Statement introduced in Junos OS Release 12.1.
interface interface-name option introduced in Junos OS Release 17.1 for the MX Series.
Modify the maximum size of IS-IS hello packets. IS-IS sends hello packets out of all IS-IS enabled interfaces to discover neighbors and form adjacencies between the devices. Based on the actual MTU of the physical interface, you can configure upto 16000 bytes as the maximum size for IS-IS packets.
Range: 512 through 16000 bytes
Default: 1492 bytes
Required Privilege Level
routing—To view this statement in the configuration.
routing-control—To add this statement to the configuration.