VPRN Service Configuration Commands
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protocol interface is tied to the state of the BFD session between the local node and the remote node.   
The parameters used for the BFD are set via the BFD command under the IP interface.
The no form of this command removes BFD from the associated IGP protocol adjacency.
Default no bfd-enable
bsm-check-rtr-alert
Syntax [no] bsm-check-rtr-alert
Context config>service>vprn>pim>interface
Description This command enables the checking of router alert option in the bootstrap messages received on this 
interface.
Default no bsm-check-rtr-alert
hello-interval
Syntax hello-interval hello-interval
no hello-interval 
Context config>service>vprn>pim>interface
config>service>vprn>pim>mdt>default
Description This command configures the frequency at which PIM Hello messages are transmitted on this 
interface.
The no form of this command reverts to the default value. 
Default 30 
Parameters hello-interval — Specifies the hello interval in seconds. A 0 (zero) value disables the sending of hello 
messages.
Values 0 — 255 seconds
hello-multiplier
Syntax hello-multiplier deci-units
no hello-multiplier
Context config>service>vprn>pim>interface
config>service>vprn>pim>mdt>default
Description This command configures the multiplier to determine the holdtime for a PIM neighbor.
The hello-multiplier in conjunction with the hello-interval determines the holdtime for a PIM 
neighbor.
Parameters deci-units — Specify the value, specified in multiples of 0.1, for the formula used to calculate the 
hello-holdtime based on the hello-multiplier: