Alcatel-Lucent 7750 SR OS Service Manual page 462

VPLS Service Configuration Commands
The no form of this command enables learning of MAC addresses.
Default
no disable-learning (Normal MAC learning is enabled)
discard-unknown
Syntax [no] discard-unknown
Context config>service>vpls
Description
By default, packets with unknown destination MAC addresses are flooded. If discard-unknown is
enabled at the VPLS level, packets with unknown destination MAC address will be dropped instead
(even when configured FIB size limits for VPLS or SAP are not yet reached).
The no form of this command allows flooding of packets with unknown destination MAC addresses
in the VPLS.
Default
no discard-unknown - Packets with unknown destination MAC addresses are flooded
fdb-table-high-wmark
Syntax [no] fdb-table-high-wmark high-water-mark
Context config>service>vpls
Description
This command
Parameters
high-water-mark — Specify the value to send logs and traps when the threshold is reached
fdb-table-low-wmark
Syntax [no] fdb-table-low-wmark low-water-mark
Context config>service>vpls
Description
This command
Parameters
low-water-mark — Specify the value to send logs and traps when the threshold is reached.
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specifies the value to send logs and traps when the threshold is reached.
Values
1 — 100
Default
95%
specifies the value to send logs and traps when the threshold is reached.
Values
1 — 100
Default
90%
7750 SR OS Services Guide