Document Outline

• Contents
• About This Document
  • Audience
  • Disclaimer
  • How to use this guide
  • Supported hardware
  • Document conventions
    • Text formatting
    • Command syntax conventions
    • Notes
  • Related publications
  • Getting technical help
  • Document feedback
• Using Diagnostic Commands
  • How to use diagnostic commands
  • Console Connection
  • Show commands
  • Generic debug commands
• System and System Management Diagnostics
  • Basic system information
    • System hardware show commands
    • System software show commands
    • Common diagnostic scenarios
  • TCAM partitioning and usage
    • TCAM show commands
    • Configuration notes
    • Common diagnostic scenarios
  • Managing memory and CPU usage
    • CPU usage show command
    • CPU memory show command
  • Power supplies
    • Power supply show commands
    • Configuration notes
    • Common diagnostic scenarios
  • Fiber-optic modules
    • Fiber-optic show commands
    • Configuration notes
  • Testing network connectivity
    • Pinging an IP address
    • Tracing a route
    • Showing routing tables
    • Showing routing interfaces
• Layer 1 Diagnostics
  • Ethernet diagnostics
    • Duplex mismatches
    • Ethernet show commands
    • Ethernet debug commands
    • Common diagnostic scenarios
• Layer 2 Protocol Diagnostics
  • MAC address learning
    • Address Resolution Protocol
    • MAC address learning show commands
    • MAC address learning debug commands
  • Spanning Tree Protocol and derivatives
    • STP
    • RSTP
    • MSTP
    • STP show commands
    • STP debug commands
    • Configuration notes
    • Common diagnostic scenarios
  • LACP trunking
    • Trunk show commands
    • Configuration notes
    • Common diagnostic scenarios
  • VLAN trunking
    • VLAN trunking show commands
  • Ethernet Ring Protection switching
    • ERPS show commands
    • ERPS debug commands
  • Connectivity Fault Management
    • CFM show commands
  • Operation, Administration and Maintenance
    • OAM show commands
• ACL and QoS Diagnostics
  • ACLs
    • ACL show commands
    • Common diagnostic scenarios
  • QoS
    • QoS show commands
    • QoS debug commands
  • Traffic management
    • Traffic management show commands
• Multicast Snooping Diagnostics
  • IGMP snooping and MVR
    • Multicast Snooping show commands
    • Multicast Snooping debug commands
• Security Diagnostics
  • 802.1x
    • 802.1x show commands
    • Configuration notes
  • Port loop detection
    • Port loop detection show commands
    • Configuration notes
  • Port mirroring and monitoring
    • Port mirroring show commands
  • RADIUS
    • RADIUS show commands
    • Configuration notes
  • SNMP
    • SNMP show commands
    • Configuration notes
  • TACACS and TACACS+
    • TACACS+ show commands
    • Configuration notes
  • Telnet and SSH connections
    • Telnet and SSH show commands
    • Configuration notes
  • SNTP
    • SNTP show commands
• Forwarding Diagnostics
  • Trunking
    • Trunking show commands
    • Configuration notes
    • Common diagnostic scenarios
• Diagnostic Command Index