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PPPTSM 41: LCP is down: **PPP received an Authenticate Nak from peer** Interface if_name, Board board_number.
Source: PPPTSM-1.1
Explanation: The peer rejected the authentication because of an invalid ID and password.
Action: Load NIASCFG to ensure that the local ID and password entry in the PPP WAN call destination are in the peer's inbound authentication database.
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