From: Michel Grossenbacher (pashtuk@gmail.com)
Date: Mon May 19 2008 - 14:55:17 ART
As I wrote, UDLD in aggressive mode is not only for fibre, it also works for
copper wires (twisted pair). The sentence was a cut&paste from the DocCDs
UDLD configuration guide. :-)
You can discuss about the sense of UDLD for copper but it works and
therefore might be a task in the lab.
best regards
Michel
2008/5/19 Wilson, Cecil <Cecil.Wilson@servicemaster.com>:
> Hello
> Can someone please clarify, if UDLD aggressive mode is use for
> fiber links. Since there are no fiber connection in the lab, does that
> mean there should be no need for the aggressive mode option? Is this
> correct?
>
> Cecil
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Michel Grossenbacher
> Sent: Monday, May 19, 2008 10:57 AM
> To: Dale Kling
> Cc: Daniel Fredrick; ccie; Cisco certification
> Subject: Re: Could anybody explain why udld port command is not available
> under the int port12, while it is available on the member of thie
> etherchannel group?
>
> Yes it can be used also for Twisted-Pair wires, as you said in aggressive
> mode:
>
> In aggressive mode, UDLD can also detect unidirectional links due to
> one-way
> traffic on fiber-optic and twisted-pair links and to misconnected ports on
> fiber-optic links.
>
> http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_25_see/configuration/guide/swudld.html
>
> best regards
>
> Michel
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