Cabletron Systems NB30, User Manual

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USING BRIDGE MANAGEMENT OPTIONS
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These values will ensure that the NB30 will operate effectively in a
Spanning Tree Algorithm environment.
Changing Root Bridge Max Age Time
If the bridge is the root bridge, and you want to change the maximum time
that bridge protocol information will be kept before it is discarded:
1. Use the arrow keys to highlight the Bridge Max Age field.
2. Enter the new time at this field, in seconds. A time of 6 to 40 seconds
is allowed.
3. Press Return.
Changing Root Bridge Forward Delay Time
If the bridge is the root bridge, or is attempting to become the root, and
you want to change the time period the bridge will spend in the listening
state, i.e., listening to BPDU activity on the network while moving from
the blocking to the learning state:
1. Use the arrow keys to highlight the Bridge Forward Delay field.
2. Enter the new time at this field, in seconds. A time of 4 to 30 seconds
is allowed.
3. Press Return.
NOTE: The time displayed also affects the time spent in the learning state
while the bridge is moving from the listening to the forwarding state.
Changing Root Bridge Hello Time
If the bridge is the root bridge, or is attempting to become the root, and
you want to change the length of time the bridge waits between sending
configuration BPDUs: