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A segment routing global block (SRGB) is the range of label values reserved for segment routing. You can configure an available SRGB label range for the IS-IS protocols so that the labels are predictable across segment routing domains.
| Product / Application | Software | Introduced Release |
|---|---|---|
| ACX710 | Junos OS | 20.2R1 |
| ACX5448-D | Junos OS | 19.4R1 |
| ACX5448-M | Junos OS | 19.4R1 |
| ACX5448 | Junos OS | 18.4R1 |
| ACX7100-32C | Junos OS Evolved | 21.3R1 |
| ACX7100-48L | Junos OS Evolved | 21.3R1 |
| ACX7332 | Junos OS Evolved | 23.4R1 |
| ACX7348 | Junos OS Evolved | 23.4R1 |
| ACX7509 | Junos OS Evolved | 21.4R1 |
| MX5 | Junos OS | 17.2R1 |
| MX10 | Junos OS | 17.2R1 |
| MX40 | Junos OS | 17.2R1 |
| MX80 | Junos OS | 17.2R1 |
| MX104 | Junos OS | 17.2R1 |
| MX240 | Junos OS | 17.2R1 |
| MX480 | Junos OS | 17.2R1 |
| MX960 | Junos OS | 17.2R1 |
| MX2008 | Junos OS | 17.2R1 |
| MX2010 | Junos OS | 17.2R1 |
| MX2020 | Junos OS | 17.2R1 |
| PTX10001-36MR | Junos OS Evolved | 20.3R1 |
| PTX1000 | Junos OS | 17.2R1 |
| PTX3000 | Junos OS | 17.2R1 |
| PTX5000 | Junos OS | 17.2R1 |
| PTX10004 | Junos OS Evolved | 20.3R1 |
| PTX10008 | Junos OS | 17.2R1 |
| PTX10008 | Junos OS Evolved | 20.3R1 |
| PTX10008 | Junos OS Evolved | 20.1R2 |
| PTX10016 | Junos OS | 17.4R1 |
| PTX10016 | Junos OS Evolved | 21.2R2 |
| PTX10002-36QDD | Junos OS Evolved | 24.4R1 |
| PTX10002-36QDD | Junos OS Evolved | 24.2R2 |