Re: Generating UDP broadcast from router using RTR possible?

From: Pierre-Alex (paguanel@hotmail.com)
Date: Thu Jun 15 2006 - 06:03:16 ART


Yes , that's cool .

----- Original Message -----
From: "Koen Zeilstra" <koen@koenzeilstra.com>
To: "Pierre-Alex" <paguanel@hotmail.com>
Cc: <ccielab@groupstudy.com>
Sent: Thursday, June 15, 2006 10:31 AM
Subject: Re: Generating UDP broadcast from router using RTR possible?

> Piere-Alex,
>
> With help of a blind dns lookup you are able to do at lease UDP broadcast
> to port 53.
>
> Router(conf)# ip domain.lookup
> Router# cisco.com
> Translating "cisco.com"...domain server (255.255.255.255)
>
>
> kind regards,
>
> Koen Zeilstra
>
> -----------------------
> Forgetfulness, n.:
> A gift of God bestowed upon debtors in compensation for their
> destitution of conscience.
>
> On Thu, 15 Jun 2006, Pierre-Alex wrote:
>
> | Is it possible to trick the router into sending UDP broadcasts via rtr?
> |
> | I am getting "encapsulation failure" when running the following:
> |
> | rtr 2
> | type udpEcho dest-ipaddr 10.1.2.255 dest-port 65300
> | request-data-size 1500
> | timeout 50
> | frequency 1
> | rtr schedule 2 life forever start-time now
> |
> |
> | It will greatly help me in testing various things.
> |
> | Thanks
> |
> | Also, I have noticed that my destination port was not respected (but
> this is a
> | minor thing).
> |
> |
> | *Mar 1 01:24:07.393: IP: s=10.1.2.1 (local), d=10.1.2.255
> (Ethernet0/0), len
> | 80, encapsulation
> | failed
> | *Mar 1 01:24:07.393: UDP src=50659, dst=1967
> | r1#
> |
> | Pierre-Alex
> |
> | _______________________________________________________________________
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> |
>
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