BASIC FUNDAMENTAL NX-OS & IOS

Cisco IOS CLI	Cisco NX-OS CLI
Default User Prompt

c6500>	n7000#

Entering Configuration Mode

c6500# configure terminal	n7000# configure terminal

Saving the Running Config to the Startup Config (nvram)

c6500# write memory or c6500# copy running-config startup-config	n7000# copy running-config startup-config

Erasing the startup config (nvram)

c6500# write erase	n7000# write erase

Installing a License

Cisco IOS Software does not require a license file installation.	n7000# install license bootflash:license_file.lic

Interface Naming Convention

interface Ethernet 1/1 interface FastEthernet 1/1 interface GigabitEthernet 1/1 interface TenGigabitEthernet 1/1	interface Ethernet 1/1

Default VRF Configuration (management)

Cisco IOS Software doesn’t enable VRFs by default.	vrf context management

Configuring the Software Image Boot Variables

boot system flash sup-bootdisk:s72033-ipservicesk9_wan-mz.122-33.SXH1.bin	boot kickstart bootflash:/n7000-s1-kickstart.4.0.4.bin sup-1 boot system bootflash:/n7000-s1-dk9.4.0.4.bin sup-1 boot kickstart bootflash:/n7000-s1-kickstart.4.0.4.bin sup-2 boot system bootflash:/n7000-s1-dk9.4.0.4.bin sup-2

Enabling Features

Cisco IOS Software does not have the functionality to enable or disable features.	feature ospf

Enabling TELNET (SSHv2 is recommended)

Cisco IOS Software enables TELNET by default.	feature telnet
Configuring the Console Timeout

line console 0 exec-timeout 15 0 login	line console exec-timeout 15
Configuring the VTY Timeout and Session Limit

line vty 0 9 session-limit 10 exec-timeout 15 0 login	line vty session-limit 10 exec-timeout 15

Verification Command Comparison

The following table compares some useful show commands for verifying the initial system startup and running configuration.

Cisco NX-OS	Cisco IOS Software	Command Description
show running-config	show running-config	Displays the running configuration
show startup-config	show startup-config	Displays the startup configuration
-	-	-
show interface	show interface	Displays the status for all of the interfaces
show interface ethernet <x/x>	show interface <int type>	Displays the status for a specific interface
show interface mgmt 0	-	Displays the status for the mgmt interface
-	-	-
show boot	show boot	Displays the current boot variables
-	-	-
show clock	show clock	Displays the system clock and time zone configuration
show clock detail	show clock detail	Displays the summer-time configuration
-	-	-
show environment	show environment	Displays all environment parameters
show environment clock	show environment status clock	Displays clock status for A/B and active clock
show environment fan	show environment cooling fan-tray	Displays fan status
show environment power	show power	Displays power budget
show environment temperature	show environment temperature	Displays environment data
-	-	-
show feature	-	Displays the features and routing processes enabled
-	-	-
show log logfile	show log	Displays the local log
show log nvram	-	Displays persistent log messages (severity 0-2) stored in NVRAM
show module	show module	Displays installed modules and their status
show module uptime	-	Displays how long each module has be powered up
show module fabric	-	Displays fabric modules and their current status
show platform fabric-utilization	show fabric utilization	Displays the % of fabric utilized per module
show process cpu	show process cpu	Displays the processes running on the CPU
show process cpu history	show process cpu history	Displays the process history of the CPU in chart form
show process cpu sorted	show process cpu sorted	Displays sorted processes running on the CPU
-	-	-
show system cores	-	Displays the core dump files if present
show system exception-info	show exception	Displays last exception log
show system redundancy status	show redundancy	Displays the supervisors High Availability status
show system resources	show process cpu	Displays CPU and memory usage data
show system uptime	-	Displays system and kernel start time (Displays active supervisor uptime)
-	-	-
show tech-support	show tech-support	Displays system technical information for Cisco TAC
show tech-support <name>	show tech-support <name>	Displays feature specific technical information for Cisco TAC
-	-	-
show version	show version	Displays running software version, basic hardware, CMP status and system uptime
-	-	-
show line	show line	Displays console and auxiliary port information
show line com1	-	Displays auxiliary port information
show line console	show line console 0	Displays console port information
show line console connected	-	States if the console port is physically connected
show terminal	show terminal	Displays terminal settings
show users	show users	Displays current virtual terminal settings
-	-	-
show vrf	show ip vrf	Displays a list of all configured VRFs
show vrf <name>	show ip vrf <name>	Displays an specified VRF
show vrf <name> detail	show vrf detail <name>	Displays details for a specified
show vrf <name> interface	-	Displays interface assignment for a specified VRF
show vrf default	-	Displays a summary of the default VRF
show vrf detail	show vrf detail	Displays details for all VRF's
show vrf interface	show ip vrf interface	Displays VRF interface assignment
show vrf management	-	Displays a summary of the management VRF
-	-	-
show license	-	Displays all license file information
show license brief	-	Displays the license file names installed
show license file <name>	-	Displays license contents based on a specified name
show license host-id	-	Displays the chassis Host-ID used for creating a license
show license usage	-	Displays all licenses used by the system
show license usage <license-type>	-	Displays all licenses used by the system per type
show license usage vdc-all	-	Displays all licenses used by the system for all VDCs
-	-	-
show vdc	-	Displays a list of the configured VDC's
show vdc <name>	-	Displays a summary of the individual VDC
show vdc <name> detail	-	Displays configuration details for a specific VDC
show vdc <name> membership	-	Displays interface membership for a specific VDC
show vdc <name> resource	-	Displays resource allocation for a specific VDC
show vdc current-vdc	-	Displays the VDC that the user is currently in
show vdc detail	-	Displays details information for all VDCs
show vdc membership	-	Displays interface membership for all VDCs
show vdc resources	-	Displays resource allocation for all VDCs