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Home Documentation Junos OS Junos CLI Reference CLI Reference M

Junos CLI Reference

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minimum-hold-time

date_range 03-Jun-24
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Syntax

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minimum-hold-time time-in-seconds;

Hierarchy Level

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[edit protocols bgp],
[edit protocols bgp group group-name  ],
[edit protocols bgp group group-name  neighborip-address  ]

Description

Prevent BGP session establishment toward BGP peers that attempt to negotiate a lower BGP session hold-time than the configured minimum-hold-time. Such BGP peers will be rejected. BGP session establishment attempt will be dropped and a notification message with unacceptable hold time error will be sent to the neighbor. This helps reduce the load on the router by avoid the sending of constant keepalive messages at a high frequency.

Note:

We recommend using Bidirectional Forwarding Detection (BFD) rather than lowering BGP hold timers and also recommend configuring a meaningful minimum-hold-time value (for example, 20 seconds or higher) for all BGP peers (at the BGP group level).

If a BGP remote node does not support BFD, and therefore a lower BGP hold-time is desired for the quicker discovery of a BGP neighbor failure, you can configure a smaller minimum-hold-time value. However, use it with caution and only for a limited number of BGP peers.

Options

time-in-seconds

Specify hold time in seconds.

Required Privilege Level

routing—To view this statement in the configuration.

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

Release Information

Statement introduced before Junos OS Release 19.3.

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