Oct 11, 2010 · These entries in /etc/sysconfig/network : IPV6INIT=NO NETWORKING_IPV6=NO 4. This line is added to /etc/modprobe.d/blaclist : blacklist ipv6 5. Also I did one more in /etc/sysctl.conf : 6. `net.ipv6.conf.all.autoconf = 0` 7. `net.ipv6.conf.accept_ra = 0` Still I am unable to disable IPV6 on linux, any thought please Help Appreciated

The modprobe command always reads the modules.dep file when performing operations. When you ask modprobe to load a specific kernel module, it first examines the dependencies of that module, if there are any, and loads them if they are not already loaded into the kernel. RedHat Enterprise Linux 6 Configuration File : /etc Mar 19, 2015 IPv6 deployment:SOHO network - LQWiki Configuring an IPv6-compatible DNS server is covered in a later section of this document. Install and configure workstation machines as IPv6-compatible machines. Make sure that the customer is using an IPv6-compatible operating system. As of this writing, the only Microsoft operating system that supports IPv6 is Windows XP Service Pack 1 and linux - Module not found when I do a modprobe - Stack Overflow

$ modprobe ipv6 $ sysctl net.ipv6.conf.all.disable_ipv6=0 after: $ ip a 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever

Sep 07, 2011

CentOS7でIPv6を完全に無効化する方法。 - Qiita

[SOLVED] modprobe ip_gre ipv6? - CentOS Feb 27, 2014 IPv6 — The Linux Kernel documentation