CCNP CIT Exam Cram 2 (Exam Cram 642-831)

PPP/CHAP TROUBLESHOOTING

  1. encapsulation ppp ” Sets the interface to start accepting PPP protocol traffic.

  2. ppp authentication ” Sets the PPP authentication to either MS-CHAP, PAP, or CHAP.

  3. debug ppp authentication ” Displays the real-time authentication process on the router.

  4. debug ppp negotiation ” Displays the PPP negotiation process in realtime.

  5. debug ppp packet ” Displays in real-time all PPP packets.

ISDN TROUBLESHOOTING

  1. show dialer map ” Displays static and dynamic configuration settings for the dialer map statements.

  2. show dialer interfaces bri ” Displays information about the DDR configuration settings

  3. show interfaces bri ” Displays the BRI interface configurational statistics.

  4. show controller bri ” Displays the internal variable settings and hardware information.

  5. show isdn status ” Displays the three ISDN layer's status as well as the configured local switch type.

  6. show ppp multilink ” Displays the multilink PPP configuration.

  7. debug dialer events ” Displays the real-time DDR process.

  8. clear dialer ” Resets all dialer statistics.

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