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TCP path MTU discovery enables BGP to automatically discover the best TCP path MTU for each BGP session. In Junos OS, TCP path MTU discovery is disabled by default for all BGP neighbor session.
| Product / Application | Software | Introduced Release |
|---|---|---|
| ACX7020 | Junos OS Evolved | 25.2R1 |
| ACX7020 | Junos OS Evolved | 24.4R2 |
| ACX7024 | Junos OS Evolved | 22.3R1 |
| ACX7024X | Junos OS Evolved | 23.4R1 |
| ACX7100-32C | Junos OS Evolved | 21.4R1 |
| ACX7100-48L | Junos OS Evolved | 21.4R1 |
| ACX7332 | Junos OS Evolved | 23.4R1 |
| ACX7348 | Junos OS Evolved | 23.4R1 |
| EX4000-8P | Junos OS | 24.4R1-S2 |
| EX4000-12P | Junos OS | 24.4R1-S2 |
| EX4000-12T | Junos OS | 24.4R1-S2 |
| EX4000-24P | Junos OS | 24.4R1-S2 |
| EX4000-24T | Junos OS | 24.4R1-S2 |
| EX4000-48P | Junos OS | 24.4R1-S2 |
| EX4000-48T | Junos OS | 24.4R1-S2 |
| PTX10001-36MR | Junos OS Evolved | 20.2R1 |
| PTX10004 | Junos OS Evolved | 20.3R1 |
| PTX10008 | Junos OS Evolved | 20.3R1 |
| PTX10008 | Junos OS Evolved | 20.1R1 |
| PTX10016 | Junos OS Evolved | 21.2R2 |
| PTX10002-36QDD | Junos OS Evolved | 24.2R2 |