Cisco Cisco IPS 4255 Sensor
20
Release Notes for Cisco Intrusion Prevention System 5.1(8)E3
OL-20155-01
Upgrading to Cisco IPS 5.1(8)E3
•
For the procedure for reimaging sensor, refer to
•
For the procedure for copying the backup configuration to a reimaged sensor, see
Upgrading to 5.1(8)E3
To upgrade the sensor, follow these steps:
Step 1
Download the upgrade file (IPS-K9-5.1-8-E3.pkg) to an FTP, SCP, HTTP, or HTTPS server that is
accessible from your sensor.
accessible from your sensor.
Note
If you use FTP or SCP protocol, you are prompted for a password. If you use SCP protocol, you
must add the remote host to the SSH known hosts list.
must add the remote host to the SSH known hosts list.
Note
If you use HTTPS, the remote host must be a TLS trusted host.
Caution
You must log in to Cisco.com using an account with cryptographic privileges to download software. The
first time you download software on Cisco.com, you receive instructions for setting up an account with
cryptographic privileges.
first time you download software on Cisco.com, you receive instructions for setting up an account with
cryptographic privileges.
Caution
Do not change the filename. You must preserve the original filename for the sensor to accept the update.
Step 2
Log in to the CLI using an account with Administrator privileges.
Step 3
Upgrade the sensor:
sensor# configure terminal
sensor(config)# upgrade scp://tester@10.1.1.1//upgrade/IPS-K9-5.1-8-E3.pkg
Enter password: ********
Re-enter password: ********
Step 4
Type
yes
to complete the upgrade.
Note
Major updates, minor updates, and service packs may force a restart of the IPS processes or even
force a reboot of the sensor to complete installation.
force a reboot of the sensor to complete installation.
Step 5
Verify your new sensor version:
sensor# show version
Application Partition:
Cisco Intrusion Prevention System, Version 5.1(8)E3
Host:
Realm Keys key1.0