[Xorp-users] IPv6 multicast forwarding help needed

[Pavlin Radoslavov]

>   We are using two boxes with Live CD. We are trying to establish simple
> testing network with two clients and two routers between them.  One client
> sends multicast stream and the other client should be able to receive that
> stream. (we use VLC apllication). PIMSM6 & MLD seem to work, but there is
> no multicast forwarding ie. packets from stream reach inner interface but
> none are forwarded on outer interface.
> 
> 
> could someone send a sugesstion
> 
> here is our configuration:

A quick question. It appears that inside the "interface" and "mfea6"
sections you have enabled interfaces rl0 and rl1. However, inside
the "mld" section you have enabled rl1 only, and inside the "pimsm6"
you have enabled rl0 only. Is this mismatch intentional?
Typically, within "mld" and "pimsm6" you would enable both rl0 and rl1.

Regards,
Pavlin

> 
> ___________________________________________________________________________
> 
> 
> 
> /*XORP Configuration File*/
> interfaces {
>     interface rl0 {
>         description: "inner"
> 	enabled: true
> 	default-system-config
>         vif rl0 {
> 		enabled: true
>         }
>     }
>     interface rl1 {
>         description: "outer"
> 	enabled: true
> 	default-system-config
>         vif rl1 {
> 		enabled: true
>         }
>     }
>     interface lo0 {
>         description: "Loopback interface"
>         vif lo0 {
>         }
>     }
> }
> fea {
> 	enable-unicast-forwarding6: true
> }
> 
> protocols {
> 	static {
> 		route6 ::/0 {
> 			nexthop: 2001:b68:e201:2
> 			metric: 1
> 		}
> 	}
> }
> 
> plumbing {
> 	mfea6 {
> 		enabled: true
> 		interface rl0 {
> 			vif rl0 {
> 				enabled: true
> 			}
> 		}
> 		interface rl1 {
> 			vif rl1 {
> 				enabled: true
> 			}
> 		}
> 		interface register_vif {
> 			vif register_vif {
> 				enabled: true
> 			}
> 		}
> 		traceoptions {
> 			flag all {
> 				enabled: true
> 			}
> 		}
> 	}
> }
> protocols {
> 	mld {
> 		enabled: true
> 		interface rl1 {
> 			vif rl1 {
> 				enabled: true
> 			}
> 		}
> 		traceoptions {
> 			flag all {
> 				enabled: true
> 			}
> 		}
> 	}
> }
> protocols {
> 	pimsm6 {
> 		enabled: true
> 		interface rl0 {
> 			vif rl0 {
> 				enabled: true
> 				dr-priority: 1
> 			}
> 		}
> 		interface register_vif {
> 			vif register_vif {
> 				enabled: true
> 			}
> 		}
> 		static-rps {
> 			rp 2001:b68:e201::1 {
> 				group-prefix ff00::/8 {
> 					rp-priority: 192
> 					hash-mask-len: 126
> 				}
> 			}
> 		}
> 		switch-to-spt-threshold {
> 			enabled: true
> 			interval-sec: 100
> 			bytes: 102400
> 		}
> 		traceoptions {
> 			flag all {
> 				enabled: true
> 			}
> 		}
> 	}
> }
> protocols {
> 	fib2mrib {
> 		enabled: true
> 	}
> } 
> 
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