offer-period
Syntax
offer-period milliseconds;
Hierarchy Level
[edit logical-systems logical-system-name protocols pim interface (Protocols PIM) interface-name bidirectional df-election], [edit logical-systems logical-system-name routing-instances routing-instance-name protocols pim interface (Protocols PIM) interface-name bidirectional df-election], [edit protocols pim interface (Protocols PIM) interface-name bidirectional df-election], [edit routing-instances routing-instance-name protocols pim interface (Protocols PIM) interface-name bidirectional df-election]
Description
Configure the designated forwarder (DF) election
offer period for bidirectional PIM. When a DF election Offer or Winner
message fails to be received, the message is retransmitted. The offer-period statement modifies the interval between repeated
DF election messages. The robustness-count statement determines
the minimum number of DF election messages that must fail to be received
for DF election to fail. To prevent routing loops, all routing devices
on the link must have a consistent view of the DF. When the DF election
fails because DF election messages are not received, forwarding on
bidirectional PIM routes is suspended.
If a router receives from a neighbor a better offer than its
own, the router stops participating in the election for a period of robustness-count * offer-period. Eventually, all routers except
the best candidate stop sending Offer messages.
Options
milliseconds—Interval to wait before retransmitting DF Offer and Winner
messages.
Range: 100 through 10,000 milliseconds
Default: 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 12.1.