Mocomtech CIM-550 - Manual (Page 451)

CiM-550 IP Enabled Satellite Modem Rev. 2
CiM IP Module Checkout & Fault Isolation CD/CIM550.IOM
425
14.3 T ROUBLESHOOTING IP M ODULE
Use the following troubleshooting steps if unable to succesfully complete “CiM IP
Module Checkout”.
Step Problem Action
1) Verify correct IP address/subnet on PC and CiM. 1 No Ping response from the
locally connected PC to the CiM
ethernet port. ICMP resonse is
‘Request timed out’ or
‘Destination host unreachable’.
2) Verify ethernet connection – cables, hub, etc. PC
and CiM should have Ethernet activity LED lit.
NOTE: a PC must be connected to the CiM using a
hub, switch or a RJ45 crossover cable.
2 No Ping response from the
locally connected PC to the CiM
HDLC port. ICMP resonse is
‘Request timed out’ or
‘Destination host unreachable’.
1) Verify the PC gateway is set to the IP address of
the CiM ethernet port
3 No Ping response from PC 1 to
PC 2 or vice versa. ICMP
resonse is
‘ Reply from 172.1X.10.10 -
Destination host unreachable’
1) Verify CiM Route Tables are correct
1) Verify CiM HDLC IP address/subnet and HDLC
Channel Address settings are correct. 4 No Ping response from PC 1 to
PC 2 or vice versa. ICMP
resonse is
‘ICMP resonse is ‘Request timed
out’.
2) Send a constant ping from the PC 1 ‘ping
172.1X.10.100 –t’ to PC 2. In the CiM 1, go to
Operations and Maintenance/Diagnostics. Enable
‘Dump Packets transmitted to Satellite Interface”.
Verify that the Pings are being transmitted by
observing 1 packet on CLI every second. If not
displayed, reverify PC 1 and CiM 1 settings.