Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?


robust-count (Protocols IGMP)


Hierarchy Level


Tune the expected packet loss on a subnet. This factor is used to calculate the group member interval, other querier present interval, and last-member query count.


number—Robustness variable.

  • Range: 2 through 10

  • Default: 2

Required Privilege Level

routing—To view this statement in the configuration.

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

Release Information

Statement introduced before Junos OS Release 7.4.