Avaya Configuring IP Multicasting and Multimedia Services Manuel d'utilisateur Page 321

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Site Manager Parameters
117355-D Rev 00
A-43
Parameter: Candidate BSR Hash Mask Length
Path: Configuration Manager > Protocols > IP > PIM > Global
Default: 30
Options: 4 to 32
Function: Specifies the length of the hash mask for the elected BSR. The hash function is
used by all routers within a PIM domain to map a group to one of the C-RPs in
the RP set. For a particular group, G, the hash function uses only those C-RPs
whose group prefix covers G. The hash function takes as input the group address
and the addresses of the C-RPs, and gives as output one RP address to be used.
The hash mask, which is included in the bootstrap message, allows a small
number of consecutive groups (for example, 4) to map to the same RP. For
example, hierarchically encoded data can be sent on consecutive group
addresses to obtain the same delay and fate-sharing characteristics.
Instructions: Determine the length of the hash mask and specify a value from 4 through 32.
MIB Object ID: 1.3.6.1.4.1.18.3.5.3.14.1.24
Parameter: Candidate RP
Path: Configuration Manager > Protocols > IP > PIM > Global
Default: Disable
Options: Enable
|
Disable
Function: Specifies whether to configure a PIM router as a C-RP router. C-RP routers
periodically send unicast C-RP advertisement messages to the BSR of that
domain. The interval for sending C-RP messages is specified using the
Candidate RP Advertise Interval parameter.
PIM elects the primary RP based on priority first, then on the highest hash
value. If the priority level and hash value are the same, PIM elects the C-RP
with the highest IP address as the RP.
Instructions: Set to Enable to configure the PIM router as a C-RP. Set to Disable if you do not
want to configure the PIM router as a C-RP.
MIB Object ID: 1.3.6.1.4.1.18.3.5.3.14.1.25
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