Users Guide

Verifying a Port-Channel Connection to a VLT
Domain (From an Attached Access Switch)
On an access device, verify the port-channel connection to a VLT domain.
Dell_TORswitch(conf)# show running-config interface port-channel 11
!
interface Port-channel 11
no ip address
switchport
channel-member fortyGigE 1/18,22
no shutdown
Troubleshooting VLT
To help troubleshoot different VLT issues that may occur, use the following information.
NOTE: For information on VLT Failure mode timing and its impact, contact your Dell Networking
representative.
Table 94. Troubleshooting VLT
Description Behavior at Peer Up Behavior During Run
Time
Action to Take
Bandwidth monitoring A syslog error message
and an SNMP trap is
generated when the VLTi
bandwidth usage goes
above the 80% threshold
and when it drops below
80%.
A syslog error message
and an SNMP trap is
generated when the VLTi
bandwidth usage goes
above its threshold.
Depending on the traffic
that is received, the traffic
can be offloaded inVLTi.
Domain ID mismatch
The VLT peer does not
boot up. The VLTi is
forced to a down state.
A syslog error message
and an SNMP trap are
generated.
The VLT peer does not
boot up. The VLTi is
forced to a down state.
A syslog error message
and an SNMP trap are
generated.
Verify the domain ID
matches on both VLT
peers.
Dell Networking OS
Version mismatch
A syslog error message is
generated.
A syslog error message is
generated.
Follow the correct
upgrade procedure for
the unit with the
mismatched Dell
Networking OS version.
Remote VLT port channel
status
N/A N/A Use the show vlt
detail and show vlt
Virtual Link Trunking (VLT) 1202