Users Guide

Description Behavior at Peer Up Behavior During Run Time Action to Take
above the 80% threshold and
when it drops below 80%.
the VLTi bandwidth usage goes
above its threshold.
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.
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
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