
Configuring and Customizing IGMP
117355-D Rev 00
3-27
Using Site Manager
To specify the lifetime of an Mtrace cache entry, complete the following tasks:
Specifying the Static Forward Cache Lifetime
The static forwarding cache lifetime is the number of seconds that the Multicast
Table Manager (MTM) keeps entries in its cache. The default value is 216 seconds
(3 minutes, 36 seconds).
When you configure an IGMP static forwarding policy to accept multicast traffic
on a nonmulticast interface and then forward it out a multicast interface (static to
dynamic forwarding mode), you must modify the static forward cache lifetime on
the inbound static interface based on the outbound multicast protocol configured
on the outbound interface.
You can set this value from 80 through 7200 seconds, based on the multicast
protocol configured on the outbound router interface. A typical value for DVMRP
is 7200, and for MOSPF, 600.
For instructions on configuring IGMP static forwarding policies, see “Configuring
IGMP Static Forwarding Policies” on page 3-33.
Site Manager Procedure
You do this System responds
1. In the Configuration Manager window,
choose
Protocols
.
The Protocols menu opens.
2. Choose
IP
. The IP menu opens.
3. Choose
IGMP/IGMP Relay
. The IGMP menu opens.
4. Choose
Interfaces
. The IGMP Interface Parameters window
opens.
5. Set the
Mtrace Entry Lifetime
parameter.
Click on
Help
or see the parameter
description on page A-24.
6. Click on
Apply
, and then click on
Done
. You return to the Configuration Manager
window.
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