Sip Address As The Rp' Sip Address - Foundry Networks FESX Manual

Configuring IP Multicast Protocols
FastIron SuperX Router(config-msdp-router)# end
FastIron SuperX Router# reload
Syntax: [no] router msdp
NOTE: You must save the configuration and reload the software to place the change into effect.
Configuring MSDP Peers
To configure an MSDP peer, enter a command such as the following at the MSDP configuration level.
FastIron SuperX Router(config-msdp-router)# msdp-peer 205.216.162.1
Syntax: [no] msdp-peer <ip-addr> [connect-source loopback <num>]
The <ip-addr> parameter specifies the IP address of the neighbor.
The connect-source loopback <num> parameter specifies the loopback interface you want to use as the source
for sessions with the neighbor.
NOTE: It is strongly recommended that you use the connect-source loopback <num> parameter when issuing
the msdp-peer command. If you do not use this parameter, the Layer 3 Switch uses the sub-net interface
configured on the port.
Also, make sure the IP address of the connect-source loopback is the same as the source IP address used by the
MSDP router, the PIM-RP, and the BGP router.
The commands in the following example add an MSDP neighbor and specify a loopback interface as the source
interface for sessions with the neighbor. By default, the Layer 3 Switch uses the sub-net address configured on
the physical interface where you configure the neighbor as the source address for sessions with the neighbor.
FastIron SuperX Router(config)# interface loopback 1
FastIron SuperX Router(config-lbif-1)# ip address 9.9.9.9/32
FastIron SuperX Router(config-lbif-1)# interface ethernet 3/1
FastIron SuperX Router(config-if-3/1)# msdp-peer 2.2.2.99 connect-source loopback 1
Designating an Interface's IP Address as the RP's IP Address
When an RP receives a Source Active message, it checks its PIM Sparse multicast group table for receivers for
the group. If it finds a receiver, the RP sends a Join message for that receiver back to the RP that originated the
Source Active message. The originator RP is identified by its RP address.
By default, the IP address included in the RP address field of the SA message is the IP address of the originating
RP. Beginning with this release, an SA message can use the IP address of any interface on the originating RP.
(The interface is usually a loopback interface.)
To designate an interface's IP address to be the IP address of the RP, enter commands such as the following:
FastIron SuperX Router(config)# interface loopback 2
FastIron SuperX Router(config-lbif-2)# ip address 2.2.1.99/32
FastIron SuperX Router(config)# router msdp
FastIron SuperX Router(config-msdp-router)# originator-id loopback 2
FastIron SuperX Router(config-msdp-router)# exit
Syntax: [no] originator-id <type> <number>
The originator-id parameter instructs MSDP to use the specified address as the IP address of the RP in an SA
message. This address must be the address of the interface used to connect the RP to the source. There are no
default originator-ids.
The <type> parameter indicates the type of interface used by the RP. Ethernet, loopback and virtual routing
interfaces (ve) can be used.
December 2005 © Foundry Networks, Inc. 19 - 35