EPSR and (R)STP Interaction Introduction
4-153
Software Reference for SwitchBlade x3100 Series Switches (Layer Two Switching)
CREATE EPSR MASTER | TRANSIT
Description Used to create an EPSR domain. The domain being created is either a 'Transit' or 'Master'
type.
Syntax
CREATE EPSR=epsrdomain { TRANSIT | MASTER [ HELLOTIME=0..65535 ] [
FAILOVERTIME=0..65535 ] [ RINGFLAPTIME=0..65535 ] } [ ENHANCEDRE-
COVERY={ 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 CREATE EPSR=allied MASTER
Option Description Default Value
EPSR The name(s) that has been given to the EPSR
domain(s)
NA
MASTER | TRANSIT The type of domain,
If MASTER, then the system is a MASTER node and
the TIME parameters must be specified; otherwise
default values are used.
If TRANSIT, only ENHANCEDRECOVERY can be
specified.
One from the list
is required
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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