1-16Protocols and Standardsz ISO 10589 ISO IS-IS Routing Protocolz ISO 9542 ES-IS Routing Protocolz ISO 8348/Ad2 Network Services Access Pointsz 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) Cryptographic Authenticationz 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 3784: IS-IS extensions for Traffic Engineeringz RFC 3847: Restart signaling for IS-ISIS-IS Configuration Task ListComplete the following tasks to configure IS-IS:Task RemarksEnabling IS-ISConfiguring the IS Level and Circuit LevelConfiguring IS-ISBasic FunctionsConfiguring the Network Type of an Interface as P2PRequiredConfiguring IS-IS Link Cost OptionalSpecifying a Priority for IS-IS RequiredConfiguring the Maximum Number of Equal Cost Routes OptionalConfiguring IS-IS Route Summarization OptionalAdvertising a Default Route OptionalConfiguring IS-IS Route Redistribution OptionalConfiguring IS-IS Route Filtering OptionalConfiguring IS-ISRoutingInformationControlConfiguring IS-IS Route Leaking OptionalSpecifying Intervals for Sending IS-IS Hello and CSNP Packets OptionalSpecifying the IS-IS Hello Multiplier OptionalConfiguring a DIS Priority for an Interface OptionalDisabling an Interface from Sending/Receiving IS-IS Packets OptionalEnabling an Interface to Send Small Hello Packets OptionalConfiguring LSP Parameters OptionalConfiguring SPF Parameters OptionalTuning andOptimizing IS-ISNetworksSetting the LSDB Overload Bit Optional