
Troubleshooting Guide 8-23
8.9 Not Able to Establish a PPP Link
Try to dial in as a terminal.
Is the last message displayed a connect message from your modem?
YN
Check for the following:
• Is the correct phone number being used?
• Is the modem connected to the phone line?
• Is the modem set to operate in the auto-answer mode?
• Is the correct adapter and wiring used to connect the modem? (Refer to Appendix B of the CSMIM2 Install Guide for
wiring information.)
Try to dial in again.
Was the dial in successful?
YN
Call Cabletron Technical Support.
A security prompt “username:” or an “annex:” prompt should display.
Did the security prompt “username:” display?
YN
Did the “annex:” prompt display?
YN
Go to Section 8.7 and proceed with that troubleshooting procedure.
Where you expecting a security prompt?
YN
Is the PPP package expecting security?
YN
Enter the command:
ppp
Did an error message display?
YN
PPP on the CSMIM2 is working. The problem may be with the remote host PPP software. Call Cabletron
Technical Support.
With the CSMIM2 in the Admin Mode, enter the following (for example for port 8):
port 8
show port ppp
The following is an example of the resultant display.
port asy8:
local_address: 0.0.0.0 remote_address: 0.0.0.0
dialup_addresses: N metric: 1
slip_ppp_security: N net_inactivity: 10
phone_number: "" do_compression: N
allow_compression: N net_inactivity_units: seconds
ppp_mru: 1500 ppp_acm: 0x0
ppp_security_protocol: none ppp_username_remote: ""
ppp_password_remote: "<unset>" ppp_ncp: all
ppp_ipx_network: 00000000
ppp_ipx_node: 00-00-00-00-00-00
A B C (continue)
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