[c-nsp] simple link aggregation

Tóth András diosbejgli at gmail.com
Tue Jul 31 14:49:43 EDT 2012


You might want to use src-ip and dst-ip instead of mac depending on
your topology and on the location of the L2 boundary. If there's a
router in between, the src/dst mac might be static, being the router
mac.

Andras

On Tue, Jul 31, 2012 at 6:34 PM, Mike
<mike-cisconsplist at tiedyenetworks.com> wrote:
> On 07/31/2012 01:06 AM, Peter Rathlev wrote:
>>
>>
>> Cisco's hardware forwarding platforms only support deterministic hashed
>> load sharing. What link member a specific packet uses is determined from
>> L2, L3 or L4 information or a combination of these. The 3560 and 2970
>> platforms support using L2 and/or L3 information:
>>
>> Switch(config)#port-channel load-balance ?
>>    dst-ip       Dst IP Addr
>>    dst-mac      Dst Mac Addr
>>    src-dst-ip   Src XOR Dst IP Addr
>>    src-dst-mac  Src XOR Dst Mac Addr
>>    src-ip       Src IP Addr
>>    src-mac      Src Mac Addr
>>
>>
>
>
>
> Damm, you are right. My problem is that I have many pppoe subscribers on one
> side of the link, talking to essentially 1 server. So if rr isn't an option,
> then I would likely need to do load-balance per source mac on the subscriber
> side and by dest mac on the server side.
>
> Thanks for the rest of the info, thats enough to get me started.
>
> Mike-
>
>
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