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KB#01229-How to Disable IPv6 on Linux

Title:

How to Disable IPv6 on Linux

Description:

It may be necessary to disable IPv6 to troubleshoot/eliminate BASIS License Manager (BLM) problems on Linux.

Resolution:

Files modified: 

/etc/modprobe.conf - Kernel driver configuration file. 
/etc/sysconfig/network -Networking configuration file. 


1. Edit /etc/modprobe.conf: 
# vi /etc/modprobe.conf 

Append the following line: 

install ipv6 /bin/true 
Save and close the file. 

2. Edit /etc/sysconfig/network: 
# vi /etc/sysconfig/network 

Add or update the following lines: 

NETWORKING_IPV6=no 
IPV6INIT=no 
Save and close the file. 

3. Restart networking service 
# service network restart 
# rmmod ipv6 

3.a Alternatively, simple reboot the box: 
# reboot 

4. Verify IPv6 is disabled, enter: 
# lsmod | grep ipv6 
# /sbin/ifconfig



Last Modified: 06/08/2011 Product: License Manager Operating System: N/A

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