Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?


log-warning (Multicast Forwarding Cache)


Hierarchy Level


Specify the threshold at which the device logs a warning message in the system log for multicast forwarding cache entries. This threshold is a percentage of the maximum number of multicast forwarding cache entries received by the device. Configuring the threshold statement globally for the multicast forwarding cache or including the family statement to configure the thresholds for the IPv4 and IPv6 multicast forwarding caches are mutually exclusive.

To confirm the configured warning threshold, use the show multicast forwarding-cache statistics command.


value—Percentage of the number of multicast forwarding cache entries that can be added to the cache that starts triggering the warning. You must explicitly configure the suppress value to configure a warning threshold value.

  • Range: 1 through 100

Required Privilege Level

routing—To view this statement in the configuration.

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

Release Information

Statement introduced in Junos OS Release 12.2.