You can prevent host entries from occupying longest prefix match (LPM) table space by configuring the no-host-as-lpm CLI option. This option blocks additional host entries from overflowing into the LPM table, ensuring that routing for these hosts is based solely on LPM routes. To enable this feature, use the set forwarding-options no-host-as-lpm command and restart the Packet Forwarding Engine. This preservation of LPM table space allows for accommodating more subnet routes, enhancing routing efficiency.
| Product / Application | Software | Introduced Release |
|---|---|---|
| EX4100 | Junos OS | 25.2R1 |
| EX4100-F | Junos OS | 25.2R1 |
| EX4100 Multigigabit | Junos OS | 25.2R1 |
| EX4300 Multigigabit | Junos OS | 25.2R1 |
| EX4400 | Junos OS | 25.2R1 |
| EX4400 Multigigabit | Junos OS | 25.2R1 |
| EX4400-24X | Junos OS | 25.2R1 |
| EX4650-48Y | Junos OS | 25.2R1 |
| QFX5120-48Y | Junos OS | 25.2R1 |
| QFX5120-32C | Junos OS | 25.2R1 |
| QFX5120-48T | Junos OS | 25.2R1 |
| QFX5120-48YM | Junos OS | 25.2R1 |