08-05-2013 07:20 AM - edited 03-10-2019 06:01 AM
Is it possible to do a etherchannel load balancing with the design attached? i know I need to configure vlan pairs but I'm not sure if it's possible with my current design
08-06-2013 06:38 AM
Etherchannel design will work with interface pair as well ,provided the design is appropriate to take care of the asymmetry.
Coming to your design, if i understand the requirement correctly, you wish to create etherchannel between 3750 stacked switch and the pair of CAT6K. Enabling VSS on the pair of CAT6K switches and then creating etherchannel should help.But the flow symmetry will not be guaranteed ( meaning the same IPS may not see the forward and the reverse packets of the flow).
08-07-2013 07:54 AM
Are you sure it's possible with interface pair, from my reading it said only with vlan pairs. Symmetry will either be achieved with OSPF or using FHRP
The CAT6K do not support VSS they are seperate but the FWSMs in them act as active/standby
08-14-2013 02:42 AM
Yes it will work. Consider the following topology:
It will work for static port channel as well as LACP based Port channel.
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