Route Redistribution

Redistribution injects routes from one routing source/protocol into another.

Updated: 2026-03-06

Definition

Route redistribution shares routes between different routing protocols (e.g., static into OSPF).

It must be done carefully to avoid loops, suboptimal routing, and instability.

Key points

Shares routes between protocols
Risk: loops and metric issues
Use route filtering and summarization where possible

Common mistakes

Redistributing too much and causing routing instability.
Not controlling metrics and tags, leading to loops.

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Cisco CCNA 200-301

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