
Configuring IP Multicasting and Multimedia Services
A-4 117355-A Rev. A
Parameter: Garbage Timeout
Path: Configuration Manager > Protocols > IP > Multicast > DVMRP > Global
Default: 340
Options: 40 to 8000 seconds
Function: Specifies the duration of time that this route will be included in routing
updates without the receipt of a subsequent update indicating that the route is
reachable. The difference between this value and the Route Expiration
Timeout value represents the duration of time that the route will be advertised
as unreachable without subsequent refreshment.
Instructions: Enter a value that is greater than the value you specified for Route Expiration
Timeout to allow for sufficient time for the route to be advertised as
unreachable.
MIB Object ID: 1.3.6.1.4.1.18.3.5.3.12.1.9
Parameter: Estimated Routes
Path: Configuration Manager > Protocols > IP > Multicast > DVMRP > Global
Default: 25
Options: An integer of 10 or greater
Function: Specifies the estimated number of routes.
Instructions: Enter a value that the router can use for preallocating routing tables. For an
MBone implementation, a value of 3000 or higher is recommended. Note that
routes are kept on a per-source-network basis, independent of multicast groups.
This number must include a route for every network that is local to a circuit
configured for multicasting. This allows the router to utilize memory efficiently.
Exceeding this size during router operation will not cause an error but may cause
the router to consume more memory than is required.
MIB Object ID: 1.3.6.1.4.1.18.3.5.3.12.1.10
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