Re: need help on WLAN controller

Channel groups are locally significant. I believe LAG use LACP. So configure an etherchannel across your stack members with mode active.

Sent from handheld

On Oct 15, 2010, at 6:10 AM, Abdul Muhammed <abdulmuri_at_gmail.com> wrote:

> Hi Ryan,
>
> http://www.perihel.at/wlan/wlan-wlc.html
>
> I just realised that I am suppose to configure etherchannel on the cat
> 3750 and enable load balancing on the port.
>
> but group no would i use ie channel-group 10 mode on ( how will I know
> the channel-group that exist on the WLAN controller)
>
> also we 2 Gigabith switch are stacked together with 2 ports each (
> g1/0/11, g1/0/12 and g2/0/11 and g2/0/12 ) are connected to the WLAN
> controller.
>
> Can I configure a single channel group accross the 2 stacked switched.
>
> Thanks
>
> On 10/14/10, Ryan West <rwest_at_zyedge.com> wrote:
>> 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)
>>> CCSI# 30482
>>> CEO / President
>>> CCBOOTCAMP - Cisco Learning Solutions Partner (CLSP)
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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"
>>>
>>> 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.
>>>
>>>
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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
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>>
>>
>>
>>
>>
>>
>>
>>
>
>
> --
> 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
Received on Fri Oct 15 2010 - 12:33:06 ART