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Why can HDLC but not PPP go up on a POS interface?

Latest reply: Apr 13, 2017 06:56:48 1294 2 0 0 0


Could you please help to verify Why can HDLC but not PPP go up on a POS interface when remote loopback is performed on this interface?

Thanks for any suggestions!

  • x
  • convention:

Created Apr 13, 2017 03:43:59

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  • x
  • convention:

Created Apr 13, 2017 06:56:48

When remote loopback is performed on a POS interface, the magic number mechanism of PPP will detect a loop, causing LCP negotiation to fail. As a result, the link layer protocol PPP cannot go Up.
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  • x
  • convention:


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