[Jool-list] Jool double translation (src+dst) with siit?

[JORDI PALET MARTINEZ]

This looks like a standard 464XLAT ?. I'm using this all the time with jool-siit for the CLAT and jool for the PLAT.

In my case the CLAT is sitting in the "CPE" (subscriber side), while the PLAT is at the ISP.

I'm not sure if you can run both of them in the same box (or VM).

Regards,
Jordi
@jordipalet
 
 

El 2/2/20 22:24, "Jool-list en nombre de Nico Schottelius" <jool-list-bounces at nic.mx en nombre de nico.schottelius at ungleich.ch> escribió:

    
    Hello,
    
    is it conceptually possible with 1 jool instance to translate both the
    source and the destination address in one run or do I need to stack two
    jool instances?
    
    The problem I am trying to solve is as follows:
    
    [ IPv4 only network, i.e. 192.168.0.0/24 ]
    ---> [ Router1: IPv4 -> IPv6 ]
    ------> [ IPv6 only network, i.e. 2001:db8:1::/64 ]
    -----------> [ Router2 with IPv4 + IPv6 + NAT64 ]
    
    So router1 would do the following:
    
    - translate source address 192.168.0.0/24 => 2001:db8:2::/120 [jool
      siit]
    - translate destination address X.Y.Z.A => 2001:db8:3::/96 [ nat64
      prefix ]
    
    Then the packet would be routed to router2, which is connected to the
    real Internet and do the following:
    
    - See that 2001:db8:3::/96 is actually a nat64 prefix -> translate to
      IPv4
    - Has NAT64 -> create a dynamic session entry for the source address in
      2001:db8:2::/120
    
    router2 is as standard nat64 case.
    
    If I am not mistaken, router1 should be able to solve it with 2 eamt
    entries on the line of
    
      "eamt": [
        {
          "ipv6 prefix": "2001:db8:2::/120",
          "ipv4 prefix": "192.168.0.0/24"
        {
          "ipv6 prefix": "2001:db8:3::/96",
          "ipv4 prefix": "0.0.0.0/0"
        }
      ]
    
    I'll try this out tomorrow, but does anything speak against src + dst
    translation this way?
    
    Best,
    
    Nico
    
    
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