mac flapping.

[Michael Turkstra]

good morning,

i have a question, i have in the logging of my switches a mac falpping problem.

i have a log notification : Apr 12 19:33:13: %SW_MATM-4-MACFLAP_NOTIF: Host xxxx.f065.520c in vlan 25 is flapping between port Gi0/1 and port Fa0/35.

When i look up what is connected to interface FA0/35 it is a accespoint " AIR-AP1242G-A-K9"  Cisco IOS Software, C1240 Software (C1240-K9W7-M), Version 12.4(21a)JA1, RELEASE SOFTWARE (fc1)

Does anyone has a idea how this is making the mac flapping ??

Thanks for the help!!

[bala020881]

Can you confirm what is connected on port Gi0/1?

[Michael Turkstra]

yes i can, it's another switch.

it is a  WS-C2960-24TC-S 

interface GigabitEthernet0/1
description [* L2_Admin_A-1 *]
switchport mode trunk
end