Chapter 3: Bridging Configuration Guide
36
DIGITAL GIGAswitch/Router User Reference Manual
To change a port from flow-based bridging to address-based bridging, enter the following
command in Configure mode:
Configuring Spanning Tree
Note:
Some commands in this facility require updated GSR hardware. Please refer to the
Release Notes for details.
The GSR supports per VLAN spanning tree. By default, all the VLANs defined belong to
the default spanning tree. You can create a separate instance of spanning tree using the
following command:
By default, spanning tree is disabled on the GSR. To enable spanning tree on the GSR, you
perform the following tasks on the ports where you want spanning tree enabled..
Adjusting Spanning-Tree Parameters
You may need to adjust certain spanning-tree parameters if the default values are not
suitable for your bridge configuration. Parameters affecting the entire spanning tree are
configured with variations of the bridge global configuration command. Interface-specific
parameters are configured with variations of the bridge-group interface configuration
command.
Change a port from flow-
based bridging to address-
based bridging.
negate
<line-number of active config containing command>
:
port flow-bridging
<port-list>
|all-ports
Create spanning tree for a VLAN.
pvst create spanningtree vlan-name
<string>
Enable spanning tree on one or
more ports for default spanning
tree.
stp enable port
<port-list>
Enable spanning tree on one or
more ports for a particular VLAN.
pvst enable port
<port-list>
spanning-tree
<string>
