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Troubleshooting
Issue 1 — December 2002
4-11DEFNETM.PDF — Avaya CT 1.2
2. TCP Connection Problems
■ No Response — The G3PD expects, but did not receive, a
response to a connection request or a DEFINITY LAN Gateway
heartbeat message that it sent to the DEFINITY LAN Gateway
application. Check the physical connections.
■ Client Too Slow — The DEFINITY LAN Gateway application closed
the TCP link because it did not receive the connection request from
the G3PD quickly enough.
■ No Reply to HB — The DEFINITY LAN Gateway application did not
get a response to a heartbeat message.
■ TCP Connect Fail — A remote failure (not a failure on the Windows
NT server) was detected.
■ TCP Internal — An internal software problem was encountered
when setting up the TCP connection with the Windows sockets.
3. Other TCP/IP Problems
The following steps may help solve other TCP/IP problems. If any problem
cannot be resolved, contact Services.
a. Check the Windows NT TCP/IP administration for the G3PD
Network Interface Card (NIC). Verify that the IP address and subnet
mask are correct.
b. Check that the IP address and remote host destination are correct
on the G3 PBX Driver Configuration dialog box (see Figure 2-1).
Refer to ‘‘Using the G3 PBX Configuration Utilities’’ in Chapter 2.
c. Check the TCP/IP administration and brouter administration for the
DEFINITY LAN Gateway.
d. Use the ping command provided with the DEFINITY LAN Gateway
and the netstat command on Windows NT to verify that TCP/IP
connectivity can be established between the Tserver and the
DEFINITY LAN Gateway.
The ping report can be used to see if it is possible to reach the
Tserver from the DEFINITY LAN Gateway.
4. Mismatched Version or Potential Software Problems
■ Unexpected Msg — The G3PD received a message that it did not
expect or a message with an invalid size.
■ Invalid Version — The G3PD and the DEFINITY LAN Gateway
application have different DEFINITY LAN Gateway Tunnel Protocol
versions. Check the version via the Maint menu of the DEFINITY
G3PD Administrator utility. See the ‘‘Version Command’’ section in
Chapter 3.
■ Invalid Context — The DEFINITY LAN Gateway received a valid
message type, but it was out of context and unexpected. Report to
Services.