We support family mpls on pseudowire headend termination (PWHT) service interfaces using inter-AS Option B. MX Series devices support for the following features on PWHT service interfaces:
| Product / Application | Software | Introduced Release |
|---|---|---|
| MX240 | Junos OS | 23.1R1 |
| MX301 | Junos OS | 25.4R1 |
| MX304 | Junos OS | 23.1R1 |
| MX480 | Junos OS | 23.1R1 |
| MX960 | Junos OS | 23.1R1 |
| MX2010 | Junos OS | 23.1R1 |
| MX2020 | Junos OS | 23.1R1 |
| MX10003 | Junos OS | 23.1R1 |
| MX10004 | Junos OS | 23.1R1 |
| MX10008 | Junos OS | 23.1R1 |
| MX10016 | Junos OS | 23.1R1 |