The is-name map command enables a local device to identify the hostname carried in each LSP and configures a static hostname for the remote IS-IS system.
The undo is-name map command disables a local device from identifying the hostname carried in each LSP and deletes the configured hostname for the remote IS-IS system.
By default, no static hostname is configured locally for the remote IS-IS system.
| Parameter | Description | Value |
|---|---|---|
| system-id |
Specifies the ID of the remote IS-IS system or pseudonode ID. |
- |
| symbolic-name |
Specifies a static hostname of the remote IS-IS system. |
The value is a string of 1 to 64 characters. When quotation marks are used around the string, spaces are allowed in the string. |
Usage Scenario
In most cases, to check information about IS-IS neighbors and LSDBs on an IS-IS device, you need to use a system ID of a 12-digit hexadecimal number, for example, aaaa.eeee.1234. This representation, however, is complicated and not easy to use. The dynamic hostname exchange mechanism is introduced to facilitate maintenance and management of IS-IS networks. The is-name map command is used to configure a simple hostname for the remote device. The configured hostname is not advertised in an LSP.
After the remote device is mapped to a hostname, the system ID of the remote device is replaced with the configured hostname when you run the display isis name-table command.Prerequisites
An IS-IS process has been created using the isis command in the system view.
Precautions
If the local device configures a dynamic hostname and the remote device configures a static hostname for the local device, the dynamic hostname overwrites the static one.