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Home Documentation Junos OS Junos CLI Reference CLI Reference T

Junos CLI Reference

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Junos CLI Reference
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{ "lLangCode": "en", "lName": "English", "lCountryCode": "us", "transcode": "en_US" }
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topologies (Protocols IS-IS)

date_range 20-Nov-23
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Syntax

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topologies {
    ipv4-multicast;
    ipv6-multicast;
    ipv6-unicast;
}

Hierarchy Level

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[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]

Description

Configure alternate IS-IS multicast or unicast topologies.

The remaining statements are explained separately. See CLI Explorer.

Note:

The IS-IS interface metrics for the IPv4 topology can be configured independently of the IPv6 metrics. You can also selectively disable interfaces from participating in the IPv6 topology while continuing to participate in the IPv4 topology. This lets you exercise control over the paths that unicast data takes through a network.

Default

By default, multicast and unicast topologies are disabled.

Options

ipv4-multicast

Configure alternate IPv4 multicast topologies.

ipv6-multicast

Configure alternate IPv6 multicast topologies.

ipv6-unicast

Configure alternate IPv6 unicast topologies. This statement causes IS-IS to calculate an alternate IPv6 unicast topology, in addition to the normal IPv4 unicast topology, and add the corresponding routes to inet6.0.

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 7.4.

Related Documentation

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