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detection (Network Isolation Groups)

Syntax

Hierarchy Level

Description

Configure detection parameters in a network isolation group for an EVPN network. The device uses these parameters to detect network isolation condition changes. You also specify how long to delay before the device records and acts on a network isolation status change.

A network isolation condition means a bridge domain, VLAN, or EVPN instance (EVI) becomes isolated from the EVPN core network, usually for one or more of the following reasons:

  • The associated interconnecting physical or logical links are down.

  • The device doesn't have routes to the remote endpoints in the bridge domain, VLAN, or EVI.

Options

hold-time down milliseconds

When evaluating the device has experienced a network isolation condition, the time the device waits in milliseconds before declaring the network is not reachable. Specify a value of 1 or more milliseconds.

hold-time up milliseconds

When evaluating if the device has recovered from a network isolation condition, the time the device waits in milliseconds before declaring the network is reachable. Specify a value of 1 or more milliseconds.

You usually want to set a hold time greater than 0 so the device isn't excessively processing rapid status changes.

The remaining statements are explained separately. See CLI Explorer.

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 and Junos OS Evolved Release 23.1R1.