North American Network Operators Group
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Re: Going dual-stack, how do apps behave and what to do as an operator (Was: Apple Airport Extreme IPv6 problems?)

  • From: Iljitsch van Beijnum
  • Date: Sun Sep 16 11:57:58 2007

On 16-sep-2007, at 16:46, <[email protected]> <[email protected]> wrote:

- setup a 6to4 relay + route 192.88.99.1 + 2002::/16

How? 

Listing 11-7. A Cisco 6to4-to-IPv6 Gateway Configuration
!
interface Loopback2002
 ip address 192.88.99.1 255.255.255.255
!
interface Tunnel2002
 ipv6 enable
 ipv6 mtu 1280
 tunnel source 192.88.99.1
 tunnel mode ipv6ip 6to4
!

Listing 11-8. A Private 6to4 Gateway in the IPv6-to-6to4 Direction
!
interface Tunnel2002
 ipv6 address 2002:DFE0:E1E2::/16
 ipv6 mtu 1280
 tunnel source 223.224.225.226
 tunnel mode ipv6ip 6to4
!

Assuming you have already configured your normal IPv6 connectivity (you havent!? http://www.bgpexpert.com/presentations/ ipv6_tutorial.pdf ). Don't forget to sprinkle some "redistribute connected" over your favorite routing protocols and you're in the 6to4 gatewaying business.

If you want to run a public gateway, announce 192.88.99.0/24 and 2002::/16 over BGP.

Iljitsch


--
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