IBM Heritage Network Router User Manual


 
7-12
Command Sets for Command Line Interface
2 × (forwarddelay - 1) maxage
maxage
2 × (hellotime + 1)
Configuration saving saves this information. By default the forward
delay time is set to 15 seconds.
Example:
DSL bridge> spanning forwarddelay 10 ;Sets the forwarding
delay to 10 seconds.
11. spanning hellotime
Syntax:
spanning hellotime [<time>]
Description:
Reads or sets the time in seconds, after which the spanning tree
process sends notification of topology changes to the root bridge, and
is used when the bridge is or is attempting to become the root bridge.
The hello time may be any value between 1 and 10 and is also
constrained by the forwarddelay and maxage times. The hello time
may also be changed by SNMP command.
Configuration saving saves this information. By default the hello time
is set to 2 seconds.
Example:
DSL bridge> spanning hellotime 5 ;Sets the hello time
to 5 seconds
12. spanning maxage
Syntax:
spanning maxage [<time>]
Description:
Reads or sets the maximum age of received spanning tree protocol
information before it is discarded, and is used when the bridge is or is
attempting to become the root bridge. The maxage time may be any
value between 6 and 40 and is also constrained by the forwarddelay
and hellotime times. The maxage time may also be changed by SNMP
command.
Configuration saving saves this information. By default the maxage
time is set to 20 seconds.
Example:
DSL bridge> spanning maxage 6 ;Sets the maxage
time to 6 seconds