Introduction EPSR and (R)STP Interaction
Software Reference for SwitchBlade x3100 Series Switches (Layer Two Switching)
4-160
SET EPSR
Description Used to set the values of hello time, failover time and ringflap time for the EPSR domains.
This command is valid only for Master type of EPSR domains. This operation is only
allowed when the EPSR domain is disabled.
Syntax
SET EPSR={ epsrdomain-list | ALL } [ HELLOTIME=1..32767 ] [
FAILOVERTIME=2..65535 ] [ RINGFLAPTIME=0..65534 ] [ ENHANCEDRECOV-
ERY={ ON | OFF } ]
Options The following table gives the range of values for each option that can be specified with
this command and a Default Value (if applicable).
Example
SET EPSR=allied-2 HELLOTIME=5
Option Description Default Value
EPSR The name(s) that has been given to the EPSR
domain(s)
N/A
HELLOTIME The rate at which the EPSR protocol Health con-
trol message is sent by the master node for this
EPSR domain.
1
FAILOVERTIME Time for which the master node waits before
declaring that it has detected a break in the ring for
this EPSR domain.
2
RINGFLAPTIME The minimum number of seconds that a master
node must remain in the failed state (before mov-
ing to the complete state), even if the ring has
recovered from its fault condition.
0
ENHANCEDRE-
COVERY
Allows a partial recovery of the ring even if there
are links that are down.
OFF
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