Configuring Unidirectional Link Routing

UDLR Configuration Examples

!

interface ethernet 1

ip address 10.5.1.1 255.255.255.0 ip pim sparse-mode

ip igmp mroute-proxy loopback 0

!

interface ethernet 2

ip address 10.6.1.1 255.255.255.0

Router C Configuration

ip pim rp-address 10.5.1.1 5

access-list 5 permit 239.0.0.0 0.255.255.255

!

interface ethernet 0

ip address 10.8.1.1 255.255.255.0 ip pim sparse-mode

!

interface ethernet 1

ip address 10.9.1.1 255.255.255.0 ip pim sparse-mode

Integrated UDLR Tunnel, IGMP UDLR, and IGMP Proxy Example

The following example shows how to configure UDLR tunnels, IGMP UDLR, and IGMP Proxy on both the upstream and downstream routers sharing a UDL:

Upstream Configuration

ip multicast-routing

!

!

!

interface Tunnel0

ip address 9.1.89.97 255.255.255.252 no ip directed-broadcast

tunnel source 9.1.89.97 tunnel mode gre multipoint tunnel key 5

tunnel udlr receive-only Ethernet2/3

!

interface Ethernet2/0 no ip address shutdown

!

!user network interface Ethernet2/1

ip address 9.1.89.1 255.255.255.240 no ip directed-broadcast

ip pim dense-mode ip cgmp

fair-queue 64 256 128 no cdp enable

ip rsvp bandwidth 1000 100

interface Ethernet2/2

ip address 9.1.95.1 255.255.255.240 no ip directed-broadcast

!physical send-only interface interface Ethernet2/3

ip address 9.1.92.100 255.255.255.240

Cisco IOS IP Configuration Guide

IPC-518

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Cisco Systems 78-11741-02 manual Integrated Udlr Tunnel, Igmp UDLR, and Igmp Proxy Example, Upstream Configuration, IPC-518