29 October 2009

Useful show CoMMands

List all show commands available:
Router# show ?

Display statistics for all interfaces:
Router# show interfaces 

Display statistics for a specific iface (in this case, serial 0/0/0):
Router# show interface serial 0/0/0

Display a summary of all interfaces, including status and IP address assigned:
Router# show ip interface brief

Display statistics for interface hardware. Statistics display if the clock rate is set and if the cable is DCE, DTE or not attached:
Router# show controllers serial 0/0/0

Display time set on device:
Router# show clock 

Display local host-to-IP address cache. These are the names and address of hosts on the network to which you can connect:
Router#  show hosts

Display all users connected to device:
Router#  show users

Display the history of commands used at this edit level:
Router# show history

Display info about flash memory:
Router#  show flash

Display info about loaded software version:
Router# show version

Display the Address Resolution Protocol (ARP) table:
Router# show arp

Display status of configured Layer 3 protocols:
Router# show protocols

Display the configuration saved in NVRAM:
Router# show startup-config

Display the configuration currently running in RAM:
Router# show running-config

Display the contents of the IP routing table:
Router# show ip route

Show the access lists configured on the router and which interface they have been applied too:
Router# show access-lists

Show the status of the routers buffer pool:
Router# show buffers

Checks LMI status which should be increase:
Router# show fr lmi

Shows which lines are active in a router:
Router# show line

Shows the routers log, if logging enable:
Router# show log

Show the CPU utilization and the process running:
Router# show process

Show the CPU graphic history utilization:
Router# show process cpu history

Checks TCP connection:
Router# show tcp

Checks Socket Listen connections:
Router# show ip sockets

Provides automatic listing of many different types of show commands:
Router# show tech-support

Will show you only the IOS version of your directly connected neighbors:
Router# show cdp entry * version



biOos

No comments: