[c-nsp] etherchannel load-balancing on "4 Port ISE GigabitEthernet"?

Oliver Boehmer (oboehmer) oboehmer at cisco.com
Thu Apr 9 10:02:19 EDT 2009


Jan Sandmaier <> wrote on Thursday, April 09, 2009 13:32:

> Hi,
> 
> does anybody know how load-balancing in an etherchannel works on a "4
> Port ISE Gigabit Ethernet" for Cisco 12000 in detail?
> 
> I have the following problem: I configured an etherchannel consisting
> of two GigabitEthernet ports on the same linecard. Only one port is
> utilized (see show command below). There is no inbound traffic and the
> outbound traffic originates from various prefixes to basically 3
> prefixes. 

load-sharing over a link bundle is pretty much identical to "regular"
Layer 3 CEF load-sharing. So you need to use a large enough number of
flows (i.e. <source/dest> pairs).

	oli


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