McDATA ULTRANETTM EDGE STORAGE ROUTER 3000 - Manual (Page 407)

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Using the Spantree
Portfast Command for
Cisco Routers
This appendix provides information about the spantree portfast
command for Cisco routers.
When a WAN link goes down and comes back up quickly, the virtual
circuit may take from 30 to 90 seconds to re-establish itself. The
spantree portfast command allows the Cisco router port that is
directly connected to the UltraNet Edge 3000 to recover faster.
Issuing the Spantree Portfast Command
Issue the spantree portfast command only when faster recovery
for the UltraNet Edge 3000 is necessary.
NOTE: The information contained in the following section was obtained
from Cisco Customer Support.
set spantree portfast [mod_num/port_num] [enable|disable]
where:
mod_num Number of the module.
port_num Number of the port on the module
enable Enables the spanning-tree port fast-start feature on the port.
disable Disables the spanning-tree port fast-start feature on the port.
By default the port fast-start feature is disabled.