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OSPF is an interior gateway protocol (IGP) that routes packets within a single autonomous system (AS). OSPF uses link-state information to make routing decisions, making route calculations using the shortest-path-first (SPF) algorithm. Junos OS supports OSPF version 2 (OSPFv2) and OSPF version 3 (OSPFv3), including virtual links, stub areas, and for OSPFv2, authentication. Junos OS does not support type-of-service (ToS) routing.
| Product / Application | Software | Introduced Release |
|---|---|---|
| ACX710 | Junos OS | 20.2R1 |
| ACX4000 | Junos OS | 12.3X51-D10 |
| ACX5000 | Junos OS | 15.1X54-D20 |
| ACX5448-D | Junos OS | 19.3R1 |
| ACX5448-M | Junos OS | 19.3R1 |
| ACX5448 | Junos OS | 18.2R1 |
| MX5 | Junos OS | 11.2R4 |
| MX10 | Junos OS | 11.2R4 |
| MX40 | Junos OS | 11.2R4 |
| MX80 | Junos OS | 10.2R1 |
| MX104 | Junos OS | 13.2R2 |
| MX150 | Junos OS | 17.3R1 |
| MX204 | Junos OS | 17.4R1 |
| MX240 | Junos OS | 10.0R2 |
| MX301 | Junos OS | 25.4R1 |
| MX304 | Junos OS | 22.2R3 |
| MX480 | Junos OS | 10.0R2 |
| MX960 | Junos OS | 10.0R2 |
| MX2008 | Junos OS | 15.1F7 |
| MX2010 | Junos OS | 12.3R2 |
| MX2020 | Junos OS | 12.3R1 |
| MX10003 | Junos OS | 17.3R1 |
| MX10004 | Junos OS | 22.3R1 |
| MX10008 | Junos OS | 18.2R1 |
| MX10016 | Junos OS | 19.2R1 |
| vMX | Junos OS | 14.1R5 |
| PTX1000 | Junos OS | 16.1X65-D30 |
| PTX3000 | Junos OS | 13.2R2 |
| PTX5000 | Junos OS | 12.1X48R1 |
| PTX10008 | Junos OS | 17.2R1 |
| PTX10016 | Junos OS | 17.4R1 |