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IS-IS Feature Guide for Routing Devices
IS-IS is a link-state, interior gateway protocol (IGP) for IP networks that uses the shortest-path-first (SPF) algorithm to determine routes. The topics on this page provide information about IS-IS for devices running Junos OS.
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- Overview
Introduction to IS-IS IS-IS Standards - Configuration
Basic IS-IS Configuration Example: Configuring Multi-Level IS-IS
Example: Configuring IS-IS on Logical Systems Within the Same Router
IS-IS Authentication and Checksums Configuring IS-IS Authentication
Configuring Authentication Without Network-Wide Deployment
Example: Configuring Hitless Authentication Key Rollover for IS-IS
IS-IS Routing Policy and Route Redistribution Example: Configuring IS-IS Route Leaking From a Level 2 Area to a Level 1 Area
Example: Redistributing OSPF Routes into IS-IS
Example: Redistributing BGP Routes with a Specific Community Tag into IS-IS
Example: Configuring an IS-IS Default Route Policy on Logical Systems
IS-IS Bidirectional Forwarding Detection IS-IS Multitopology Routing and IPv6 Support Example: Configuring IS-IS Multicast Topology
Example: Configuring IS-IS Dual Stacking of IPv4 and IPv6 Unicast Addresses
IS-IS Link and Node Protection Example: Configuring Link and Node Protection for IS-IS Routes
IS-IS Traffic Engineering IS-IS Extensions to Support Traffic Engineering
Example: Enabling IS-IS Traffic Engineering Support
Example: Advertising Label-Switched Paths into IS-IS
Example: Enabling Wide IS-IS Metrics for Traffic Engineering
IS-IS Scaling and Throttling Example: Configuring the Transmission Frequency for Link-State PDUs on IS-IS Interfaces
Example: Configuring the Transmission Frequency for CSNPs on IS-IS Interfaces
IS-IS CLNS Configuration Statements [edit protocols isis] Hierarchy Level
hello-authentication-key-chain
hold-time (LDP Synchronization)
- Administration
Operational Commands show isis backup label-switched-path
- Troubleshooting
IS-IS Troubleshooting Verifying the IS-IS Configuration on a Router in a Network
Displaying the Status of IS-IS Adjacencies
Displaying Detailed IS-IS Protocol Information
Routing Protocol Process Memory FAQs
