3com 5000 ATM User Manual

Use the following procedure to verify the bridging configuration of the 
ATM Backbone SwitchModule:

1 Use the following command to display information about the LEC 

bridging configuration.

CB5000> show bridge_port <slot.lec>

Verify that the bridge port is set to a valid vbridge (1 through 240).

If the bridge port is not set to a valid vbridge, use the following 
command to reset it to the correct vbridge:

CB5000> set bridge_port <slot.lec>

vbridge  <vbridgenumber>

2 Use the following command to display information about the vbridge 

configuration:

CB5000>  show bridge_port <slot.bridgeport>

Verify that the vbridge is assigned to the correct Ethernet or FDDI 
SwitchModule port.

Use the following procedure to determine if there is packet and ATM 
cell data movement through the ATM Backbone SwitchModule:

1 Use the following command to display ATM statistics:

CB5000>  show atm <slot> statistics

Note the values for the ATM and AAL5 ATM cell counters.

2 Reissue the ATM statistics command and check that the counters have 

changed.

3 Use the following command to display bridge port interface statistics:

CB5000> show counter bridge_port <slot.lec> interface

Note the values for the Packet Counters statistic

4 Reissue the bridge port interface command and check that the Packet 

Counters statistic has changed.