Chapter 9 - IOS Images and Licensing Flashcards
Display the Cisco IOS Image
show flash0:
Example of a Cisco IOS 12.4 Software Image Name
c2800nm-advipservicesk9-mz.124-6.T.bin
Hardware-FeatureSet-MemoryLocationCompressionFormat.TrainNumber-MaintenanceRelease.TrainIdentifier.FileExtension
Example of a Cisco IOS 15.2 Software Image Name on an ISR G2 Device
c1900-universalk9-mz.SPA.152-4.M3.bin
Creating Cisco IOS Image Backup
Step 1: Verify connectivity to the server #ping 172.16.1.100 Step 2: Verify the image size #show flash0: Step 3: Copy image to TFTP server #copy flash0: tftp:
Using the ‘boot system’ Command
#conf t #boot system flash0://c1900-universalk9-mz.SPA.152-4.M3.bin #exit #copy run start #reload
Verifying New Image
show version
Displaying the UDI
show licence udi
Permanent Licence Installation
licence install flash0:securityk9-CISCO1941-FHH12250057.xml
Permanent License Verification
#show version #show licence
Evaluation License Installation
#license accept end user agreement #license boot module c1900 technology-package datak9
Backing Up the License
license save flash0:all_licenses.lic
Clearing an Active and Permanent License
Step 1: Disable the technology package #license boot module c1900 technology-package seck9 disable #exit #reload Step 2: Clear the license #license clear seck9 #conf t #no license boot module c1900 technology-package seck9 disable #exit #reload