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Chapter 5
Installing the IDS-4235 and IDS-4250
Upgrading the BIOS
Caution
Step 1
Step 2
Step 3
Step 4
Cisco Intrusion Detection System Appliance and Module Installation and Configuration Guide Version 4.1
78-15597-02
If your BIOS version is earlier than A04, you must upgrade the BIOS on your
IDS-4235 and IDS-4250 appliances before you install version 4.x software.
Do not apply this BIOS upgrade to appliance models other than the IDS-4235 and
IDS-4250.
Check your BIOS version before performing the following procedure. Reboot the
appliance and watch for the BIOS version number. The following example shows
BIOS version A03:
Phoenix ROM BIOS PLUS Version 1.10 A03
Cisco Systems IDS-4235/4250
www.cisco.com
Testing memory. Please wait.
If your version is A01, A02, or A03, you must upgrade the BIOS to version A04.
To create and boot the IDS-4235 or IDS-4250 BIOS upgrade diskette, follow these
steps:
Copy BIOS_A04.exe to a Windows system.
You can find the file in the /BIOS directory on the recovery/upgrade CD, or you
can download it from Cisco.com. See
for the procedure for downloading IDS software from the Software Center on
Cisco.com.
You must have a Cisco.com account with cryptographic access before you
Note
can download software from the Software Center. See
Cisco.com Account with Cryptographic Access, page
procedure.
Insert a blank 1.44-MB diskette in the Windows system.
Double-click the downloaded BIOS update file, BIOS_A04.exe, on the Windows
system to generate the BIOS update diskette.
Insert the newly created BIOS update diskette in your IDS-4235 or IDS-4250.
Obtaining Cisco IDS Software, page
Upgrading the BIOS
9-1,
Applying for a
9-11, for the
5-7
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Troubleshooting
