Reference Guide for the Model RH340 Internet Access ISDN Router
Troubleshooting
6-5
Troubleshooting an ISP Connection
To troubleshoot an ISP connection:
1.
Verify that the ISDN line is synchronized.
Check that the ISDN D LED is on. If the D LED is off, then refer to
“Troubleshooting the
ISDN Line
,” on
page 6-2
.
2.
Run the ISP Connection Test, using FirstGear.
If the test fails, the progress of the call is displayed on the window.
Figure 6-1
, as illustrated
below, shows an example of a trace display for a successful call when using a TCP/IP protocol
connection.
Figure 6-1.
Trace Display for a Successful TCP/IP Protocol Connection
In the example shown, the trace steps indicate the following progress:
•
$$$ DIALING dev=2 ch=0
The router is dialing. The ‘ch=0’ indicates that B channel 1 is being used.
•
$$$ OUTGOING-CALL phone(18005551212)
The exact number being dialed is shown in parentheses.
•
$$$ CALL CONNECT speed<64000> type<2> chan<0>
The call has been answered, and a data rate of 64 Kbps has been established.
Start dialing for node <1>
### Hit any key to continue.###
$$$ DIALING dev=2 ch=0
$$$ OUTGOING-CALL phone(18005551212)
$$$ CALL CONNECT speed<64000> type<2> chan<0>
$$$ LCP opened
$$$ PAP sending user/pswd
$$$ IPCP negotiation started
$$$ CCP stopped
$$$ BACP stopped
$$$ IPCP neg' Primary DNS 172.16.215.11
$$$ IPCP neg' Secondary DNS 172.16.215.12
$$$ IPCP opened
$$$ Connect Success
