LAG Commands
Page 196 7210 SAS M, T, X, R6, R12, Mxp Interface Configuration
Guide
The no form of this command reverts to the default values.
Default “0” action down
Parameters value — The decimal integer threshold number of operational links for the LAG at or below which the
configured action will be invoked. If the number of operational links exceeds the port-threshold value,
any action taken for being below the threshold value will cease.
Values 0 — 3
action [{dynamic-cost | down}] — Specifies the action to take if the number of active links in the LAG is at
or below the threshold value.
When the dynamic-cost action is specified, then dynamic costing will be activated. As a result the LAG
will remain operationally up with a cost relative to the number of operational links. The link will only
be regarded as operationally down when all links in the LAG are down.
When the down action is specified, then the LAG will be brought operationally down if the number of
operational links is equal to or less than the configured threshold value. The LAG will only be regarded
as up once the number of operational links exceeds the configured threshold value.
The 'down' action is also supported suppoted in devices operating in network mode and in 7210 SAS-M
and 7210 SAS-T operating in access-uplink mode. The dynamic cost action is not supported in 7210
SAS-M/T operating in access-uplink mode.
selection-criteria
Syntax selection-criteria [{highest-count|highest-weight|best-port}] [slave-to-partner]
no selection-criteria
Context config>lag
Description This command specifies which selection criteria should be used to select the active sub-group.
Default highest-count
Parameters highest-count — Specifies sub-group with the highest number of eligible members.
highest-weight — Specifies sub-group with the highest aggregate weight.
best-port — Selection criteria used with "power-off" mode of operation. The sub-group containing the port
with highest priority port. In case of equal port priorities the sub-group containing the port with the
lowest port-id is taken
slave-to-partner — The slave-to-partner keyword specifies that it, together with the selection criteria,
should be used to select the active sub-group. An eligible member is a lag-member link which can
potentially become active. This means it is operationally up (not disabled) for use by the remote side.
The slave-to-partner parameter can be used to control whether or not this latter condition is taken into
account.
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