[OpenIndiana-discuss] How to deal with IPV4/6 as a router

Gary Gendel gary at genashor.com
Wed Jun 6 19:29:51 UTC 2012


My Home OI box currently serves as my router/gateway to my ISP.

Under IPV4 I have

Cable Modem <-> bge0 <-> ipfilter/nat <-> bge1 <-> network.

My ISP has turned on IPV6 and I can get as many addresses as I want.  
However, some of my devices aren't ipv6 capable so I have to deal with a 
mix of ipv4 and ipv6 addresses until these are retired.

I turned on ipv6 on bge0 and have both an ipv4 and ipv6 address.  I also 
can run the ipv6 test (test-ipv6.com) perfectly.

The question is: How do I set up things so it works with my internal 
devices?  It seems that All I want to do is to leave the ipv4 setup as I 
have it now and pass all ipv6 packets (discovery, etc.) from bge0 to 
bge1 (and visa versa).  This way my ISP will provide ipv6 addresses to 
those devices that ask for one.

Or should I provide a "private" ipv6 address space for my LAN?  This 
doesn't seem to be in the spirit of ipv6, but it will provide me more 
firewall control of traffic in and out of the network and provide 
"static" addresses to my hosts.

Gary




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