Cisco Implementing and Operating Cisco Service Provider Network Core Technologies (350-501 SPCOR) 350-501 Question # 113 Topic 12 Discussion
350-501 Exam Topic 12 Question 113 Discussion:
Question #: 113
Topic #: 12
A network engineer is configuring RIP as the routing protocol between multiple PEs and CEs. The engineer must avoid advertising the same routes back to their sources. Which action should be performed on the routers to accomplish this task?
A.
Configure a different route distinguisher for each prefix.
B.
Define the site of origin on each interface.
C.
Define VRFs on each device to separate the traffic.
D.
Enable bidirectional forwarding detection on each device.
To avoid advertising the same routes back to their sources when using RIP as the routing protocol between multiple PEs and CEs, the network engineer should define VRFs (Virtual Routing and Forwarding) on each device. VRFs allow for traffic separation by creating separate routing tables for different VPNs or customers. By using VRFs, each CE-PE link can be associated with a specific VRF, ensuring that routes are not inadvertently advertised back to their sources. Other options (A, B, and D) are not directly related to this specific requirement. References: Implementing and Operating Cisco Service Provider Network Core Technologies source documents or study guide.
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