Avaya 2330/4134 Troubleshooting Manual page 80

Troubleshooting a Data Link Layer problem
• Enable the debug tracing to monitor MSTP BPDUs exchanged between Cisco and the
SR2330/4134 using the debug spanning-tree packet <transmit|receive>
command.
Ports configured as Port Fast BPDU Guard are in Disable Discarding states
Make sure the port in not receiving any BPDUs. Use debug tracing to monitor the packets
received by port with the debug spanning-tree packet <transmit|receive>
command.
80 Troubleshooting
Comments? infodev@avaya.com
August 2013