Cisco Systems 78-11741-02 manual IPC-517, Ip igmp unidirectional link

Configuring Unidirectional Link Routing

UDLR Configuration Examples

Figure 85 IGMP Mroute Proxy Topology

10.1.1.1

Router A

	10.3.1.1	10.2.1.1
Internet		Unidirectional link
	10.6.1.1	10.2.1.2
		Router B
		10.5.1.1
		Local net

Router C

10.9.1.1

46458

Router A Configuration

interface ethernet 0

ip address 10.1.1.1 255.255.255.0 ip pim dense-mode

!

interface ethernet 1

ip address 10.2.1.1 255.255.255.0 ip pim dense-mode

ip igmp unidirectional link

!

interface ethernet 2

ip address 10.3.1.1 255.255.255.0

Router B Configuration

ip pim rp-address 10.5.1.1 5

access-list 5 permit 239.0.0.0 0.255.255.255.255

!

interface loopback 0

ip address 10.7.1.1 255.255.255.0 ip pim dense-mode

ip igmp helper-address udl ethernet 0 ip igmp proxy-service

!

interface ethernet 0

ip address 10.2.1.2 255.255.255.0 ip pim dense-mode

ip igmp unidirectional link

Cisco IOS IP Configuration Guide

IPC-517