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PPPTSM 43: LCP is down: **PPP did not receive an Authenticate Ack from its peer**Interface if_name, Board board_number.

Source:  PPPTSM-1.1

Explanation:  The peer did not respond to the authenticate request.

Action:  Load PPPTRACE on the local and remote sides to see what PPP packets are sent and received. If no PPP authentication ID packet is received from the calling side, verify that authentication is configured correctly. If no PPP packets are received from either side, check the physical line.

  Previous Page: PPPTSM 42: LCP is down: **Maximum reached for Config-Request retries - absence of remote application** Interface if_name, Board board_number.  Next Page: PPPTSM 44: LCP is down: **PPP has rejected peer's negotiation option value too many times** Interface if_name, Board board_number.