https://docs.128technology.com/docs/config_reference_guide/#service-route-policy
to define SR's capacity and rate-limiting
| max-sessions | |
| packet-replication | Default: false. When configured, the SSR will replicate packets to all next-hops configured in the service route(s) referencing this policy. |
| session-high-water-mark | |
| session-low-water-mark | |
| session-rate | |