Section 3.0: ISDN Configuration (7 points)

3.1. Basic ISDN (4 points)

  1. Configure ISDN on R1 and R4.

  2. Use network 120.5.72.160/30 and advertise in OSPF Area0.

  3. Do not send passwords in clear text.

  4. Configure ISDN to come up if there is a change in the OSPF domain. Do not use the backup interface command to achieve this task.

  5. All routes should be converged via ISDN.

    ISDN information:

    BRI number on R1 is 99047265

    BRI number on R4 is 99047132

    Switch-type = basic-net3

3.2. PPP Multilink (3 points)

  1. Configure ISDN to bring up both B channels to have more bandwidth.

  2. Verify this by bringing up the ISDN by disabling the switch port for R1 in VLAN-12.

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