.. _ISIS Settings:

ISIS
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.. image:: img/Routing-ISIS.png
    :width: 100%
    :align: center
    :alt: Routing ISIS

ISIS stands for Intermediate System to Intermediate System and is a routing protocol designed to move information efficiently within a network.

You can find the ISIS Settings at **Routing → ISIS**.

**Area Password** is the Authentication password for an area.

**Area Password Type** can be either *clear* or *md5* and is *clear* by default.

**Domain Password** is the Authentication password for a domain.

**Domain Password Type** can be either *clear* or *md5* and is *clear* by default.

**Type** is one of the three following:

- Level-1 (Act as a station router only)
- Level-1-2 (Act as both a station router and an area router)
- Level-2-Only (Act as an area router only)

**Custom Options** can be used for custom configuration parameters for the config.

ISIS Interface
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.. image:: img/Routing-ISIS-Interface.png
    :width: 100%
    :align: center
    :alt: Routing ISIS Interface

An ISIS Interface can be defined under **Routing → ISIS → ISIS Interface**.

**Interface** the interface to use.

**IP Type** is either IPv4 or IPv6.

**Circuit Type** is one of the three following:

- Level-1 (only adjancencies are formed)
- Level-1-2 (adjancencies are formed)
- Level-2-Only (only adjancencies are formed)

**Network Type** is either Broadcast or Point-to-Point.

**Passive Mode** to configure the interface as passive.

**Password** and if it is cleartext or MD5.

**Priority** for designated router election.

**Priority Type** is either Level 1 for the area or Level 2 for the domain.

**Three Way Handshake** for P2P adjancencies.

**Enable BFD** for BFD support.

**Custom Options** can be used for custom configuration parameters for the config.