Release Notes : BIG-IP Controller, version 4.1.1 PTF-01

Applies To:

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BIG-IP versions 1.x - 4.x

  • 4.1.1 PTF-01
Release Notes
Original Publication Date: 11/08/2001 Updated Date: 04/18/2019


This product temporary fix (PTF) provides enhancements and fixes for the BIG-IP, version 4.1.1.  The PTF includes all fixes released since version 4.1.1.


Installing the PTF

Apply the PTF to the BIG-IP, version 4.1.1 using the following process.  The install script saves your current configuration.

  1. Connect to the F5 FTP site (

    Use FTP in passive mode from the BIG-IP to download the file.  To place FTP in passive mode, type pass at the command line before transferring the file. 

  2. Download the correct PTF file to the /var/tmp/ directory on the target BIG-IP.
    For crypto BIG-IP units, choose  For non-crypto units, choose

  3. Change your directory to /var/tmp/ by typing:
    cd /var/tmp/

  4. Enter the following command to install this PTF:
    For crypto, type:  im
    For non-crypto, type:  im

  5. The BIG-IP automatically reboots once it completes installation.

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Software enhancements and fixes

What's fixed in this PTF

bigsnmpd and system resources (CR17736)
The bigsnmpd no longer exhausts system resources.

Web-based First-Time Boot utility (CR17697)
The web-based First-Time Boot utility can now assign port numbers to separate VLANs on dual port NICs.

Web-based First-Time Boot utility intermittent issues (CR17660)
Web-based First-Time Boot utility issues with change webadmin userid and password are now fixed.

iControl SOAP WSDL (CR17685)
iControl now works with the MSSOAP Toolkit

Monitors: node address timeout (CR17655)
When using monitors, you can now adjust the node address timeout setting.

SEE-IT provider for BIG-IP (CR17605)
The SEE-IT provider for the BIG-IP is now reporting correct interface names.

SIP and IP fragments (CR17598)
BIG-IP now correctly detects when all IP fragments of a datagram have been received.

SNAT Automap functionality (CR17779)
SNAT Automap now functions correctly.

SNAT port collision resolution (CR17798)
SNAT virtual server connections and non-TCP SNAT connections are now resolved properly.

Stray interrupt messages may cause the network interface to stop accepting traffic (CR17602)
Stray interrupt messages from an SSL driver no longer cause the network interface card to stop accepting traffic.

Type of service (TOS) value on delayed binding connections (CR17614)
The BIG-IP now sets a correct type of service (TOS) value on delayed binding connections.

VLAN creation (CR17700)
The maximum number of VLANs you can create on an IP Application Switch is 63 (The maximum for the Controller platform is 256).  If you create more then 63 VLANs you will receive an error message. 

Client POST with SSL proxy and client header insertion may time out (CR17894)
A Client POST with SSL proxy and client header insertion no longer times out.

Enhancements and new features

Keep-alives are now more robust (CR17671)
Keep-alives with problematic CGIs are now more robust.

SIP improvements (CR17599)
This PTF includes Session Initiation Protocol (SIP) improvements including load-balancing support and Call-ID persistence for proxy servers that receive SIP messages sent through UDP.

svcdown_reset sends RSTs (CR17617)
The svcdown_reset command now sends RSTs on attempted initiation.

Translated connection rebinding (CR17600)
The BIG-IP now allows for rebinding of translated connections.

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Required configuration changes

There are no required configuration changes in this PTF.

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Known Issues

The following items are known issues in the current release.

Update status in the LOAD-BAL-MIB.txt (CR17864)
The virtual server status statistics for ready and disabled are reversed.

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