RE: need help on WLAN controller

Abdul,

Did you not enable LAG on the controller and configure an LACP etherchannel between switch and controller?

-ryan

-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of Abdul Muhammed
Sent: Thursday, October 14, 2010 8:29 AM
To: Brad Ellis
Cc: Cisco certification
Subject: Re: need help on WLAN controller

Hi,

yes their is a GBIC on WLAN controller ( 4 all connected) to the gigabit port on Cat 2750

sample message as below:

5d01h: %SW_MATM-4-MACFLAP_NOTIF: Host 0024.2c0c.c5cf in vlan 7 is flapping between port Gi1/0 port Gi2/0/12
5d01h: %SW_MATM-4-MACFLAP_NOTIF: Host 0024.d28b.aaa1 in vlan 7 is flapping between port Gi1/0 port Gi2/0/12
5d01h: %SW_MATM-4-MACFLAP_NOTIF: Host 001e.647a.4564 in vlan 7 is flapping between port Gi1/0 port Gi2/0/12
5d01h: %SW_MATM-4-MACFLAP_NOTIF: Host 0024.d628.fb36 in vlan 5 is flapping between port Gi2/0 port Gi1/0/12
5d01h: %SW_MATM-4-MACFLAP_NOTIF: Host 0024.d628.ddec in vlan 6 is flapping between port Gi2/0 port Gi1/0/12
5d01h: %SW_MATM-4-MACFLAP_NOTIF: Host 0026.5e38.351d in vlan 2 is flapping between port Gi1/0 port Gi1/0/12
5d01h: %SW_MATM-4-MACFLAP_NOTIF: Host 701a.0464.3ffb in vlan 7 is flapping between port Gi2/0 port Gi1/0/11
5d01h: %SW_MATM-4-MACFLAP_NOTIF: Host 0024.d636.881e in vlan 3 is flapping between port Gi2/0 port Gi1/0/11
5d01h: %SW_MATM-4-MACFLAP_NOTIF: Host 0021.00be.67f9 in vlan 6 is flapping between port Gi2/0 port Gi1/0/11

thanks

On 10/14/10, Brad Ellis <brad_at_ccbootcamp.com> wrote:
> More details would be great. But if there's a GBIC in the controller,
> I'd suggest taking a look at that first and maybe the cabling as well.
>
>
> thanks,
> Brad Ellis
> CCIE#5796 (R&S / Security)
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> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf
> Of Abdul Muhammed
> Sent: Thursday, October 14, 2010 5:18 AM
> To: Cisco certification
> Subject: need help on WLAN controller
>
> Hi GS,
>
> I notice heavy flapping on the catalyst 3750 gigabit interface
> connected to our WLAN controller ( from clients mac address on
> different vlan) can any body help out on what the problem might be.
>
> thanks
>
> --
> Cherish your visions and your dreams as they are the children of your
> soul, the blueprints of your ultimate achievements. "Napoleon Hill"
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> poverty and riches are the offspring of thought. "Napoleon Hill"
>
> Abdul Muhammed Murtala
> American University of Nigeria
> Lamido Zubairu way, Yola
> Adamawa
> +2348052001153, +2348056201237
>
> Network Manager
> MCSE,MCDBA,MCSA,OCPDBA,CCNA,CCIE Written.
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--
Cherish your visions and your dreams as they are the children of your soul, the blueprints of your ultimate achievements. "Napoleon Hill"
There are no limitations to the mind except those we acknowledge; both poverty and riches are the offspring of thought. "Napoleon Hill"
Abdul Muhammed Murtala
American University of Nigeria
Lamido Zubairu way, Yola
Adamawa
+2348052001153, +2348056201237
Network Manager
MCSE,MCDBA,MCSA,OCPDBA,CCNA,CCIE Written.
Blogs and organic groups at http://www.ccie.net