[Xorp-users] Testing XORP in a Multicasting Environment

[Vikram]

I have configured the interfaces in both ways ie before starting XORP
and also within the XORP configuration. I m attaching the XORP
configuration file that I m using. What are the other possible issues?

On 12/12/06, Pavlin Radoslavov <pavlin at icir.org> wrote:
> Vikram <vikram.dhir at gmail.com> wrote:
>
> > I am trying to run XORP with your configuration but XORP exits giving
> > some errors. The errors are attached with this mail.
>
> The problematic error is the following:
>
> [ 2006/12/12 12:04:58 INFO xorp_fea MFEA ] Interface enabled
> Vif[eth1] pif_index: 3 vif_index: 1 addr: 192.168.1.1 subnet: 192.168.1.0/24
> broadcast: 192.168.1.255 peer: 0.0.0.0 Flags: MULTICAST BROADCAST
> MTU: 1500 DOWN IPv4 ENABLED
> [ 2006/12/12 12:04:58  ERROR xorp_fea:4919 MFEA +910 mfea_node.cc
> start_vif ] Cannot start vif eth1: underlying vif is not UP
>
> Please make sure that the eth1 interface is UP before starting XORP.
> Alternatively, explicitly configure the IP address of that interface
> inside the XORP configuration. See the XORP user manual for details
> how to do that.
>
> Regards,
> Pavlin
>
>
> >
> > On 12/11/06, Pavlin Radoslavov <pavlin at icir.org> wrote:
> > > > I am trying to run XORP in a multicasting environment. I m using RH9
> > > > and my PC is on a LAN. I m running XORP on my PC. Whats the minimum
> > > > configuration required to do that? and how do I test that multicasting
> > > > is working fine? Do I have to make changes in the default kernel?
> > >
> > > It is not clear from your email whether your PC is connected to 2+
> > > LANs and will serve as a multicast router, or whether it is a leaf
> > > node connected to a single LAN segment. If the latter, then it is
> > > unclear what purpose your PC will have on that LAN, because some
> > > other node is suppose to be the multicast router for that LAN.
> > >
> > > Anyway, at the end of this email is a sample configuration that
> > > enables IGMP and PIM-SM. The configuration assumes:
> > > 1. There are two network interfaces (eth0 and eth1), and those
> > >    interfaces have configured IP addresses before starting XORP.
> > > 2. The IP address of one of the interfaces is 10.0.0.1.
> > >
> > > See the XORP user manual for configuration details.
> > >
> > > To test whether the multicast routing is working, start a multicast
> > > sender and a multicast receiver (on separate LANs interconnected by
> > > the multicast routers). However, make sure the TTL of the sender is
> > > large enough to reach the receiver (the default multicast TTL is 1).
> > >
> > > In general, the PIM-SM support must be enabled in the UNIX kernel.
> > > Though, I don't know whether the RedHat 9 kernel has PIM-SM support
> > > enabled by default. If the PIM-SM support is not enabled, then see
> > > Section 13.3 "Configuring PIM-SM" in the XORP user manual regarding
> > > the kernel configuration options you need to enable before
> > > recompiling your kernel.
> > >
> > > Regards,
> > > Pavlin
> > >
> > > ================================================================
> > >
> > > interfaces {
> > >     interface eth0 {
> > >         default-system-config
> > >     }
> > >     interface eth1 {
> > >         default-system-config
> > >     }
> > > }
> > >
> > > plumbing {
> > >     mfea4 {
> > >         interface eth0 {
> > >             vif eth0 {
> > >                 disable: false
> > >             }
> > >         }
> > >         interface eth1 {
> > >             vif eth1 {
> > >                 disable: false
> > >             }
> > >         }
> > >         interface register_vif {
> > >             vif register_vif {
> > >                 disable: false
> > >             }
> > >         }
> > >     }
> > > }
> > >
> > > protocols {
> > >     igmp {
> > >         interface eth0 {
> > >             vif eth0 {
> > >                 disable: false
> > >             }
> > >         }
> > >         interface eth1 {
> > >             vif eth1 {
> > >                 disable: false
> > >             }
> > >         }
> > >     }
> > >
> > >     pimsm4 {
> > >         interface eth0 {
> > >             vif eth0 {
> > >                 disable: false
> > >             }
> > >         }
> > >         interface eth1 {
> > >             vif eth1 {
> > >                 disable: false
> > >             }
> > >         }
> > >         interface register_vif {
> > >             vif register_vif {
> > >                 disable: false
> > >             }
> > >         }
> > >
> > > 	static-rps {
> > > 	    rp 10.0.0.1 {
> > > 		group-prefix 224.0.0.0/4 {
> > > 		}
> > > 	    }
> > > 	}
> > >     }
> > >
> > >     fib2mrib {
> > >         disable: false
> > >     }
> > > }
> > >
> > > ================================================================
> > >
> > _______________________________________________
> > Xorp-users mailing list
> > Xorp-users at xorp.org
> > http://mailman.ICSI.Berkeley.EDU/mailman/listinfo/xorp-users
>
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