If the Physical Layer Is Up, Why Cannot the Link Layer Be Up?

Created Apr 13, 2017 08:40:52Latest reply Apr 13, 2017 14:57:08 733 2 0 0
If the Physical Layer Is Up, Why Cannot the Link Layer Be Up?
  • x
  • convention:

user_2790689  Expert   Created Apr 13, 2017 11:45:20 Helpful(0) Helpful(0)

ding
  • x
  • convention:

Adamcolob     Created Apr 13, 2017 14:57:08 Helpful(0) Helpful(0)

This section lists frequently asked questions and their answers.

The possible causes include:
Authentication fails.
If IPCP is selected in NCP, the IP address needs to be assigned.
In the interconnection with other devices, the negotiation requirements for the both differ (you can set some negotiation fields).
  • x
  • convention:

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