[c-nsp] Port-Channel Limits

Daniel Suchy danny at danysek.cz
Wed Jan 12 05:12:57 EST 2011


Hello,

On 01/12/2011 11:00 AM, Phil Mayers wrote:
> On 01/11/2011 06:28 PM, Jose Madrid wrote:
>> I need to configure a port-channel with multiple 10Gb interrfaces and am
>> wondering if anyone knew the limit of ports I could have in the same
>> port-channel? From what I have been able to find it appears to be 8,
>> but I
>> wanted to know if anyone knew of a real-life answer.  Here is the
>> document i
>> found that states 8 is the limit:
>> http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.1E/native/configuration/guide/channel.html#wp1020420
>>
> 
> IIRC on 6500 this changed in a recent IOS version. Which platform/IOS
> release?

Even with latest releases, eigth port limit is still on this platform.
So you can have up to eight active ports in the portchannel. With LACP,
you can configure 16 ports for redundancy purposes (8 ports will be
active, 8 standby).

Daniel


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