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Routershow ?cdp CDP informationclass-map Show QoS Class Mapclock Display the system clockcontrollers Interface controllers statuscrypto Encryption moduleflash: display information about flash: file system frame-relay Frame-Relay informationhistory Display the session command historyhosts IP domain-name, lookup style, nameservers, and host tableinterfaces Interface status and configurationip IP informationpolicy-map Show QoS Policy Mapprivilege Show current privilege levelprotocols Active network routing protocolsqueue Show queue contentsqueueing Show queueing configurationsessions Information about Telnet connectionsssh Status of SSH server connectionstcp Status of TCP connectionsterminal Display terminal configuration parametersusers Display information about terminal linesversion System hardware and software statusRoutershow ip ?arp IP ARP tabledhcp Show items in the DHCP databaseeigrp IP-EIGRP show commandsinterface IP interface status and configurationnbar Network-Based Application Recognitionospf OSPF informationprotocols IP routing protocol process parameters and statisticsrip IP RIP show commandsroute IP routing tablessh Information on SSHRouter#show ?aaa Show AAA valuesaccess-lists List access listsarp Arp tablecdp CDP informationclass-map Show QoS Class Mapclock Display the system clockcontrollers Interface controllers statuscrypto Encryption moduledebugging State of each debugging optiondhcp Dynamic Host Configuration Protocol statusfile Show filesystem informationflash: display information about flash: file systemframe-relayFrame-Relay informationhistory Display the session command historyhosts IP domain-name, lookup style, nameservers, and host tableinterfaces Inter