[c-nsp] 7600 router and Etherchannel across multiple line card

[Paul Stewart]

You may wish to clarify the 1Gb/s limit however on the 6148A unless I am
mistaken.  Yes, 1 Gig per ASIC but doesn't the 6148A have one ASIC per 8
ports or am I thinking of a different card?  

Thank you for the clarification...

Paul



-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Peter Rathlev
Sent: June 7, 2009 8:01 PM
To: Ibrahim Abo Zaid
Cc: cisco_nsp
Subject: Re: [c-nsp] 7600 router and Etherchannel across multiple line card

On Mon, 2009-06-08 at 02:09 +0300, Ibrahim Abo Zaid wrote:
> I am trying to establish L2 Etherchannel between 2 7609 routers ,
> SUP720-MSFC3 , PFC is 3BXL and Line cards WS-X6148-GE and IOS is *
> 12.2(33)SRD*
> 
> are there any concerns to establish this etherchannel between ports in
> different line cards ?

Etherchannels are a little pointless on the WS-X6148-GE card and
similiar. They have 1GB/s ASICs, so you'll never exceed 1GB/s anyhow.
And the ASIC to physical port ratio also limits you.

But generally speaking, cross module etherchannels are a good idea and
AFAIK is recommended from Cisco for high availability.

Regards,
Peter


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