| Protocol | Type | Max Equal Cost Paths |
Cisco Administrative Distance |
VLSM Support |
Default Timer Values (Seconds) |
|||
Update |
Invalid | Hold Down | Flush | |||||
| Connected | n/a | 0 | yes | n/a | n/a | n/a | ||
| Static | n/a | 1 | yes | n/a | n/a | n/a | ||
| RIP (v1) | Distance Vector | 120 | no | 30 | 180 | 120 | 300 | |
| RIP (v2) | Distance Vector | yes | 30 | 180 | 120 | 300 | ||
| IGRP | Distance Vector | 4 | 100 | no | 90 | 270 | 360 | 630 |
| EIGRP (summary) | Hybrid | 5 | yes | |||||
| EIGRP (internal) | Hybrid | 90 | yes | |||||
| EIGRP (external) | Hybrid | 170 | yes | |||||
| OSPF | Link State | 110 | yes | |||||
| IS-IS | Link State | 115 | ||||||
| eBGP | Path-Vector | 20 | ||||||
| iBGP | Path-Vector | 200 | yes | 90 | ||||
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