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PPPTSM 71: LCP is down: **No Authentication or Endpoint Discriminator option is negotiated for Multilink. Authentication has to be enabled.** Interface interface_name, Board board_number.
Source: PPPTSM-1.1
Explanation: Multilink PPP needs an ID for grouping the links. The ID can be either endpoint discriminator or remote system ID. If the peer does not support the endpoint discriminator option, then authentication has to be enabled to obtain the remote system ID.
Action: Load NIASCFG to check the Network Interface/Authentication configuration.
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