Reference Guide

Virtual Link Trunking (VLT) | 319
Unit ID mismatch The VLT peer does not
boot up. The VLTi is forced
to a down state.
The VLT domain will not
be formed. The VLTi will
be in 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;
i.e., 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 FTOS software
versions on the VLT peers
is compatible. For more
information, see the
Release Notes for this
release.
VLT LAG ID is not
configured on one VLT
peer
A syslog error message is
generated. The peer with
the VLT configured
remains active.
The peer with the VLT
configured remains active.
Verify the VLT LAG ID is
configured 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.
VLT LAG VLAN
mismatch
A syslog error message is
generated.
A syslog error message is
generated.
Verify that the VLAN
configuration is same for
the VLT lags on both
peers.
Description Behavior at Peer Up
Behavior During Run
Time Action to Take