[NTLUG:Discuss] MS Windows vs. Linux Trace Route

[Carl Haddick]

-----Original Message-----
From: discuss-bounces at ntlug.org [mailto:discuss-bounces at ntlug.org] On Behalf
Of Jay Urish
Sent: Thursday, June 24, 2010 10:23 AM
To: NTLUG Discussion List
Subject: Re: [NTLUG:Discuss] MS Windows vs. Linux Trace Route

On 6/24/2010 9:24 AM, Dennis Rice wrote:
> At the school that I am now teaching Linux at has a situation that I 
> have not seen before.
>
> Using a M$ Windows system I am able to perform a tracert from the 
> command line in the lab.  When I use the Linux (Fedora 12) system, 
> traceroute does not work beyond the internal routers, but mtr does.  I 
> typically do a tracert to yahoo.com.
>
> Anyone have thoughts on why?
>
> Dennis

You might try traceroute -I www.yahoo.com.

Traceroute by default uses UDP packets, the -I switch causes it to use pings
(ICMP).

No telling what Winders uses, and it could be the traceroute UDP is being
blocked at your router.

Good luck,

Carl