Max Etherchannels, lacp, and cisco 2960G

Posted on 2009-12-19
Last Modified: 2012-08-13
I own a cisco 2960G 48 port switch.

I'm still reading up on implementing lacp/etherchannel but im curious about something.

Cisco states this in there documentation.

Do not try to configure more than 6 EtherChannels on the switch

Why is this a limitation? Why is a max of only 6 possible?

6 seems limiting, but I guess there no way around that.


Question by:kblackwel
    LVL 13

    Accepted Solution

    Cisco can put limitation base on any one of the following reasons:

    Cisco want to make more money. If customer want to have more, they have to pay to get the more expensive models. Sometimes even the hardware support it, there are licensing limit and other soft limit that prevent customer to get more feature.

    There may be design limitation. When an engineering team working on a product, they need some kind of parameters to allocate resources like hardware processing unit, buffer memory, size of look up table etc.

    Consider for a 48 ports switch, 6 Etherchannels will use at least 12 ports, that limit is not good, but not unreasonable.
    LVL 50

    Assisted Solution

    by:Don Johnston
    Could also be that if you create 8 port etherchannels then 6 of them would use all 48 ports.

    Wouldn't surprise me if there was a 4 etherchannel max on a 12 port switch. :-)

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