Supported Platforms
sfm (Chassis Redundancy)
Syntax
Hierarchy Level
Release Information
Statement introduced before Junos OS Release 7.4.
Description
On M40e and M160 routers, configure which Switching and Forwarding Module (SFM) is the master and which is the backup.
Default
By default, the SFM in slot 0 is the master and the SFM in slot 1 is the backup.
Options
slot-number—Specify which slot is the master and which is the backup. On the M40e router, slot-number can be 0 or 1. On the M160 router, slot-number can be 0 through 3.
always—Define this SFM as the sole device.
preferred—Define this SFM as the preferred device of at least two.
Required Privilege Level
interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.