Avaya G250 Administration page 324

Media gateway

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Table of Contents

Configuring the router

Figure 34: Nested Tunneling Example

The following are recommended ways to avoid nested tunneling:

Announce policy.

Configure a policy rule on the receiving tunnel endpoint (router 2) that will cause the

receiving endpoint to block advertisements of the source network (192.68.1.0) in its routing

updates. This will prevent the source endpoint (router 1) from learning the route. This

solution is for nested tunneling caused by RIP. For example, using the network shown in

activate it on the router RIP with the matching interface:

G350-001(super)# ip distribution access-list-name 1 "list #1"

G350-001(super)# ip distribution access-default-action 1 default-action-permit

G350-001(super)# ip distribution access-list 1 10 "deny" 192.68.1.0 0.0.0.255

G350-001(super)# router rip

G350-001(super router:rip)# distribution-list 1 out FastEthernet 10/2

G350-001(super router:rip)# exit

G350-001(super)#

324 Administration for the Avaya G250 and Avaya G350 Media Gateways

ROUTING TABLE

192.68.1.0 255.255.255.0 Tunnel 1

as an illustration, you would configure the following policy rule on router 2 and

Internet/Intranet