Cisco Cisco IPS 4255 Sensor

The BIOS on Cisco IPS sensors is specific to Cisco IPS sensors and must only be upgraded under 
instructions from Cisco with BIOS files obtained from the Cisco website. Installing a non-Cisco or 
third-party BIOS on Cisco IPS sensors voids the warranty. 

The following files are part of Cisco IPS 6.1(1)E1:

Readme File

IPS-6.1-1-E1.readme.txt

Minor Version Upgrade Files

IPS-K9-6.1-1-E1.pkg

IPS-AIM-K9-6.1-1-E1.pkg

System Image Files

IPS-4240-K9-sys-1.1-a-6.1-1-E1.img

IPS-4255-K9-sys-1.1-a-6.1-1-E1.img

IPS-4260-K9-sys-1.1-a-6.1-1-E1.img

IPS-4270-K9-sys-1.1-a-6.1-1-E1.img

WS-SVC-IDSM2-K9-sys-1.1-a-6.1-1-E1.bin.gz

IPS-SSM_10-K9-sys-1.1-a-6.1-1-E1.img

IPS-SSM_20-K9-sys-1.1-a-6.1-1-E1.img

IPS-SSM_40-K9-sys-1.1-a-6.1-1-E1.img

IPS-AIM-K9-sys-1.1-a-6.1-1-E1.img

Recovery Image Files

IPS-K9-r-1.1-a-6.1-1-E1.pkg

IPS-AIM-K9-r-1.1-a-6.1-1-E1.pkg

For the procedure for obtaining these files on Cisco.com, see 

.

All IPS platforms allow ten concurrent log in sessions.

Cisco IPS 6.1(1)E1 is supported on the following platforms:

IPS 4240 Series Sensor Appliances

IPS 4255 Series Sensor Appliances

IPS 4260 Series Sensor Appliances