
This might not apply for your case, but is something to start
looking at. The simplest thing to do is to disable all firewall
rules (for testing purpose).

> > Also, do you have a matching forwarding entry for destination
> > 200.0.204.169?
> 
> Nope, it can reach that IP by means of the default gateway.

OK. The default forwarding entry is also a matching forwarding entry
:)

Regards,
Pavlin



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