Re: ISL and Gigabit ethernet

From: Michael Needham (mineedha@xxxxxxxxx)
Date: Fri Apr 14 2000 - 19:33:53 GMT-3


   
That is correct... Only dot1q on the 9 port GIG :)

mheil@csc.com wrote:
>
> We have been successfully using 802.1q (dot1q) for almost 2 years, but I don'
t
> believe it supports PVST. At least on the version of code on the 9 port modu
le.
>
> Mark Heil
>
> Asbjorn@hojmark.org on 04/13/2000 10:31:59 PM
>
> Please respond to Asbjorn@hojmark.org
>
> To: carl_commander@hotmail.com
> cc: ccielab@groupstudy.com (bcc: Mark J Heil/GIS/CSC)
> Subject: RE: ISL and Gigabit ethernet
>
> > I have tried configuring ISL on these gigabit links but it
> > says that this feature is not supported on my 9 port gig
> > module (ws-x5410).
>
> That is correct. The 9-port GE module doesn't support ISL in any
> release. ISL isn't supported on anything using the granite ASICs
> (aka K1) which also includes the 4000 series. I was told this is
> a limitation in the chipset.
>
> You can get a list of what is and isn't supported on a given port
> by using 'sh port capa'.
>
> HTH,
> -A
> --
> Heroes: Vint Cerf & Bob Kahn, Leonard Kleinrock, Robert Metcalfe
> Links : http://www.hojmark.org/networking/
>



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