North American Network Operators Group
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Re: ICMP Blocking Woes
- From: Geo.
- Date: Tue Sep 30 06:26:14 2003
> AFAIK, it's been that way since Win95. I recall a certain
> vendor's dodgy ISDN router * * * on Windows traceroute, but
> working fine under *ix... for whatever reason, said router didn't
> like the ICMP traceroute, but returned unreachables in response
> to UDP when TTL expired.
WindowsNT tracert.exe uses 92 byte icmp packets. There is a modified version
that uses a smaller sized icmp packet at
http://www.nthelp.com/NT6/tracert_broken.htm that works fine on Windows
2000.
Geo.
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