Deployment Guide

Description Behavior at Peer Up Behavior During Run Time Action to Take
commands to view the VLT port
channel status information.
System MAC mismatch A syslog error message and an
SNMP trap are generated.
A syslog error message and an
SNMP trap are generated.
Verify that the unit ID of VLT
peers is not the same on both
units and that the MAC address
is the same on both units.
Unit ID mismatch
The VLT peer does not boot up.
The VLTi is forced to a down
state.
A syslog error message is
generated.
The VLT peer does not boot up.
The VLTi is forced to a down
state.
A syslog error message is
generated.
Verify the unit ID is correct on
both VLT peers. Unit ID numbers
must be sequential on peer units;
for example, if Peer 1 is unit ID
“0”, Peer 2 unit ID must be “1’.
Version ID mismatch A syslog error message and an
SNMP trap are generated.
A syslog error message and an
SNMP trap are generated.
Verify the Dell Networking OS
software versions on the VLT
peers is compatible. For more
information, refer to the Release
Notes for this release.
VLT LAG ID is not congured on
one VLT peer
A syslog error message is
generated. The peer with the
VLT congured remains active.
A syslog error message is
generated. The peer with the
VLT congured remains active.
Verify the VLT LAG ID is
congured correctly on both VLT
peers.
VLT LAG ID mismatch
The VLT port channel is brought
down.
A syslog error message is
generated.
The VLT port channel is brought
down.
A syslog error message is
generated.
Perform a mismatch check after
the VLT peer is established.
PMUX Mode of the IO Aggregator 299