How to enable IPV6 addresses

Java

If you have upgraded to configured network channel with IPV6 listen address on Weblogic managed servers. Then,
you need to do below steps to make sure Weblogic automatically differentiate the IPV4 and IPV6 traffic with the default and IPV6 network channels only. The same below arguments can also be used in any other Oracle JVM’s to enable IPV6 addresses.

Add below two JVM arguments to the startup script and Restart the servers:

-Djava.net.preferIPv6Addresses=true -Djava.net.preferIPv4Stack=false

Once above changes are done you can verify it by using below steps:

You can verify it by using the network utility commands like Ping6 and tracerts6 for IPV6

For example,

ping6 -I eth1 fe77::10c:g1gg:ged0:f21c

More Info at:-

sag_ip_v6_pro_diag_ping6

sag_ip_v6_pro_diag_ping6_conn

sag_ip_v6_imp_conf3

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