Cisco Cisco IPS 4255 Sensor

You must be running the following versions to upgrade the following platforms to IPS 7.1(8)E4:

For the IPS 4200 series sensors, you must be running IPS 6.0(6)E4 or later.

For the IPS 4300 series sensors and the ASA 5500-X IPS SSP series, you must be running 
IPS 7.1(3)E4 or later. 

For the IPS 4500 series sensors, you must be running IPS 7.1(4)E4 or later. 

For the ASA 5500 AIP SSM series, you must be running IPS 6.0(6)E4 or later. 

For the ASA 5585-X IPS SSP series, you must be running IPS 7.1(1)E4 or later. 

A generic upgrade package is no longer available for the IPS 4240, IPS 4255, IPS 4260, and 
ASA 5500 AIP SSM series. These platforms now have platform-specific filenames in accordance 
with the 7.1(x) format. 

This service pack automatically reboots the sensor to apply the changes. During reboot, inline 
network traffic is disrupted. 

You cannot uninstall 7.1(8)E4. To revert to a previous version, you must reimage the sensor using 
the appropriate system image file

For the procedure to download software from Cisco.com, see 

For the procedure for using the upgrade command to upgrade the sensor, see 

.

For the procedure for using ROMMON to restore the IPS 4240 and IPS 4255 system image, see 

For the procedure for using ROMMON to restore the IPS 4260 system image, see 

For the procedure for using ROMMON to restore the IPS 4270-20 system image, see 

. 

For the procedure for using ROMMON to restore the IPS 4510 and IPS 4520 system image, see 

For the procedure for installing the ASA 5500 AIP SSM system image, see 

.

For the procedure for installing the ASA 5500-X IPS SSP system image, see 

.

For the procedure for installing the ASA 5585-X IPS SSP system image, see 

Use the upgrade source-url command to apply service pack, signature update, engine update, minor 
version, major version, or recovery partition file upgrades. 

The following options apply:

source-url—Specifies the location of the source file to be copied:

ftp:—Source URL for an FTP network server. The syntax for this prefix is:

ftp://[[username@]location][/relativeDirectory]/filename

ftp://[[username@]location][//absoluteDirectory]/filename