RE: ? how cisco router handle the out-of-order ICMP echo-reply packets

There aren't sequence numbers with ICMP. And the timeout value is watched/triggered before the next ICMP is sent, so there shouldn't really be any ordering problem/interpretation anyway. HTH, Scott -----Original Message----- From: Zhao Ping [mailto:pzhao.cn@gmail.com] Sent: Tuesday, January 06, 2009 6:26 AM To: nanog@merit.edu Subject: ? how cisco router handle the out-of-order ICMP echo-reply packets Hi, Does someone happen to know how the Cisco IOS handle the out-of-order ICMP echo-reply packets? print it as success or lose? Thanks, Zhao Ping