Users Guide
Sample configuration in LHR node:
LHR# configure terminal
LHR(config)# ip multicast-routing
LHR(config)# interface ethernet 1/1/17
LHR(conf-if-eth1/1/17)#
LHR(conf-if-eth1/1/17)# no switchport
LHR(conf-if-eth1/1/17)# ip address 1.1.1.1/24
LHR(conf-if-eth1/1/17)# ip pim sparse-mode
LHR(conf-if-eth1/1/17)# ip ospf 1 area 0
LHR(conf-if-eth1/1/17)# exit
LHR(config)#
LHR(config)# interface ethernet 1/1/29
LHR(conf-if-eth1/1/29)# no switchport
LHR(conf-if-eth1/1/29)# ip address 2.2.2.1/24
LHR(conf-if-eth1/1/29)# ip pim sparse-mode
LHR(conf-if-eth1/1/29)# ip ospf 1 area 0
LHR(conf-if-eth1/1/29)# exit
LHR(config)#
LHR(config)# ip pim rp-address 192.168.1.25 group-address 224.0.0.0/4
LHR(config)# end
LHR(config)# interface vlan 2001
LHR(conf-if-vl-2001)# no shutdown
LHR(conf-if-vl-2001)# ip address 15.1.1.1/24
LHR(conf-if-vl-2001)# ip pim sparse-mode
LHR(conf-if-vl-2001)# ip ospf 1 area 0
LHR(conf-if-vl-2001)# exit
LHR(config)#
LHR(config)# interface ethernet 1/1/38
LHR(conf-if-eth1/1/38)# switchport mode trunk
LHR(conf-if-eth1/1/38)# no switchport access vlan
LHR(conf-if-eth1/1/38)# switchport trunk allowed vlan 2001
LHR(conf-if-eth1/1/38)# exit
LHR# configure terminal
LHR(config)# router ospf 1
LHR(config-router-ospf-1)# end
The show ip pim interface command displays the PIM-enabled interfaces in LHR.
LHR# show ip pim interface
Address Interface Ver/Mode Nbr Count Query Intvl DR Prio DR
----------------------------------------------------------------------------
2.2.2.1 ethernet1/1/1 v2/S 1 30 1 2.2.2.2
1.1.1.1 ethernet1/1/26:1 v2/S 1 30 1 1.1.1.2
15.1.1.1 vlan2001 v2/S 0 30 1 15.1.1.1
The show ip pim neighbor command displays the PIM neighbor of LHR and the interface to reach the neighbor.
LHR# show ip pim neighbor
Neighbor Address Interface Uptime/Expires Ver DR Priority/Mode
---------------------------------------------------------------------
2.2.2.2 ethernet1/1/17 00:02:58/00:01:24 v2 1 / DR S
1.1.1.2 ethernet1/1/29 00:07:49/00:01:31 v2 1 / DR S
LHR# show ip pim rp mapping
Group(s) : 224.0.0.0/4, Static
RP : 192.168.1.25, v2
The following show command output examples display the PIM states across all nodes after IGMP join and multicast traffic is
received.
PIM states in FHR node
The show ip pim tib command output displays the PIM tree information base (TIB).
FHR# 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
Multicast
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