ESRP Environment Tracking
You can configure
ESRP (Extreme Standby Router Protocol) to track hardware
status. If a power supply fails, if the switch is overheating, or if a non-fully loaded
power supply is detected, the priority for the ESRP domain will change to the failover
settings.
Note
ExtremeXOS software determines the maximum
available power required for the switch by calculating the number of power supplies and
the power required by the installed modules. Enabling environmental tracking on the switch
without enough power budget causes tracking to fail. In this case, the tracking failure
occurs by design.
To configure the failover priority for an ESRP domain:
-
Set the failover priority using the following
command:
configure
esrp esrpDomain add track-environment failover priority
-
Assign the priority flag precedence over the active ports
count using the following command:
configure
esrp esrpDomain election-policy [ports > track > priority | ports > track > priority > mac | priority > mac | priority > ports > track > mac | priority > track > ports > mac | sticky > ports > track > priority | sticky > ports > track > priority > mac | sticky > ports > weight > track > priority > mac | sticky > priority > mac | sticky > priority > ports > track > mac | sticky > priority > track > ports > mac | sticky > track > ports > priority | sticky > track > ports > priority > mac | track > ports > priority | track > ports > priority > mac]
Because the priority of both ESRP domains are set
to the same value, ESRP will use the active ports count to determine the master ESRP
domain.
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