[c-nsp] Will UDLD work with converters ?

[Gert Doering]

Hi,

On Fri, Oct 02, 2009 at 04:14:56PM +0100, Nick Hilliard wrote:
> On 02/10/2009 15:27, Justin Shore wrote:
> >Back to your question though, yes UDLD should work fine over MCs.
> 
> as someone else noted, only for optical transceivers.  TX does not support 
> UDLD (which was what the original poster was wondering about).

Well, the "someone" was me, and my routers tell me I have no clue... :-)

It seems that this was an older restriction on CatOS boxes, and I never
even tried enabling it in "more recent" IOS versions - and indeed, it
*does* work on copper ports in at least SXF13 and SXH3a.

Cisco-M-XXI#sh udld g1/2   
Interface Gi1/2
---
Port enable administrative configuration setting: Enabled
Port enable operational state: Enabled
Current bidirectional state: Bidirectional
...

Cisco-M-XXI#sh int status
Gi1/2              connected    routed     a-full a-1000 10/100/1000BaseT


Mmmmh :-)  (Not that this would usually be necessary, as GigE T autoneg
would notice if the link isn't properly wired)

gert

-- 
USENET is *not* the non-clickable part of WWW!
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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