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    Configuring Connectivity for IS-IS Topology Acquisition

    If BGP-LS is not being used, you must configure one of the IGP protocols on the CSD-Topology. To enable IS-IS on the CSD-Topology, before you begin, complete the following tasks:

    1. Verfiy IP connectivity between a switch (or router) and the x86 appliance on which CSD-Topology software is installed.

    2. Configure interfaces on the JunosVM for IS-IS routing, for example:

      [edit]
      user@csd_topology_junosvm# set interfaces em0 unit 0 family inet address 172.16.16.2/24
      user@csd_topology_junosvm# set interfaces em1 unit 0 family inet address 192.168.179.117/25
      user@csd_topology_junosvm# set interfaces em0 unit 0 family inet address 172.16.16.2/24
      user@csd_topology_junosvm# set interfaces em2 unit 0 family mpls
      user@csd_topology_junosvm# set interfaces lo0 unit 0 family inet address 88.88.88.88/32 primary
      user@csd_topology_junosvm# set routing-options static route 0.0.0.0/0 next-hop 192.168.179.126
      user@csd_topology_junosvm# set routing-options autonomous-system 1001

    To configure IS-IS topology acquisition, see:

    Configuring IS-IS on the CSD-Topology

    To configure IS-IS topology acquisition and enable IS-IS routing, perform the following steps on the CSD-Topology JunosVM:

    1. Configure the policy.
      [edit policy-options]
      user@csd_topology_junosvm# set policy-statement TE term 1 from family traffic-engineering
      user@csd_topology_junosvm# set policy-statement TE term 1 then accept
    2. Populate the traffic engineering database.
      [edit protocols]
      user@csd_topology_junosvm# set mpls traffic-engineering database import policy TE
    3. Configure IS-IS.
      [edit protocols]
      user@csd_topology_junosvm# set isis interface interface level level metric metric
      user@csd_topology_junosvm# set isis interface interface point-to-point

    Configuring IS-IS Over GRE on the CSD-Topology

    Once you have configured IS-IS on the CSD-Topology, you can take the following additional steps to configure IS-IS over GRE:

    1. Initiate an SSH or telnet session using the IP address for the CSD-Topology JunosVM external IP address.
    2. Configure the tunnel.
      [edit interfaces]
      user@csd_topology_junosvm# set gre unit 0 tunnel source local-physical-ip
      user@csd_topology_junosvm# set gre unit 0 tunnel destination destination
      user@csd_topology_junosvm# set gre unit 0 family inet addresstunnel-ip-addr
      user@csd_topology_junosvm# set gre unit 0 family iso
      user@csd_topology_junosvm# set gre unit 0 family mpls
    3. Add the GRE interface to the IS-IS configuration.
      [edit protocols isis]
      user@csd_topology_junosvm# set interface gre.0 level level metric 65530
      user@csd_topology_junosvm# set interface gre.0 point-to-point

    Modified: 2016-08-29