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• Each PIM-SM domain has zero or one multicast source and receiver. OSPF runs within each

domain to provide unicast routes.

• Loopback 0 of Switch B, Switch C, and Switch E must be configured as the C-BSR and C-RP of the

PIM-SM domains respectively.

• An MSDP peering relationship must be set up between Switch B and Switch C through eBGP, and

between Switch C and Switch E through iBGP.

Figure 58 Network diagram for inter-AS multicast configuration leveraging BGP routes

Vlan-int103

n-int20

Vlan-

int30

an-

int40

Device Interface IP address Device Interface IP address

Switch A Vlan-int103 10.110.1.2/24 Switch D Vlan-int104 10.110.4.2/24

Vlan-int100 10.110.2.1/24 Vlan-int300 10.110.5.1/24

Vlan-int200 10.110.3.1/24 Switch E Vlan-int105 10.110.6.1/24

Switch B Vlan-int103 10.110.1.1/24 Vlan-int102 192.168.3.2/24

Vlan-int101 192.168.1.1/24 Loop0 3.3.3.3/32

Loop0 1.1.1.1/32 Switch F Vlan-int105 10.110.6.2/24

Switch C Vlan-int104 10.110.4.1/24 Vlan-int400 10.110.7.1/24

Vlan-int102 192.168.3.1/24 Source 1 — 10.110.2.100/24

Vlan-int101 192.168.1.2/24 Source 2 — 10.110.5.100/24

Loop0 2.2.2.2/32

Configuration procedure

1. Configure IP addresses and unicast routing

Configure the IP address and subnet mask for each interface according to Figure 58 (details not shown).

Conf

igure OSPF for interconnection between switches in each AS. Ensure the network-layer

interoperation among each AS, and ensure the dynamic update of routing information between the

switches through a unicast routing protocol (details not shown).

2. Enable IP multicast routing, enable PIM-SM on each interface, and configure a PIM-SM domain

border

HP A5500 SI Switch Series User Manual

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