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    Configuring Tunnel Interfaces (SRC CLI)

    You can configure tunnel interfaces to use the redirect server in deployments where a router running JunosE Software does not have a direct connection to the C Series Controller.

    Before you configure a tunnel interface, configure the interface on the C Series Controller.

    See Configuring Gigabit Ethernet Interfaces for IPv4 (SRC CLI)

    Use the following configuration statements to configure tunnel interfaces at the [edit] hierarchy level:

    interfaces name tunnel {mode (ipip | gre | sit);destination destination;source source;;key key;interface interface;ttl ttl;}
    interfaces name unit unit-number family inet {address address;}

    To configure a tunnel interface on a C Series Controller:

    1. From configuration mode, access the configuration statement that configures tunnel interfaces.
      [edit]user@host# edit interfaces name tunnel

      For example:

      [edit]user@host# edit interfaces ip-tunnel tunnel
    2. Configure the type of tunnel.
      [edit interfaces ip-tunnel tunnel]user@host# set mode ipip

      or

      [edit interfaces ip-tunnel tunnel]user@host# set mode gre

      or

      [edit interfaces ip-tunnel tunnel]user@host# set mode sit
    3. Specify the IP address of the remote end of the tunnel.
      [edit interfaces ip-tunnel tunnel]user@host# set destination destination

      For example:

      [edit interfaces ip-tunnel tunnel]user@host# set destination 192.0.2.20
    4. (Optional) Specify an IP address that will not change for the local tunnel endpoint. It must be an address on another interface of this host.
      [edit interfaces ip-tunnel tunnel]user@host# set source source

      For example:

      [edit interfaces ip-tunnel tunnel]user@host# set source 192.20.10.5
    5. (Optional) For a GRE tunnel, specify a key.
      [edit interfaces ip-tunnel tunnel]user@host# set key key

      For example:

      [edit interfaces ip-tunnel tunnel]user@host# set key 250
    6. (Optional) Specify an existing physical interface on the C Series Controller.
      [edit interfaces ip-tunnel tunnel]user@host# set interface interface

      For example:

      [edit interfaces ip-tunnel tunnel]user@host# set interface eth0
    7. (Optional) Specify the lifetime of tunneled packets.
      [edit interfaces ip-tunnel tunnel]user@host# set ttl ttl

      For example:

      [edit interfaces ip-tunnel tunnel]user@host# set ttl 110
    8. Verify the configuration by running the show command. For example:
      [edit interfaces]
      user@host# show
      
      unit 0 {
       family { 
          inet6 { 
            address 192.2.0.10/24;
          }
        }
      }
      ip-tunnel {
        tunnel { 
            mode ipip;
            destination 192.0.2.20;
            source 192.20.10.5;
            interface eth0;
            ttl 110;
          }
      }

    Published: 2014-12-10