Technical Documentation



cfeb slot-number (always | preferred);

Hierarchy Level

[edit chassis redundancy]

Release Information

Statement introduced before JUNOS Release 7.4.


On M10i routers only, configure which Compact Forwarding Engine Board (CFEB) is the master and which is the backup.


By default, the CFEB in slot 0 is the master and the CFEB in slot 1 is the backup.


slot-number—Specify which slot is the master and which is the backup.

always—Define this CFEB as the sole device.

preferred—Define this CFEB as the preferred device of at least two.

Usage Guidelines

See Configuring CFEB Redundancy on the M10i Router.

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.

Published: 2010-01-13