Avaya Configuring IP Multicasting and Multimedia Services Instrukcja Użytkownika Strona 178

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Configuring IP Multicasting and Multimedia Services
A-8
303527-A Rev. 00
Parameter: Metric
Path: Configuration Manager > Protocols > IP > Multicast > DVMRP > Circuit
Default: 1
Options: 1 to 31
Function: Specifies the cost of this interface.
Instructions: Determine the cost that you want to assign to this hop and enter a value. We
recommend the following values: for a LAN, or tunnel across a single LAN, 1;
for a multihop tunnel, 2 or 3; for a serial link, or tunnel across a serial link, 1; for
a backup tunnel, the primary tunnel metric + 1.
MIB Object ID: 1.3.6.1.4.1.18.3.5.3.12.2.1.6
Parameter: Threshold
Path: Configuration Manager > Protocols > IP > Multicast > DVMRP > Circuit
Default: 1
Options: 1 to 254 hops
Function: Specifies a TTL value for the interface. This value is the minimum IP TTL
required for a multicast datagram to be forwarded out this interface.
Instructions: Use this parameter to control the scope of the datagrams. If the IP TTL is less
than the threshold value you specify, the router drops the datagram.
MIB Object ID: 1.3.6.1.4.1.18.3.5.3.12.2.1.7
Parameter: Forward Cache Size
Path: Configuration Manager > Protocols > IP > Multicast > DVMRP > Circuit
Default: 32
Options: 32 to 512 entries
Function: Specifies the maximum number of entries allowed in the forwarding table
associated with this interface.
Instructions: When configuring a cache size, you must also keep in mind the TTL value for
entries. If you specify a large cache size, a larger TTL value is recommended. For
a smaller cache, a shorter TTL for cache entries is recommended.
MIB Object ID: 1.3.6.1.4.1.18.3.5.3.12.2.1.14
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