Troubleshooting
Unusual Network Activity
C-26
MAC Address "A"; VLAN 1
Server
MAC Address "A"; VLAN 2
Figure C-10. Example of Duplicate MAC Address
VLAN 1
5300xl, 3400cl, or
6400cl Switch
(Multiple
VLAN 2
Forwarding
Database)
Problem: This switch detects
continual moves of MAC
address "A" between ports.
Switch with
Single
Forwarding
Database