Many people run 'ip spd' on busy ciscos. Best regards, David Van Allen - FASTNET(tm) / You Tools Corporation dave@fast.net (888)321-FAST(3278) http://www.fast.net FASTNET - Business and Personal Internet Solutions -----Original Message----- From: Marko B. [mailto:mrako@notwork.net] Sent: Tuesday, February 03, 1998 2:17 PM To: nanog@merit.edu Cc: marko@notwork.net Subject: backbone routers' priority settings for ICMP & UDP Greetings, In my travels I have heard numerous times that it is a popular practice to give ICMP and even UDP traffic a lower priority on backbone routers in times of congestion. Are there any providers that document this policy? How is this policy carried out on the actual hardware? Any pointers would be appreciated. Thanks. -Marko