Virtual Private LAN Services
7750 SR OS Services Guide Page 739
Default no per-service-hashing
pim-snooping
Syntax [no] pim-snooping
Context config>service>vpls>spoke-sdp
config>service>vpls>sap
Context This command enables PIM snooping for the VPLS service. When enabled, it is enabled for all SAPs
except default SAPs. A default SAP is a SAP that has a wildcard VLAN ID, such as sap 1/1/1:*.
The no form of the command removes the PIM snooping configuration.
max-num-groups
Syntax max-num-groups num-groups
no max-num-groups
Context config>service>vpls>pim-snooping
config>service>vpls>spoke-sdp>pim-snooping
config>service>vpls>sap>pim-snooping
Description This command configures the maximum groups for PIM snooping.
Parameters num-groups — Specifies the maximum groups for PIM snooping.
Values 1 — 16000
The max number of MFIBs is 1000 for a 7750 router in chassis mode A.
The max number of MFIBs is 4000 for a 7750 router in chassis mode B and C.
hold-time
Syntax hold-time seconds
no hold-time
Context config>service>vpls>pim-snooping
Description This command configures the duration that allows the PIM-snooping switch to snoop all the PIM
states in the VPLS. During this duration, multicast traffic is flooded in the VPLS. At the end of this
duration, multicast traffic is forwarded using the snooped states.
When PIM snooping is enabled in VPLS, there is a period of time when the PIM snooping switch
may not have built complete snooping state. The switch cannot build states until the routers connected
to the VPLS refresh their PIM messages.
This parameter is applicable only if PIM snooping is enabled.
Parameters seconds — Specifies the PIM snooping hold time, in seconds
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