leave-time (PBB)
To set the leave-time for all active ports, use the leave-time command in the flood optimization for PBB over
VPLS global configuration submode.
leave-time seconds
Syntax Description
Sets the leave time for all active ports. Range is from 1 to 90 seconds.
seconds
Command Default
30 seconds
Command Modes
Flood optimization for PBB over VPLS global configuration submode.
Command History
ModificationRelease
This command was introduced.Release 5.1.2
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task
IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator
for assistance.
The leave-time command controls how long registrations stay in the leaving state before being removed; that
is, it controls when the garbage collection of stale registrations is performed after unregistration.
The leaveall-time and the leave-time commands together control the garbage collection.
The IEEE specification states that the value of the leave-time command must be less than the value of the
leaveall-time command.
However, in Cisco IOS-XR, processing outages of several seconds can occur during a process restart or Router
Processor Fail-Over (RPFO) leading to a loss of messages.
Therefore, a greater default leave-time value (thrice that of the leaveall-time value command) increases the
robustness of the Multiple MAC Registration Protocol (MMRP) during packet loss or system outage.
Task ID
OperationTask ID
read, writeethernet-services
Cisco ASR 9000 Series Aggregation Services Router VPN and Ethernet Services Command Reference, Release
6.1.x
413
Provider Backbone Bridge Commands
leave-time (PBB)
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