3Com 4200G 48-Port - STP Maintenance Configuration; Introduction; Enabling Log;Trap Output for Ports of MSTP Instance; Configuration Example

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To do... Use the command... Remarks
Enter system view
system-view
—
Enter Ethernet port view
interface interface-type
interface-number
—
Enable the rapid transition
feature
stp no-agreement-check
Required
By default, the rapid transition
feature is disabled on a port.
z The rapid transition feature can be enabled on only root ports or alternate ports.
z If you configure the rapid transition feature on a designated port, the feature does not take effect on
the port.
STP Maintenance Configuration
Introduction
In a large-scale network with MSTP enabled, there may be many MSTP instances, and so the status of
a port may change frequently. In this case, maintenance personnel may expect that log/trap information
is output to the log host when particular ports fail, so that they can check the status changes of those
ports through alarm information.
Enabling Log/Trap Output for Ports of MSTP Instance
Follow these steps to enable log/trap output for ports of MSTP instance:
To do... Use the command... Remarks
Enter system view
system-view
—
Enable log/trap output
for the ports of a
specified instance
stp [ instance
instance-id ] portlog
Required
By default, log/trap output is disabled for the
ports of all instances.
Enable log/trap output
for the ports of all
instances
stp portlog all
Required
By default, log/trap output is disabled for the
ports of all instances.
Configuration Example
# Enable log/trap output for the ports of instance 1.
<Sysname> system-view
[Sysname] stp instance 1 portlog
# Enable log/trap output for the ports of all instances.
<Sysname> system-view
[Sysname] stp portlog all