HP ProCurve 2650

C-20
Troubleshooting
Unusual Network Activity
is moving among ports because packets with the same MAC address but
different VLANs are received on different ports. You can avoid this problem
by creating redundant paths using port trunks or spanning tree.
Figure C-4. Example of Duplicate MAC Address
Server
Switch 4108GL
(Multiple
Forwarding
Database)
Switch with
Single
Forwarding
Database
MAC Address "A"; VLAN 1
MAC Address "A"; VLAN 2
Problem: This switch detects
continual moves of MAC
address "A" between ports.
VLAN 1
VLAN 2
!Software.book Page 20 Thursday, October 10, 2002 6:10 PM