Users Guide

Sample conguration on core:
core# configure terminal
core(config)# ip multicast-routing
core(config)# ip pim rp-address 103.0.0.3 group-address 224.0.0.0/4
core(config)# router ospf 100
core(config-router-ospf-100)# exit
core(config)# interface ethernet 1/1/32:1
core(conf-if-eth1/1/32:1)# no shutdown
core(conf-if-eth1/1/32:1)# no switchport
core(conf-if-eth1/1/32:1)# ip address 16.0.0.1/24
core(conf-if-eth1/1/32:1)# flowcontrol receive off
core(conf-if-eth1/1/32:1)# ip pim sparse-mode
core(conf-if-eth1/1/32:1)# ip ospf 100 area 0.0.0.0
core(conf-if-eth1/1/32:1)# exit
core(config)# interface vlan 12
core(conf-if-vl-12)# no shutdown
core(conf-if-vl-12)# ip address 12.0.0.3/24
core(conf-if-vl-12)# ip pim sparse-mode
core(conf-if-vl-12)# ip pim dr-priority 1000
core(conf-if-vl-12)# ip ospf 100 area 0.0.0.0
core(conf-if-vl-12)# exit
core(config)# interface loopback 103
core(conf-if-lo-103)# no shutdown
core(conf-if-lo-103)# ip address 103.0.0.3/32
core(conf-if-lo-103)# ip pim sparse-mode
core(conf-if-lo-103)# ip ospf 100 area 0.0.0.0
core(conf-if-lo-103)# exit
PIM neighbors of core and the interface to reach the neighbors
The show ip pim neighbor command displays the PIM neighbors of core and the interface to reach the neighbors.
core# show ip pim neighbor
Neighbor Address Interface Uptime/Expires Ver DR Priority / Mode
----------------------------------------------------------------------
12.0.0.1 vlan12 00:01:06/00:01:43 v2 10 / S
12.0.0.2 vlan12 00:01:03/00:01:42 v2 10 / S
PIM states in core
The output of the show ip pim tib command.
core# show ip pim tib
PIM Multicast Routing Table
Flags: S - Sparse, C - Connected, L - Local, P - Pruned,
R - RP-bit set, F - Register Flag, T - SPT-bit set, J - Join SPT,
K - Ack-Pending state
Timers: Uptime/Expires
Interface state: Interface, next-Hop, State/Mode
(*, 225.1.1.1), uptime 00:04:16, expires 00:00:00, RP 103.0.0.3, flags: S
Incoming interface: Null, RPF neighbor 0.0.0.0
Outgoing interface list:
vlan12 Forward/Sparse 00:04:16/00:03:13
The following show command output displays trac after ow is initiated:
The show ip pim tib command output displays the PIM tree information base (TIB).
core# show ip pim tib
PIM Multicast Routing Table
Multicast
755