- ssb slot-number (always | preferred);
- [edit chassis redundancy]
Statement introduced before JUNOS Release 7.4.
On M20 routers, configure which System and Switch Board (SSB) is the master and which is the backup.
By default, the SSB in slot 0 is the master and the SSB in slot 1 is the backup.
slot-number—Specify which slot is the master and which is the backup.
always—Define this SSB as the sole device.
preferred—Define this SSB as the preferred device of at least two.
See Configuring SSB Redundancy on the M20 Router.
interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.