While troubleshooting or working on day to day operational activities on network devices, ping response to other devices may sometime respond with some weird looking characters.Ping operates by sending [p2p type=”slug” value=”internet-control-message-protocol-icmp”]ICMP [/p2p]Echo Request packets to the target and receives ICMP Echo Reply. Below are list of output one may get when pinging ([p2p type=”slug” value=”ip-addressing-scheme-ipv4″]ipv4[/p2p]) another IP. The symbols are interpreted below for clarity –