Analyzing Routes to Dial-In Clients

There are a number of issues and complications that dial-in access creates. This section discusses host routes created by the dial process and EIGRP bandwidth concerns.

Host Routes

Typically, dial in is handled through the Point-to-Point Protocol (PPP). When a PPP session is initiated, a host route (/32) is created on the access server for the remote site, and the host route is removed when the call is dropped. If there is a large number of dial-in clients, this can create a significant amount of network activity as the network reacts to these host routes appearing and disappearing.

There are two methods of eliminating this influx of network activity in EIGRP. First, you can define the command no ip peer ...

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