3Com 5500G, 4210, 4200G manual Verifying the configuration

Models: 4210 5500 5500G 4200G

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Configuring PIM-DM plus IGMP 157

Configuration Procedure Configuring the interface IP addresses and unicast routing protocol for each switch

Configure the IP address and subnet mask for each interface as per Figure 40. The detailed configuration steps are omitted here.

Configure OSPF for interoperation among the switches in the PIM-DM domain. Ensure the network-layer interoperation among Switch A, Switch B, Switch C, and Switch D in the PIM-DM domain and enable dynamic update of routing information among the switches via unicast.

Enabling IP multicast routing and enabling PIM-DM on each interface

#Enable IP multicast routing on Switch A, enable PIM-DM on each interface, and enable IGMP on VLAN-interface 100, which connects Switch A to the stub network.

<SwitchA> system-view

[SwitchA] multicast routing-enable

[SwitchA] interface vlan-interface 100 [SwitchA-Vlan-interface100] igmp enable

[SwitchA-Vlan-interface100] pim dm

[SwitchA-Vlan-interface100] quit [SwitchA] interface vlan-interface 103 [SwitchA-Vlan-interface103] pim dm

[SwitchA-Vlan-interface103] quit

The configuration on Switch B and Switch C is similar to the configuration on

Switch A.

# Enable multicast routing on Switch D, and enable PIM-DM on each interface.

<SwitchD> system-view

[SwitchD] multicast routing-enable

[SwitchD] interface vlan-interface 300 [SwitchD-Vlan-interface300] pim dm

[SwitchD-Vlan-interface300] quit [SwitchD] interface vlan-interface 103 [SwitchD-Vlan-interface103] pim dm

[SwitchD-Vlan-interface103] quit [SwitchD] interface vlan-interface 101 [SwitchD-Vlan-interface101] pim dm

[SwitchD-Vlan-interface101] quit [SwitchD] interface vlan-interface 102 [SwitchD-Vlan-interface102] pim dm

[SwitchD-Vlan-interface102] quit

Verifying the configuration

Carry out the display pim neighbor command to view the PIM neighboring relationships among the switches. For example:

# View the PIM neighboring relationships on Switch D.

[SwitchD] display pim neighbor

 

 

Neighbor’s Address

Interface Name

Uptime

Expires

192.168.1.1

Vlan-interface1

00:47:08

00:01:39

192.168.2.1

Vlan-interface1

00:48:05

00:01:29

192.168.3.1

Vlan-interface1

00:49:08

00:01:34

Page 157
Image 157
3Com 5500G, 4210, 4200G manual Verifying the configuration