Re: Need an IOS recommmendation for 7500+dot1q+PA-MC-2T3+PA-POS-OC3

From: Charlie Watts (cewatts@frontier.net)
Date: Wed Jun 20 2001 - 11:07:52 EDT


On Mon, 18 Jun 2001, Siva Valliappan wrote:
> On Mon, 18 Jun 2001, Joe McGuckin wrote:
> > We have a Cisco 7500 with (among other cards) the following:
> > - PA-POS-OC3
> > - PA-MC-2T3
> >
> > We are currently running 12.0(6)S (rsp-k3pv-mz.120-6.S.bin)
> >
> > I would like to move to a more recent version of IOS that
> > supports ethernet dot1q encapsulation.
> >
>
> i assume you are running this with a FE or GE interface?
>
> > Does the latest 12.0S service provider (-p-) build support
> > dot1q?
>
> yes

Do you know if this is documented somewhere?

Neither 802.1q or ISL show up in the Feature Navigator for 12.0S. I ended
up grabbing 12.1 because I needed ISL or 802.1q.

http://www.cisco.com/cgi-bin/Support/FeatureNav/FN1.pl?HStartForm1=True

Looking at the 12.0S release notes, it looks like ISL was added in
12.0(5)S -> but it still isn't in the Feature Navigator.

What would be the right place to report this? (Or, am I just missing
something?)

OK, second question: Are they dCEF switched in the latest 12.0S images?
ISL is (claimed, anyway) to be dCEF switched in 12.1 but 802.1q isn't
until 12.1T.

Third question: Do I care if they are dCEF switched? This is a 7507 with a
T3 and 2 FE's, each with a 2924xl and a bunch of ISL VLAN's. Traffic is
likely to be below 30mbits for the forseable future.

-- 
Charlie Watts
cewatts@frontier.net                                Frontier Internet
Systems Janitor and Network Plumber           http://www.frontier.net/



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