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interface (all | interface-name) {disable;bfd-liveness-detection {authentication {algorithm algorithm-name;key-chain key-chain-name;loose-check;}detection-time {threshold milliseconds;}minimum-interval milliseconds;minimum-receive-interval milliseconds;transmit-interval {threshold milliseconds;minimum-interval milliseconds;}multiplier number;}checksum;csnp-interval (seconds | disable);hello-padding (adaptive | loose | strict);ldp-synchronization {disable;hold-time seconds;}lsp-interval milliseconds;mesh-group (value | blocked);no-adjacency-holddown;no-ipv4-multicast;no-ipv6-multicast;no-ipv6-unicast;no-unicast-topology;passive;point-to-point;level level-number {disable;hello-authentication-type authentication;hello-authentication-key key;hello-interval seconds;hold-time seconds;ipv4-multicast-metric number;ipv6-multicast-metric number;ipv6-unicast-metric number;metric metric;passive;priority number;te-metric metric;}}

Hierarchy Level

[edit logical-systems logical-system-name protocols isis],[edit logical-systems logical-system-name routing-instances routing-instance-name protocols isis],[edit protocols isis],[edit routing-instances routing-instance-name protocols isis]

Release Information

Statement introduced before JUNOS Release 7.4.

Statement introduced in JUNOS Release 9.0 for EX Series switches.


Configure interface-specific IS-IS properties. To configure more than one interface, include the interface statement multiple times.

Enabling IS-IS on an interface (by including the interface statement at the [edit protocols isis] or the [edit routing-instances routing-instance-name protocols isis] hierarchy level), disabling it (by including the disable statement), and not actually having IS-IS run on an interface (by including the passive statement) are mutually exclusive states.


all—Have the JUNOS Software create IS-IS interfaces automatically.

interface-name—Name of an interface. Specify the full interface name, including the physical and logical address components. For details about specifying interfaces, see the JUNOS Network Interfaces Configuration Guide and the JUNOS Services Interfaces Configuration Guide.

The remaining statements are explained separately.

Required Privilege Level

routing—To view this statement in the configuration.

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

Published: 2010-04-14

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