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A-4 Reference Guide
If you are trying to call an ISP, confirm the following:
■ The ISP’s directory number
■ The authorization method you use (PAP, CHAP, or none) to
access your ISP account
■ If using PAP or CHAP, the name and password/secret you were
given and their case (uppercase or lowercase)
■ The ISP’s IP address
Check the ISDN event history for more information.
Frame Relay problems
■ Check the LMI to see if the Router is communicating over
Frame Relay.
■ Make sure the Router is auto-detecting the DLCI.
■ Make sure the Router is using inverse ARP for the remote IP
address, or the manually entered remote IP address is correct.
■ Verify the port speed, CIR, B
c
, and B
e
.