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Old 03-26-2011, 03:28 PM   #1
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how to enable ipv6 forwarding

I would like to enable ipv6 forwarding . i have ipv6 module loaded.
I added net.ipv6.conf.all.forwarding=1 in /etc/sysctl.conf .
i tried reboot , did ‘service network restart’ .
Also I tried
sysctl -w net.ipv6.conf.all.forwarding=1
echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
and rebooting and ifdown& ifup interfaces.

But stiilll i dont see the IPv6 being forwarded between two inyterfaces (i am using tcpdump to see).

# modprobe -c | grep ipv6
alias net-pf-10 ipv6
alias ipv6 on

#cat /proc/version
Linux version 2.6.18-194.el5PAE ( (gcc ve
rsion 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Tue Mar 16 22:00:21 EDT 2010

# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 5.5

Last edited by nikole; 03-26-2011 at 03:31 PM.
Old 03-27-2011, 08:56 AM   #2
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First thing I'd check is the rest of the equipment. Is everything (router, switch) ipv6 capable?



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