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Home Documentation Junos OS Junos CLI Reference CLI Reference O

Junos CLI Reference

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Junos CLI Reference
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offer-period

date_range 20-Nov-23
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Syntax

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offer-period milliseconds;

Hierarchy Level

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[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.

Related Documentation

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