From: Mark Lasarko (mlasarko@co.ba.md.us)
Date: Wed Apr 13 2005 - 13:02:13 GMT-3
Greetings Alan,
I believe your colleague may be referring to what
Cisco calls cross-stack EtherChannel.
This seems to be a feature available on the 3750's
http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3750/12119ea1/3750scg/swethchl.htm
Their example is switch to switches, but I don't see where an AIX box
would differ?
Without the stack I don't believe it's possible (limited to a single
switch/chassis)
My main concern would be passing the control info between the stack
members...
I suppose if you had healthy links between the member switches this
would work?
...kind of a cool idea though :)
HTH,
~M
>>> Alan Halachmi <alan@halachmi.net> 4/13/2005 11:18:45 AM >>>
Good Morning,
I'm hoping this group will have some insight... I've just had a
conversation with a colleague of mine who believes that EtherChannel
and/or
Link Aggregation can be supported across multiple switching chassis.
As an
example, my colleague claims that if an AIX system is configured with
a
virtual EtherChannel or Link Aggregation interface (one physical
interface
to switch 1 and the second physical interface to switch 2), and the
switches are running EtherChannel, 802.3ea, or 802.3ad LAC that the
AIX
system is able to successfully communicate with other systems over
that
aggregated bandwidth. I didn't think that EtherChannel or Link
Aggregation
could be done across multiple switches. Thoughts?
Best,
Alan
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