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Hierarchy Level

Release Information

Statement introduced in Junos OS Release 10.0 for MX Series routers.

Statement introduced in Junos OS Release 12.2 for the QFX Series.

Statement introduced in Junos OS Release 12.3R2 for EX Series switches.


Specify the time during which an Inter-Chassis Control Protocol (ICCP) connection must be established after IP route reachability between MC-LAG peers is up. When an MC-LAG peer detects IP route reachability to the MC-LAG peer, it tries to connect to it during the session-establishment-hold-time.


On QFX and EX Series switches, the default session establishment hold time is 300 seconds. However, the session establishment time must be at least 100 seconds higher than the init delay time. You can optionally update the session establishment time to be 340 seconds and the init delay time to be 240 seconds.


secondsTime (in seconds) within which a successful ICCP connection must be established.

Required Privilege Level

routing—To view this statement in the configuration.

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