The General Diagnostic Screen - ZyXEL Communications P-870HN-51B - V1.0 Manual

Chapter 24 Diagnostic
• Loopback test - checks if the MEP port receives its Loop Back Response (LBR)
from its target after it sends the Loop Back Message (LBM). If no response is
received, there might be a connectivity fault between them.
• Link trace test - provides additional connectivity fault analysis to get more
information on where the fault is. If an MEP port does not respond to the source
MEP, this may indicate a fault. Administrators can take further action to check
and resume services from the fault according to the line connectivity status
report.

24.3 The General Diagnostic Screen

Click Maintenance > Diagnostic to open the screen shown next. Ping and
traceroute help check availability of remote hosts and also help troubleshoot
network or Internet connections.
Figure 143 Maintenance > Diagnostic > General
The following table describes the fields in this screen.
Table 89 Maintenance > Diagnostic > General
LABEL
TCP/IP
Address
Ping
Traceoute
246
DESCRIPTION
Type the IP address of a computer that you want to ping in order to test a
connection or trace the route packets take to.
Click this button to ping the IP address that you entered.
Click this button to perform the traceroute function. This determines the
path a packet takes to the specified host.
P-870HN-51b User's Guide