Command Reference for Cisco Catalyst 9400 Switches

Quick Guide to Cisco IOS XE CLI

This command reference provides essential information for managing Cisco Catalyst 9400 Switches using the Cisco IOS XE 17.17.x operating system. It covers CLI navigation, SD-Access configurations, and TrustSec security implementations.

Using the Command-Line Interface

The CLI is the primary method for configuring the switch. Key concepts include:

• Command Modes: Understanding the hierarchy of modes (e.g., user EXEC, privileged EXEC, global configuration).
• Help System: Use the question mark (?) to view available commands or syntax options.
• Command History: Use the history buffer to recall and reuse previously entered commands.
• Editing Features: Utilize keystrokes to edit command lines, including wrapping and filtering output using show and more commands.

Cisco SD-Access Commands

This section details commands for Software-Defined Access, including:

• LISP Configuration: Commands for ETR, ITR, map-cache, and instance-id management.
• Multicast and Routing: Configuration for PIM sparse mode, SSM, and multicast transport.
• Database Mapping: Managing EID tables and database publications.

Cisco TrustSec Commands

This section covers security and policy enforcement commands:

• Environment Data: Commands to clear and refresh environment data.
• Policy Server: Configuring device IDs, usernames, and server order.
• Role-Based Enforcement: Managing SGT (Scalable Group Tag) caching, role-based permissions, and monitoring.