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Mastering Frame Relay Operations and Topologies

Learn about Frame Relay LMI status mechanisms, hub-and-spoke topologies, split horizon issues, and solving them with subinterfaces. Discover the benefits of Frame Relay multipoint configurations and how to manage routing protocols effectively in such setups.

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Mastering Frame Relay Operations and Topologies

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  1. Chabot College Frame Relay Part 2

  2. Frame Relay Operation Hub-and-spoke Topology

  3. Frame Relay Operation

  4. LMI Provides Status Mechanism. Tells you a VC is ACTIVE, INACTIVE, or DELETED

  5. LMI and Inverse ARP (I-ARP)

  6. LMI and Inverse ARP (I-ARP)

  7. LMI and Inverse ARP (I-ARP)

  8. LMI and Inverse ARP (I-ARP)

  9. FR and Split Horizon • Frame Relay allows for multipoint configurations. • More than two routers can belong to the same IP subnet. This is problematic in hub-and-spoke topologies. • Routing protocols have split horizon issues. • If a routing protocol (e.g. RIP) is following split horizon rules, it cannot send updates out the same logical interface they were received on.

  10. FR and Split Horizon

  11. FR and Split Horizon Using subinterfaces solve split horizon issues.

  12. Frame Relay Subinterfaces • Two kinds of FR subinterfaces: • Point-to-point • Multipoint

  13. Frame Relay Subinterfaces

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