Operation Manual – IPv4 RoutingH3C S5500-EI Series Ethernet Switches Chapter 4 IS-IS Configuration4-18z RFC 1195 - Use of OSI IS-IS for Routing in TCP/IP and Dual Environmentsz RFC 2763 - Dynamic Hostname Exchange Mechanism for IS-ISz RFC 2966 - Domain-wide Prefix Distribution with Two-Level IS-ISz RFC 2973 - IS-IS Mesh Groupsz RFC 3277 - IS-IS Transient Blackhole Avoidancez RFC 3358 - Optional Checksums in ISISz RFC 3373 - Three-Way Handshake for IS-IS Point-to-Point Adjacenciesz RFC 3567 - Intermediate System to Intermediate System (IS-IS) CryptographicAuthenticationz RFC 3719 - Recommendations for Interoperable Networks using IS-ISz RFC 3786 - Extending the Number of IS-IS LSP Fragments Beyond the 256 Limitz RFC 3787 - Recommendations for Interoperable IP Networks using IS-ISz RFC 3847 - Restart signaling for IS-IS4.2 IS-IS Configuration Task ListComplete the following tasks to configure IS-IS:Task RemarksConfiguring IS-IS Basic Functions RequiredSpecifying a Priority for IS-IS OptionalConfiguring IS-IS Link Cost RequiredConfiguring the Maximum Number of Equal CostRoutes OptionalConfiguring IS-IS Route Summarization OptionalAdvertising a Default Route OptionalConfiguring Inbound Route Filtering OptionalConfiguring Route Redistribution OptionalConfiguring IS-ISRoutingInformationControlConfiguring IS-IS Route Leaking Optional