North American Network Operators Group
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Re: ICMP Blocking Woes

  • From: mike harrison
  • Date: Mon Sep 29 13:30:54 2003 
> dependant upon ICMP for network mapping purposes
> (read: traceroute).  On or about August 18, we were
> told, our upstream provider began blocking ICMP

If your uptream is only blocking 92 bute ICMP..
other programs such as WinMTR

http://www.icnet.ro/~stanimir/winmtr/

should work. 

If they are blocking ALL ICMP traffic, well..
a whole slew of issues is at hand.