level

level (Global IS-IS)

Syntax

level level-number {
    authentication-key key;
    authentication-type type;
    external-preference preference;
    no-csnp-authentication;
    no-hello-authentication;
    no-psnp-authentication;
    preference preference;
    wide-metrics-only;
}

Hierarchy Level

[edit protocols isis],
[edit routing-instances routing-instance-name protocols isis]

Description

Configure the global-level properties.

Options

level-number—IS-IS level number.
Value: 1 or 2

The remaining statements are explained separately.

Usage Guidelines

See Configure Route Preferences.

Required Privilege Level

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

level (IS-IS interfaces)

Syntax

level level-number {
    disable;
    hello-authentication-key key;
    hello-authentication-type authentication;
    hello-interval seconds;
    hold-time seconds;
    metric metric;
    passive;
    priority number;
    te-metric metric;
}

Hierarchy Level

[edit protocols isis interface interface-name],
[edit routing-instances routing-instance-name protocols isis interface interface-name]

Description

Configure the IS-IS level. You can configure one instance of Level 1 routing and one instance of Level 2 routing on each interface, and you can configure the two levels differently.

Options

level-number—IS-IS level number.
Value: 1 or 2
Default: The router operates as both a Level 1 and Level 2 router.

The remaining statements are explained separately.

Usage Guidelines

See Configure IS-IS Levels on an Interface.

Required Privilege Level

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