90 Chapter 2 CLI Command Summary
Warnings
If the system cannot map an address for a host name, it returns a "%Unknown Host" error message.
Related commands
trace ip {host address}
Examples
CES>ping 122.104.11.112
PING 122.104.11.112: 56 data bytes
64 bytes from 122.104.11.112: icmp_seq=0. time= 16 ms
64 bytes from 122.104.11.112: icmp_seq=1. time=<16 ms
64 bytes from 122.104.11.112: icmp_seq=2. time=<16 ms
3 packets transmitted, 3 packets received, 0% packet loss
CES>ping badaddress.com
ping: unknown host baddaddress.com
CES>ping 10.0.4.44
PING 10.0.4.44: 56 data bytes
ping: timeout
no answer from 10.0.4.44
The examples show a successful ping command, an attempt to ping an unknown host address, and an attempt to ping an unreachable IP address.