Software Upgrades; Ids-4235 And Ids-4250 Hang During A Software Upgrade; Which Updates To Apply And Their Prerequisites - Cisco 4215 - Intrusion Detection Sys Sensor Configuration Manual

Appendix C Troubleshooting
13:58:03.823929 172.16.171.19.32770 > 172.16.171.13.telnet: R 79:79(0) ack 62 win 0
13:58:03.823930 172.16.171.19.32770 > 172.16.171.13.telnet: R 80:80(0) ack 62 win 0
13:58:03.823930 172.16.171.19.32770 > 172.16.171.13.telnet: R 80:80(0) ack 62 win 0
13:58:03.823930 172.16.171.19.32770 > 172.16.171.13.telnet: R 80:80(0) ack 62 win 0

Software Upgrades

This section helps in troubleshooting software upgrades. It contains the following topics:
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IDS-4235 and IDS-4250 Hang During A Software Upgrade

If the BIOS of IDS-4235 and IDS-4250 is at A03, you must upgrade it to A04 before applying the most
recent IPS software, otherwise, the appliances hang during the software upgrade process. For the
procedure for upgrading the BIOS, refer to "Upgrading the BIOS," in
Prevention System Appliances and Modules
see

Which Updates to Apply and Their Prerequisites

You must have the correct service pack and minor and major version of the software. If you are having
trouble with applying new software, make sure that you are applying the proper updates with the proper
prerequisites:
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78-16527-01
IDS-4235 and IDS-4250 Hang During A Software Upgrade, page C-31
Which Updates to Apply and Their Prerequisites, page C-31
Issues With Automatic Update, page C-32
Updating a Sensor with the Update Stored on the Sensor, page C-33
UNIX-Style Directory Listings, page C-34
Obtaining Cisco IPS Software, page
Signature updates require the minimum version listed in the filename.
Service packs require the correct minor version.
Minor versions require the correct major version.
Major versions require the previous major version.
Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 5.0
Troubleshooting the 4200 Series Appliance
5.0. For the procedure for applying the latest IPS software,
18-1.
Installing Cisco Intrusion
C-31