My guess it that the "debug ip udp" command will let you look at UDP 
packets generated by the router but not UDP packets forwarded by the 
router. You wouldn't want to slow down the router and ask it to look above 
the IP layer to see if it's a UDP packet and then display it on the console 
if it were.

Try generating DNS queries from the router.

And get a Sniffer! The router isn't a protocol analyzer. ;-)

Priscilla

At 06:47 AM 5/18/01, Dwayne Saunders wrote:
>Hi all,
>         this might be a stupid question but when you use the debug ip udp
on
>a rsm blade of a catalyst 5500 what output would you expect to see. dns on
>one side mail server on the other.
>
>I am getting no output at all when I do a domain lookup from the mail server
>to the dns is this correct or am I meant to see that traffic log to the
>console
>
>D'Wayne Saunders
>CCNA
>FAQ, list archives, and subscription info: 
>http://www.groupstudy.com/list/cisco.html
>Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]


________________________

Priscilla Oppenheimer
http://www.priscilla.com




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