No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search


To have a better experience, please upgrade your IE browser.


NE40E V800R010C10SPC500 Configuration Guide - IP Routing 01

This is NE40E V800R010C10SPC500 Configuration Guide - IP Routing
Rate and give feedback:
Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Overview of IS-IS

Overview of IS-IS

ISIS protocol can implement the interworking of large-scale networks.


Intermediate System to Intermediate System (IS-IS) is a dynamic routing protocol initially designed by the International Organization for Standardization (ISO) for its Connectionless Network Protocol (CLNP).

To support IP routing, the Internet Engineering Task Force (IETF) extends and modifies IS-IS in relevant standards, which enables IS-IS to be applied to both TCP/IP and Open System Interconnection (OSI) environments. This type of IS-IS is called Integrated IS-IS or Dual IS-IS.

In this document, IS-IS refers to Integrated IS-IS, unless otherwise stated.


If IS-IS IPv4 and IS-IS IPv6 implement a feature in the same way, details are not provided in this chapter.


As an Interior Gateway Protocol (IGP), IS-IS is used in Autonomous Systems (ASs). IS-IS is a link state protocol, and it uses the Shortest Path First (SPF) algorithm to calculate routes.

Updated: 2019-01-03

Document ID: EDOC1100055018

Views: 54203

Downloads: 209

Average rating:
This Document Applies to these Products
Related Version
Related Documents
Previous Next