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McDATA® Sphereon 3032 and 3232 Fabric Switches Installation and Service Manual
Installation Tasks
Insistent
Click the check box to remove or add a check mark. The default state
is disabled (no check mark).
When a checkmark displays, the domain ID configured in the
Preferred Domain ID field will become the active domain identification
when the fabric initializes. See the following notes:
• This option is required if Enterprise Fabric Mode (optional
SANtegrity feature) is enabled. Refer to Insistent Domain
Identification in the McDATA Sphereon 3032 and 3232 Fabric Switch
element manager User Manual for details.
• If you enable Insistent Domain while the switch or director is
online, the Preferred Domain ID will change to the current active
domain ID if the IDs are different.
If a switch with a duplicate domain ID exists in the fabric, both
switches’ E_Ports will segment when they try to join.
Rerouting Delay Placing a check mark in the check box to the left of the Rerouting Delay
option enables rerouting delay. This option is only applicable if the
configured switch is in a multiswitch fabric. The default state is
disabled.
Enabling the rerouting delay ensures that frames are delivered in
order through the fabric to their destination. If there is a change to the
fabric topology that creates a new path (for example, a new switch is
added to the fabric), frames may be routed over this new path if its
hop count is less than a previous path with a minimum hop count.
This may result in frames being delivered to a destination out of
order since frames sent over the new, shorter path may arrive ahead
of older frames still in route over the older path.
If rerouting delay is enabled, traffic ceases in the fabric for the time
specified in the E_D_TOV field of the Configure Fabric Parameters
dialog box. This delay allows frames sent on the old path to exit to
their destination before new frames begin traversing the new path.
Note that this option is required if Enterprise Fabric Mode (optional
SANtegrity feature) is enabled. Refer to Rerouting Delay on page 2-80
for details.
Domain RSCNs Fabric format domain register for state change notifications (RSCNs)
are sent to ports on the switch following any change to the fabric's