Posted February 27, 201410 yr Hello, i tried to enable IPv6 networking and after service network restart i seen these messages: Quote: FATAL: Error inserting ipv6 (/lib/modules/2.6.18-348.16.1.el5.028stab108.1/kernel/net/ipv6/ipv6.ko): Device or resource busy CRITICAL : [ipv6_test] Kernel is not compiled with IPv6 support Bringing up loopback interface: [ OK ] Bringing up interface eth0: FATAL: Error inserting ipv6 (/lib/modules/2.6.18-348.16.1.el5.028stab108.1/kernel/net/ipv6/ipv6.ko): Device or resource busy CRITICAL : [ipv6_test] Kernel is not compiled with IPv6 support [ OK ] ping6 ipv6.google.com returns: socket: Address family not supported by protocol Im amateur, can you please suggest how to fix this IPv6 support kernel issue? Please if you get idea on commands i need to do, i will do it. Code: [root@CentOS-58-64-minimal /]# cat vi /etc/sysconfig/network | grep 6; cat: vi: No such file or directory HOSTNAME=CentOS-58-64-minimal NETWORKING_IPV6=yes IPV6FORWARDING=yes IPV6_DEFAULTDEV=eth0 IPV6_DEFAULTGW=2a01:04f8:0191:4150:0000:0000:0000:0000 # defaultgw was 2a01:4f8:191:4150::2/64 IPV6_AUTOCONF=yes [root@CentOS-58-64-minimal /]# cat /etc/sysconfig/network-scripts/ifcfg-eth0 | grep 6; HWADDR=50:46:5d:9f:f8:bf IPADDR=144.76.40.81 SCOPE="peer 144.76.40.65" IPV6INIT=yes IPV6ADDR=2a01:4f8:191:4150::2/64 IPV6_DEFAULTGW=fe80::1 IPV6_DEFAULTDEV=eth0 [root@CentOS-58-64-minimal /]# cat /etc/sysctl.conf | grep 6; # ipv6 settings (no autoconfiguration) net.ipv6.conf.default.autoconf=0 net.ipv6.conf.default.accept_dad=0 net.ipv6.conf.default.accept_ra=0 net.ipv6.conf.default.accept_ra_defrtr=0 net.ipv6.conf.default.accept_ra_rtr_pref=0 net.ipv6.conf.default.accept_ra_pinfo=0 net.ipv6.conf.default.accept_source_route=0 net.ipv6.conf.default.accept_redirects=0 net.ipv6.conf.default.forwarding=1 net.ipv6.conf.all.autoconf=0 net.ipv6.conf.all.accept_dad=0 net.ipv6.conf.all.accept_ra=0 net.ipv6.conf.all.accept_ra_defrtr=0 net.ipv6.conf.all.accept_ra_rtr_pref=0 net.ipv6.conf.all.accept_ra_pinfo=0 net.ipv6.conf.all.accept_source_route=0 net.ipv6.conf.all.accept_redirects=0 net.ipv6.conf.all.forwarding=1 net.ipv6.conf.all.proxy_ndp=1 net.ipv6.bindv6only=1 net.ipv4.ip_conntrack_max=32760 [root@CentOS-58-64-minimal /]# uname -a Linux CentOS-58-64-minimal 2.6.18-348.16.1.el5.028stab108.1 #1 SMP Tue Aug 27 13:02:53 MSD 2013 x86_64 x86_64 x86_64 GNU/Linux Continue reading...
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