3Com VCX V7122 SIP, User Manual

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3Com VCX V7122/SIP VoIP Gateway User Manual
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Solutions to Possible Problems
Possible Common Problems
Solutions to possible common problems are described in Table 27 .
Table 27
Solutions to Common Problems
Problem Possible Cause Solutions
Software does not function in VCX
V7122 Try to ping the VCX V7122. If ping fails, check for
network problems/definitions and try to reset the
VCX V7122/SIP.
Network problem Check cables.
Check if default router can reach IP of the Gateway.
Check if the Gateway got the correct IP.
Network definitions
Check the validity of IP address, subnet, and default
Gateway.
If default Gateway is not used, enter 0.0.0.0.
Connect the PC with BootP server
directly to the Gateway, using
network cross cable or connect the
Gateway LAN port using simple
Hub/Switch.
Add BootPRetries = 4 line to INI file.
BootP server did not receive the Gateway BootP
request. Some Cisco switches do not pass BootP
requests just after Gateway reset.
Check if BootP Server replied to the Gateway at
restart. It is seen in the log of BootP Server.
Try to restart BootP Server.
No
communication
BootP did not reply to the board
Check the MAC address of the Gateway in BootP
Server.