Dell S6000 FTOS 9.0(2.0) Command Line Reference Guide for the System - Page 515
Intermediate System to Intermediate System (IS-IS), Overview, Commands
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23 Intermediate System to Intermediate System (IS-IS) Overview Intermediate System to Intermediate System Protocol (IS-IS) for IPv4 and IPv6 is supported on the S-Series platform, as indicated by the character under each command heading, on the S4810 (indicated by , S6000 and Z9000 (indicated by the z character). IS-IS is an interior gateway protocol that uses a shortest-path-first algorithm. IS-IS facilitates the communication between open systems, supporting routers passing both IP and OSI traffic. A router is considered an intermediate system. Networks are partitioned into manageable routing domains, called areas. Intermediate systems send, receive, and forward packets to other routers within their area (Level 1 and Level 1-2 devices). Only Level 1-2 and Level 2 devices communicate with other areas. IS-IS protocol standards are listed in the Standard Compliance chapter in the FTOS Configuration Guide. Note: The fundamental mechanisms of IS-IS are the same between IPv4 and IPv6. Where there are differences between the two versions, they are identified and clarified in this chapter. Except where identified, the information in this chapter applies to both protocol versions. Commands The following are the FTOS commands to enable IS-IS. • adjacency-check • advertise • area-password • clear config • clear isis • clns host • debug isis • debug isis adj-packets • debug isis local-updates • debug isis snp-packets • debug isis spf-triggers | 515