02 CISCO / QUICK LOOKUP
IOS XE command
reference.
A structured command index organized by the job you are trying to do. Search command syntax, protocols, features, or troubleshooting tasks, then copy a command or a complete category.
Examples use Cisco IOS XE CLI conventions. Command availability, syntax, and interface names vary by device, feature set, and software release. Review the platform documentation and understand each command before applying configuration changes.
CATEGORY / 01
Device and system
Identify the platform, software, hardware, uptime, and system state.
show versionIOS XE release, uptime, model, memory, and boot information.
show inventoryInstalled hardware, modules, product identifiers, and serial numbers.
show platformPlatform-specific hardware and operating state.
show clockCurrent device clock and time source status.
show running-configActive configuration currently held in memory.
show startup-configConfiguration used at the next reload.
CATEGORY / 02
Interfaces and IP addressing
Check link state, addressing, counters, errors, and interface configuration.
show ip interface briefQuick IPv4 address and interface up/down summary.
show ipv6 interface briefQuick IPv6 address and interface state summary.
show interfacesDetailed interface counters, errors, duplex, speed, and line protocol.
show interfaces descriptionInterface descriptions and operational status at a glance.
show ip interfaceIPv4 interface settings, ACLs, helper addresses, and protocol state.
show running-config | section interfaceConfigured interface blocks from the active configuration.
CATEGORY / 03
Layer 2 switching
Inspect VLAN membership, trunking, MAC learning, and spanning tree.
show vlan briefVLAN IDs, names, status, and access-port membership.
show interfaces trunkOperational trunks, native VLANs, and allowed VLANs.
show mac address-tableLearned MAC addresses and their associated VLANs and ports.
show spanning-treeSpanning Tree root, port roles, states, and timers.
show etherchannel summaryPort-channel membership and negotiation state.
CATEGORY / 04
Routing and reachability
Verify route selection, routing protocols, and end-to-end connectivity.
show ip routeIPv4 routing table, route sources, metrics, and next hops.
show ipv6 routeIPv6 routing table and selected forwarding paths.
show ip protocolsActive IPv4 routing protocols and their advertised networks.
show ip ospf neighborOSPF neighbor relationships and adjacency state.
ping 192.0.2.1Test IP reachability; replace the documentation address with your target.
traceroute 192.0.2.1Discover Layer 3 hops toward a destination.
CATEGORY / 05
Security and access control
Review access policies and common Layer 2 security state.
show access-listsConfigured ACL entries and match counters.
show port-securityPort-security configuration and violation state.
show ip sshSSH server version and configuration status.
show usersActive terminal sessions connected to the device.
CATEGORY / 06
Network services and operations
Check DHCP, NAT, time synchronization, and operational logging.
show ip dhcp bindingCurrent IPv4 DHCP address leases and client bindings.
show ip dhcp poolDHCP pool utilization and available address counts.
show ip nat translationsActive NAT translation entries.
show ip nat statisticsNAT hit counts, misses, and configured interfaces.
show ntp statusNTP synchronization state and reference clock.
show loggingBuffered system messages and logging configuration.
CATEGORY / 07
Configuration workflows
A small, safe starting point for common configuration and save operations.
configure terminalEnter global configuration mode.
interface GigabitEthernet1/0/1Select an interface; adjust the identifier to match your device.
description Example connectionAdd a human-readable interface description.
ip address 192.0.2.1 255.255.255.0Assign an example documentation IPv4 address and mask.
no shutdownAdministratively enable the selected interface.
endReturn directly to privileged EXEC mode.
copy running-config startup-configSave the active configuration for the next reload.
No commands match that search. Try a command, protocol, feature, or a broader term.