Friday, November 18, 2016

Ping & Traceroute Output Characters Legend - Cisco IOS

Ping Command

The ping command in Cisco IOS is used to determine 3 things
 - Connectivity or Active / Inactive state of a remote host
 - Round trip delay in communicating with a host
 - Packet Loss

Following output characters can be obtained after issuing a ping:














Traceroute Command

The traceroute command in Cisco IOS is used to determine the path that packets actually take when traveling to their destination.

Following output characters can be obtained after issuing a traceroute:














Note: Outputs of Cisco ASA for the above basic troubleshooting commands can be slightly different, As an example "?" in a ping command output is used to indicate a simple timeout. Default timeout to get an echo reply is 2 seconds on Cisco routers and Firewalls.

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