Avaya Virtual Services Platform 7000 Series Troubleshooting Manual page 66

Troubleshooting Layer 2
2. Enter the ist vlan <1–4096> command.
Checking VLAN tagging
Observe if tagging is enabled for IST owner VLAN port members.
Procedure
1. Enter Privileged EXEC mode:
enable
2. Enter the show vlan interface info command.
3. Observe and note information displayed in the Tagging column for IST owner VLAN port
members.
Enabling VLAN port tagging
Enable tagging for IST owner VLAN port members.
Procedure
1. Enter Global Configuration mode:
enable
configure terminal
2. Enter the vlan ports <portlist> tagging enable command.
Checking VLAN IP addresses
Display and observe VLAN IP address configuration information for possible inconsistencies.
Procedure
1. Enter Privileged EXEC mode:
enable
2. Enter the show vlan ip command.
3. Observe command output display for inconsistencies.
Checking MLT configuration
Check if edge switch links to aggregation devices form an MLT.
Procedure
1. Enter Privileged EXEC mode:
enable
2. Enter the show mlt command.
Troubleshooting Avaya VSP 7000 Series
66
Comments on this document? infodev@avaya.com
July 2015