CentOS - Aug 2011 - CentOS 6 IPv6: neighbor and restart network

Hallo,
 
for using the ipv6 neighbor functions, I have to execute commands like
ip -6 neigh add proxy 2001::211:d8ff:fe97:3273 dev eth0
to publish the ip of computers in the subnet.
 
To execute them on reboot, I have included these commands in /etc/rc.d/rc.local
 
Also after each restart of the network, I have to execute these commands too.
 
So: how can I always execute 
 
/etc/rc.d/rc.local
 
after 
 
service network restart
 
My idea:
Is it possible to rename /etc/network to /etc/network_original and to create a
new shell script /etc/network to execute both?
 
Other/better advice?
 
Thank you for help in advance.
 
Helmut
 
 
 
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