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    Redundancy Connection for a T320 Router, T640 Router, and T1600 Router

    Figure 1 shows the connection between the master and backup host modules on a T320 router, T640 router, or T1600 router with a Routing Engine 600 (RE-600). Keepalive messages are sent from one Routing Engine to the other over the fxp2 interface found on the Routing Engine. The keepalive message is received by the other host module via the fpx1 interface. A keepalive message is sent back over the fxp2 interface of the other Routing Engine. In this way, the master and the backup host subsystems exchange state information.

    Figure 1: Redundancy Connection for a T320 Router, T640 Router, or T1600 Router (RE-600)

    Redundancy
Connection for a T320 Router, T640 Router, or T1600 Router (RE-600)

    Published: 2012-08-20