Stub routing is an EIGRP feature primarily designed to conserve local router resources, such as memory and CPU, and improve network stability. The stub routing feature is most commonly used in hub-and-spoke networks. This feature is configured only on the spoke routers. When configured on the spoke router, the router announces its stub router status using a new TLV in the EIGRP Hello messages. When the hub router receives the Hello packet from the spoke router, one of two things happens:
- If the hub router is running a newer version of software, upon receiving the Hello . . .
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