Configuration Verification

Revised: December 21, 2009

This chapter describes the show commands that you can use to display and verify your configuration.

Note For more information see the following command references:
Cisco IOS Debug Command Reference
Cisco IOS IP Addressing Services Command Reference
Cisco IOS IP Application Services Command Reference
Cisco IOS IP Multicast Command Reference
Cisco IOS IP Routing Protocols Command Reference
Cisco IOS LAN Switching Command Reference
Cisco IOS NetFlow Command Reference
Cisco IOS Quality of Service Solutions Command Reference
Cisco IOS Security Command Reference
Cisco IOS Voice Command Reference
Cisco IOS Master Command List, Release 12.4T

Use the Command Lookup Tool (registered customers only) for more information on the commands used in this document.

Contents

•General Configuration Verification

•QoS Verification

•Routing Verification

•Security Verification

•Voice Verification

•Cisco Unity Express Verification

•Cisco Wide Area Application Services Verification

General Configuration Verification

•show adjacency summary

This command displays a summary of Cisco Express Forwarding (CEF) adjacency information.

•show clock

This command displays the time and date from the system software clock.

•show interfaces status

This command displays the interface status or a list of interfaces in an error-disabled state on LAN ports only.

•show interfaces summary

This command displays a summary of statistics for one interface or for all interfaces that are configured on a networking device.

•show ip cache flow

This command displays a summary of the NetFlow accounting statistics.

•show ip flow export

This command displays the status and the statistics for NetFlow accounting data export, including the main cache and all other enabled caches.

•show ip wccp

This command displays global statistics related to Cisco Web Cache Communication Protocol (Cisco WCCP).

•show logging

This command displays the state of system logging (syslog) and the contents of the standard system logging buffer.

•show memory dead

This command displays statistics on memory allocated by processes that have terminated.

•show memory debug leaks

This command displays detected memory leaks.

•show memory free

This command displays statistics about free memory when Cisco IOS software or Cisco IOS Software Modularity images are running.

•show mls qos interface policers

This command displays all the policers configured on the interface, their settings, and the number of policers unassigned.

•show ntp status

This command displays statistics for the Network Time Protocol (NTP) server.

•show processes cpu

This command displays detailed CPU utilization statistics (CPU use per process) when Cisco IOS software or Cisco IOS Software Modularity images are running.

•show processes memory

This command shows the amount of memory used by each system process in Cisco IOS software or Cisco IOS Software Modularity images.

•show spanning-tree

This command displays Spanning Tree information for the specified Spanning Tree instances.

QoS Verification

•show class-map

This command displays all class maps and their matching criteria.

•show ip nbar protocol-discovery

This command displays the statistics gathered by the Network Based Application Recognition (NBAR) protocol discovery feature.

•show mls qos

This command displays multilayer switching (MLS) quality of service (QoS) information.

•show mls qos interface

This command displays QoS information for the specified interface.

•show mls qos maps

This command displays information about the QoS mapping.

•show policy-map

This command displays the configurations of all classes for a specified service policy map or all classes for all existing policy maps.

•show policy-map interface

This command displays the statistics and the configurations of the input and output policies that are attached to an interface.

Routing Verification

•show bfd neighbors

This command displays a line-by-line listing of existing Bidirectional Forwarding Detection (BFD) adjacencies.

•show ip bgp

This command displays entries in the Border Gateway Protocol (BGP) routing table.

•show ip bgp neighbors

This command displays information about BGP and TCP connections to neighbors.

•show ip bgp summary

This command displays the status of all BGP connections.

•show ip dhcp binding

This command displays address bindings on the Cisco IOS DHCP server.

•show ip dhcp server statistics

This command displays Cisco IOS DHCP server statistics.

•show ip eigrp neighbors

This command displays neighbors discovered by Enhanced Interior Gateway Routing Protocol (EIGRP).

•show ip mroute active

This command displays the contents of the multicast routing (mroute) table. Displays the rate that active sources are sending to multicast groups, in kilobits per second.

•show ip mroute count

This command displays the contents of the multicast routing (mroute) table. Displays statistics about the group and source, including number of packets, packets per second, average packet size, and bytes per second.

•show ip nat translations

This command displays active Network Address Translations (NATs).

•show ip nat statistics

This command displays NAT statistics.

•show ip ospf neighbors

This command displays Open Shortest Path First (OSPF)-neighbor information on a per-interface basis.

•show ip route

This command displays the current state of the routing table.

Security Verification

•show crypto engine accelerator statistics

This command displays a summary of the configuration information for the crypto accelerator.

•show crypto engine connections active

This command displays a summary of the configuration information for the crypto engine connections.

•show crypto gdoi

This command displays information about a Group Domain of Interpretation (GDOI) configuration.

•show crypto gdoi ipsec sa

This command displays information about the IPsec security association (SA) for all group members.

•show crypto ipsec sa

This command displays the settings used by current SAs.

•show crytpto isakmp sa

This command displays current Internet Key Exchange (IKE) SAs.

•show crypto session

This command displays status information for active crypto sessions.

•show ip ips interfaces

This command displays the Cisco IOS Intrusion Prevention System (IPS) interface configuration.

•show ip ips sessions

This command displays the Cisco IOS IPS session-related information.

•show ip ips signatures

This command displays the Cisco IOS IPS signature information, such as which signatures are disabled and marked for deletion.

•show ip ips statistics

This command displays the Cisco IOS IPS information such as the number of packets audited and the number of alarms sent.

•show policy-map type inspect

This command displays a specified policy map.

•show policy-map type inspect zone-pair

This command displays the runtime inspect type policy map statistics and other information such as sessions existing on a specified zone pair.

•show standby

This command displays Hot Standby Router Protocol (HSRP) information.

•show webvpn gateway

This command displays the status of a Secure Socket Layer (SSL) Virtual Private Network (VPN) gateway.

•show webvpn context

This command displays the operational status and configuration parameters for SSL VPN context configurations.

•show webvpn session context

This command displays a list of active SSL VPN user sessions for only the named context.

•show webvpn session user

This command displays detailed information about the named SSL VPN user session.

•show webvpn stats

This command displays SSL VPN application and network statistics.

•show zone-pair security

This command displays the source zone, destination zone, and policy attached to the zone pair.

•show zone security

This command displays information about the security zone, including the name and description.

Voice Verification

•show call active voice brief

This command displays a truncated version of call information for voice calls in progress.

•show call-manager-fallback all

This command displays the Cisco Unified Communications Manager fallback configuration and statistics.

•show dial-peer voice summary

This command displays a short summary of information for each voice dial peer.

•show dspfarm

This command displays digital signal processor (DSP) farm-service information such as operational status and DSP resource allocation for transcoding and conferencing.

•show dspfarm dsp all

This command displays DSP-farm DSP global information.

•show ephone offhook

This command displays information and packet counts for the phones that are currently off hook.

•show ephone registered

This command displays the status of registered phones.

•show ephone summary

This command displays brief information about Cisco IP Phones.

•show rtpspi call

This command displays Real-time Transport Protocol (RTP) service provider interface active call details.

•show sccp all

This command displays all Skinny Client Control Protocol (SCCP) global information, such as administrative and operational status.

•show sccp connections summary

This command displays a summary of the number of sessions and connections based on the service type under the SCCP application.

•show sip-ua status registrar

This command displays status for the SIP user agent (UA) registrar clients.

•show telephony-service all

This command displays detailed configuration for phones, voice ports, and dial peers in a Cisco Unified Communications Manager Express (Cisco Unified CME) system.

•show voice call status

This command displays the status of active calls.

•show voice call summary

This command displays the current settings and state of voice ports on the Cisco router, regardless of port activity.

•show voice dsp

This command displays the current status or selective statistics of DSP voice channels.

•show voice port summary

This command displays a summary of configuration information for all voice ports.

•show voice register all

This command displays all Session Initiation Protocol (SIP) Cisco Unified Survivable Remote Site Telephony (Cisco Unified SRST) and Cisco Unified CME configurations and register information.

•show voip rtp connections

This command displays (RTP) named event packets.

Cisco Unity Express Verification

•show ccn application

This command displays the currently configured applications.

•show ccn engine

This command display details of the configured Cisco Unity Express software engine.

•show ccn subsystem jtapi

This command display the JTAPI subsystem parameters.

•show ccn subsystem sip

This command display the SIP subsystem parameters.

•show system language installed

This command displays the languages that are available for use.

•show voicemail configuration

This command displays the configured From address for outgoing e-mail.

•show voicemail detail

This command displays the details for a general delivery mailbox or a subscriber with the name value.

•show voicemail limits

This command displays default values for all mailboxes.

•show voicemail mailboxes

This command displays all configured mailboxes and their current storage status.

•show voicemail messages future

This command displays all messages scheduled for future delivery.

•show voicemail users

This command lists all the local voice-mail subscribers.

Cisco Wide Area Application Services Verification

•show cifs auto-discovery

This command displays Common Internet File System (CIFS) autodiscovery status and run-time data.

•show cifs cache

This command displays CIFS cache information.

•show cifs connectivity peers

This command displays run-time information on edge-core connectivity and a list of connected cores.

•show cifs sessions count

This command displays run-time information on active CIFS sessions and the number of pending CIFS requests.

•show cifs sessions list

This command displays run-time information on active CIFS sessions and a list of connected CIFS sessions.

•show device-mode

This command displays the configured or current device mode of a Cisco Wide Area Application Services (WAAS) device.

•show disks details

This command displays detailed SMART disk monitoring information for Cisco WAAS device disks.

•show egress-methods

This command displays the egress method that is configured and that is being used on a particular Cisco WAE.

•show policy-engine status

This command displays high-level information about a Cisco Wide Area Application Engine (Cisco WAE): Cisco WAE's policy engine.

•show policy-engine application classifier

This command displays information about the specified application classifier.

•show statistics cifs

This command displays the CIFS statistics information.

•show statistics dre

This command displays data redundancy elimination (DRE) general statistics for a Cisco WAE.

•show statistics tfo

This command displays TFO statistics for a Cisco WAE.

•show tfo auto-discovery

This command displays TFO auto discovery statistics for a Cisco WAE.

•show tfo status

This command displays global Traffic Flow Optimization (TFO) status information for a Cisco WAE.

•show tfo connections

This command displays Traffic Flow Optimization (TFO) connection information for a Cisco WAE.

•show tfo connections summary

This command displays a summary list of TFO connections for a Cisco WAE.

•show wccp

This command displays Cisco Web Cache Communication Protocol (Cisco WCCP) information for a Cisco WAE.

•show wccp gre

This command displays Cisco WCCP generic routing encapsulation (GRE) packet-related information

•show wccp routers

This command displays routers seen and not seen by this Cisco WAE.

•show wccp status

This command displays the version of Cisco WCCP that is enabled and running.

Additional Command Reference Documentation

See the following command references for more information:

•Cisco IOS Configuration Fundamentals Command Reference

•Cisco IOS IP Addressing Services Command Reference

•Cisco IOS IP Application Services Command Reference

•Cisco IOS IP Multicast Command Reference

•Cisco IOS IP Routing Protocols Command Reference

•Cisco IOS LAN Switching Command Reference

•Cisco IOS NetFlow Command Reference

•Cisco IOS Quality of Service Solutions Command Reference

•Cisco IOS Security Command Reference

The Output Interpreter Tool (registered customers only) (OIT) supports certain show commands. Use the OIT to view an analysis of the show command output.