Nortel Meridian Meridian 1 Maintenance Manual page 161

Example of an unsuccessful ping operation:
This command tests links 0 and 1.
mlusr> loopback test
Would you like to ping the host machine or perform the
loopback test between ports 0 and 1 on the AM?
Enter p to ping, <cr> to perform loopback (default): p
Note: If a failure occurs in checking for TCP/IP, or if the user
chooses <cr> then the default loopback diagnostic test is
performed for ports 0 and 1.
Enter the IP address in internet dot notation or host name:
1.2.3.4
Invoking ping command.
PING 1.2.3.4: 56 data bytes
----1.2.3.4 PING Statistics----
2 packets transmitted, 0 packets received, 100% packet loss
mlusr>
Meridian Link Release 5C/CCR Release 3C Diagnostic and Maintenance Guide
Chapter 3: Link maintenance commands 149