Cisco Router Show Commands

The show commands are very useful Cisco IOS commands. The Cisco Router show commands can be used to examine nearly everything about a Cisco router and its configuration. Following table lists important Cisco Router Show commands and their use.

Cisco IOS Show Command Description
OmniSecuR1#show interfaces Displays statistics for all interfaces
OmniSecuR1#show interface fa0/0 Displays statistics of fa0/0 interface.
You may use other interface also.
OmniSecuR1#show ip interface brief Displays a summary of all IPv4 interfaces, including
status and IPv4 address assigned in router "OmniSecuR1"
OmniSecuR1#show ipv6 interface brief Displays a summary of all IPv6 interfaces, including
status and IPv6 address assigned in router "OmniSecuR1"
OmniSecuR1#show controllers serial 1/0 Displays statistics for interface hardware serial 1/0.
Statistics display if the clock rate is set and
if the cable is DCE, DTE, or not attached
OmniSecuR1#show clock Displays the system clock of the router "OmniSecuR1".
OmniSecuR1#show hosts Displays the configured hostnames and their
corresponding IP addresses of the router "OmniSecuR1"
OmniSecuR1#show users Displays all users connected to the router "OmniSecuR1"
OmniSecuR1#show history Displays history of Cisco IOS commands used
OmniSecuR1#show flash Displays info about Flash memory
OmniSecuR1#show version Displays info about loaded Cisco IOS software
OmniSecuR1#show arp Displays the ARP table of the router "OmniSecuR1".
ARP table is the table which contains the
resolved IPv4 address to MAC address mappings.
OmniSecuR1#show protocols Displays status of configured Layer 3 protocols
OmniSecuR1#show startup-config Displays configuration saved in NVRAM
OmniSecuR1#show running-config Displays configuration currently running in RAM
OmniSecuR1#show ip route Displays the IPv4 routing table of the router "OmniSecuR1"
OmniSecuR1#show ipv6 route Displays the IPv6 routing table of the router "OmniSecuR1"
Related Tutorials
Cisco IOS Command Line modes
How to configure passwords to secure Cisco Router
Basic Cisco Router Configuration Commands
Important Key Combinations of Cisco IOS Command Line Interface (CLI)
Router interface naming convention
Cisco Router interface configuration commands
How to configure Router Serial Interfaces