7705 SAR Interfaces
396
Interface Configuration Guide
3HE 11011 AAAC TQZZA Edition: 01
3.13.2.15 Ring MAC Operations Commands
disable-aging
Syntax [no] disable-aging
Context config>card>mda>ring
Description This command disables MAC address aging across an Ethernet ring.
As is the case for a Layer 2 switch, learned MACs can be aged out if no packets are sourced
from the MAC address for a period of time (the aging time). In each ring, there are
independent aging timers for local learned MAC and remote learned MAC entries in the FDB.
The disable-aging command turns off aging for local and remote learned MAC addresses.
The no form of this command enables aging on the ring.
Default no disable-aging
disable-learning
Syntax [no] disable-learning
Context config>card>mda>ring
Description This command disables learning of new MAC addresses in the ring FDB.
When disable-learning is enabled, new source MAC addresses will not be entered in the
ring FDB. This is true for both local and remote MAC addresses.
When disable-learning is disabled, new source MAC addresses will be learned and entered
into the ring FDB.
This parameter is mainly used in conjunction with the discard-unknown-source command.
The no form of this command enables learning of MAC addresses.
Default no disable-learning
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