Section 3.0: ISDN Configuration (5 points)

3.1. Basic ISDN (3 points)

  1. Configure ISDN on R3 and R6.

  2. Use network 167.78.86.12/30.

  3. Advertise ISDN network in OSPF Area2.

  4. Do not configure any dial string on R6.

  5. ISDN should bring up the link after 10 seconds of VLAN-5 link on R3 going down.

  6. ISDN should remain up for 1 minute after VLAN-5 link recovers.

  7. R3 should converge with OSPF, and all routes must learn through OSPF, including the default route.

    ISDN information:

    BRI number on R3 is 99047132

    BRI number on R6 is 99047265

    Switch-type = basic-net3

3.2. PPP Authentication and Load Balancing (2 points)

  1. Configure PPP authentication. Do not configure AAA.

  2. R6 should send host name R6 for PPP authentication.

  3. ISDN should bring up the link if the VLAN-5 link load exceeds ...

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