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4.1.1. Routing Protocol Codes
| Code | Protocol | Type |
|---|---|---|
| C | Connected | Directly attached |
| L | Local | Interface's own IP address |
| S | Static | Manually configured |
| R | RIP | Distance vector |
| O | OSPF | Link state |
| D | EIGRP | Advanced distance vector |
| B | BGP | Path vector |
| * | Candidate default | Default route |