Re: easy way to scan for issues with path mtu discovery?

2008-06-24 Thread Ingo Flaschberger
Dear Patrick, Does anyone know of an easy way to scan for issues with path mtu discovery along a hop path? E.g. if you think someone is ICMP black-holing along a route, or even on the endpoint host, could you use some obscure nmap flag to find out for sure, and also to identify the

Re: easy way to scan for issues with path mtu discovery?

2008-06-24 Thread Justin Shore
Darden, Patrick S. wrote: Hi all, Does anyone know of an easy way to scan for issues with path mtu discovery along a hop path? E.g. if you think someone is ICMP black-holing along a route, or even on the endpoint host, could you use some obscure nmap flag to find out for sure, and also to

RE: easy way to scan for issues with path mtu discovery?

2008-06-24 Thread Frank Bulk - iNAME
Look at mturoute: http://www.elifulkerson.com/projects/mturoute.php Frank -Original Message- From: Darden, Patrick S. [mailto:[EMAIL PROTECTED] Sent: Tuesday, June 24, 2008 9:28 AM To: nanog@nanog.org Subject: easy way to scan for issues with path mtu discovery? Hi all, Does anyone

Re: easy way to scan for issues with path mtu discovery?

2008-06-24 Thread Bill Owens
On Tue, Jun 24, 2008 at 10:28:12AM -0400, Darden, Patrick S. wrote: Hi all, Does anyone know of an easy way to scan for issues with path mtu discovery along a hop path? E.g. if you think someone is ICMP black-holing along a route, or even on the endpoint host, could you use some