DELL S6000-ON User Manual

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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 1/5,6
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 79. 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 
brief commands to 
view the VLT port 
channel status 
information.
982
Virtual Link Trunking (VLT)