000035820 - How To enable and disable IPv6 on RSA NetWitness Logs & Packets 11.x hosts

Document created by RSA Customer Support Employee on Jan 26, 2018Last modified by RSA Customer Support Employee on Jan 26, 2018
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Article Number000035820
Applies ToRSA Product Set: NetWitness Logs & Packets
RSA Version/Condition: 11.0
Component: All hosts
Platform: CentOS
O/S Version: EL7
IssueHow To Disable And Enable IPv6 In Netwitness11.x Hosts
Resolution

Here are the steps to disable IPv6 in RSA NetWitness Logs & Packets hosts.
     
Method 1: 
     1. Edit file /etc/sysctl.conf




vi /etc/sysctl.conf



      2. Add the following lines:                 




net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1


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    3. Save and exit the file.

    4. Execute the following command to reflect the changes. 




sysctl -p


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           To re-enable IPv6, remove the above lines from /etc/sysctl.conf and reboot the machine.

 Method 2:

   1. To disable IPv6 in a running system, enter the following commands one by one:         




sysctl -w net.ipv6.conf.all.disable_ipv6=1
sysctl -w net.ipv6.conf.default.disable_ipv6=1


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   OR 




echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6
echo 1 > /proc/sys/net/ipv6/conf/default/disable_ipv6                       


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   2. To enable IPv6 on a running system, enter the following commands one by one:




sysctl -w net.ipv6.conf.all.disable_ipv6=0
sysctl -w net.ipv6.conf.default.disable_ipv6=0


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   OR 




echo 0 > /proc/sys/net/ipv6/conf/all/disable_ipv6
echo 0 > /proc/sys/net/ipv6/conf/default/disable_ipv6


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