Catalyst IOS refresher site?

Jeremy Bresley brez at
Fri Dec 13 20:25:19 UTC 2013

On 12/13/2013 12:12 PM, Jay Ashworth wrote:
> It's been a bit too long since I was near the high end, so I grabbed a
> 4507 from my local surplus vendor; dual PS, dual supe, Gig Fiber (large
> transceivers, alas, not GBIC), and 3 48port RJ45 POE cards.  For $60.
> I love surplus.
> Is there a good Catalyst-IOS tutorial on line I can buzz through, to
> refresh my memory on where everything is?

Might help if you said what type of line cards and sup you've got.  A SupII era card is CatOS, SupIII and newer are IOS, command sets are completely different, and depending on the line cards you've got, you might have some of the really old L2 only cards (can't remember if you could do L3 on the bastard Gig/FE cards only, or if it was dependent on the particular Sup installed).  That said, if it's an IOS Sup, I'd start here:

Jeremy "TheBrez" Bresley
brez at

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