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Hello everyone, how do I connect a bridge to v4tunnel on Debian10?

flyqieqqflyqieqq Member
in Help

I tried a lot of methods, but they can't work. Can someone help me? Thank you!
I also communicated with the engineers at tunnelbroker, and they have not tried this.....

Comments

  • dahartigandahartigan Member

    The solution will be the last method you haven't tried yet.

    Thanked by 1uptime
  • RickBakkrRickBakkr Patron Provider, LIR, Veteran

    You don't. (This) GRE is a L3 tunnel and hence cannot be bridged on L2, and even if you'd be having MTU trouble. You are better off just routing it forth and back.

    Thanked by 2rm_ uptime
  • flyqieqqflyqieqq Member

    @dahartigan said:
    The solution will be the last method you haven't tried yet.

    Hello, what is the solution?

  • flyqieqqflyqieqq Member

    @RickBakkr said:
    You don't. (This) GRE is a L3 tunnel and hence cannot be bridged on L2, and even if you'd be having MTU trouble. You are better off just routing it forth and back.

    Hello, what should I do? I don't know much about routing, but I just fill in bridge_ports with he-ipv6 and it prompts me for 'invalid parameters'

    Thank you ! :smile:

  • dahartigandahartigan Member

    @flyqieqq said:

    @dahartigan said:
    The solution will be the last method you haven't tried yet.

    Hello, what is the solution?

    Potassium hydrochloride.

    Thanked by 1ITLabs
  • RickBakkrRickBakkr Patron Provider, LIR, Veteran

    flyqieqq said: Hello, what should I do? I don't know much about routing, but I just fill in bridge_ports with he-ipv6 and it prompts me for 'invalid parameters'

    Just use bridge_ports none, and set some random IP from your routed /48 (listed @ tunnelbroker.net) with netmask 48 as address on the bridge. This address will be the gateway for other hosts on the bridge who can use any other free IPv6 within the routed /48. Be sure to enable ip6_forwarding in sysctl. Easy as pie.

    Thanked by 1uptime
  • flyqieqqflyqieqq Member

    @RickBakkr said:

    flyqieqq said: Hello, what should I do? I don't know much about routing, but I just fill in bridge_ports with he-ipv6 and it prompts me for 'invalid parameters'

    Just use bridge_ports none, and set some random IP from your routed /48 (listed @ tunnelbroker.net) with netmask 48 as address on the bridge. This address will be the gateway for other hosts on the bridge who can use any other free IPv6 within the routed /48. Be sure to enable ip6_forwarding in sysctl. Easy as pie.

    Thank you! :smile:

  • ErawanArifNugrohoErawanArifNugroho Member

    dahartigan said: Potassium hydrochloride.

    This one?

  • flyqieqqflyqieqq Member

    @RickBakkr said:

    flyqieqq said: Hello, what should I do? I don't know much about routing, but I just fill in bridge_ports with he-ipv6 and it prompts me for 'invalid parameters'

    Just use bridge_ports none, and set some random IP from your routed /48 (listed @ tunnelbroker.net) with netmask 48 as address on the bridge. This address will be the gateway for other hosts on the bridge who can use any other free IPv6 within the routed /48. Be sure to enable ip6_forwarding in sysctl. Easy as pie.

    Hello, I am a newcomer to Linux. I tried it many times according to your method, but it has no effect. Can you give me some Linux commands? Thank you, I wish you a wonderful day. :smile:

  • RickBakkrRickBakkr Patron Provider, LIR, Veteran

    flyqieqq said: Can you give me some Linux commands?

    No. I have already provided you with specific enough instructions.

  • flyqieqqflyqieqq Member

    @RickBakkr said:

    flyqieqq said: Can you give me some Linux commands?

    No. I have already provided you with specific enough instructions.

    Ok, thank you for your help, I will continue to try, once I have a successful result, I will immediately update it in the post and leave it to others for reference. :smile:

  • flyqieqqflyqieqq Member

    @flyqieqq said:

    @RickBakkr said:

    flyqieqq said: Can you give me some Linux commands?

    No. I have already provided you with specific enough instructions.

    Ok, thank you for your help, I will continue to try, once I have a successful result, I will immediately update it in the post and leave it to others for reference. :smile:

    auto he-ipv6
    iface he-ipv6 inet6 v4tunnel
    address 2001:470:xxx:xxx::2
    netmask 64
    endpoint 64.62.xxx.xxx
    local [LOCAL ADDRESS]
    ttl 255
    gateway 2001:470:xxx:xxx::1
    post-up echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
    post-up echo 1 > /proc/sys/net/ipv6/conf/all/proxy_ndp
    #post-up /sbin/ip -f inet6 route add 2001:470:xxx:xxx::1 dev he-ipv6
    #post-up /sbin/ip -f inet6 route add default via 2001:470:xxx:xxx::1
    #pre-down /sbin/ip -f inet6 route del default via 2001:470:xxx:xxx::1
    #pre-down /sbin/ip -f inet6 route del 2001:470:xxx:xxx::1 dev he-ipv6

    auto br1
    iface br1 inet6 static

    This is your client gateway address!!!!

    address 2001:470:xxxx:xxx::2
    netmask 48

    gateway 2001:470:xxx:xxx::1

    bridge_ports none
    bridge_fd 0
    bridge_maxwait 0

    This works for me! Thank! :smile:

    Thanked by 1ErawanArifNugroho
  • ErawanArifNugrohoErawanArifNugroho Member

    Do you copy paste the /etc/network/interfaces ?

    How about using the Code function on the comment box, so not mess with the config :)

    code

    Thanked by 1RickBakkr
  • flyqieqqflyqieqq Member
    edited October 2019

    auto he-ipv6
    iface he-ipv6 inet6 v4tunnel
    address 2001:470:xxx:xxx::2
    netmask 64
    endpoint 64.62.xxx.xxx
    local (LOCAL ADDRESS)
    ttl 255
    gateway 2001:470:xxx:xxx::1
    post-up echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
    post-up echo 1 > /proc/sys/net/ipv6/conf/all/proxy_ndp
    #post-up /sbin/ip -f inet6 route add 2001:470:xxx:xxx::1 dev he-ipv6
    #post-up /sbin/ip -f inet6 route add default via 2001:470:xxx:xxx::1
    #pre-down /sbin/ip -f inet6 route del default via 2001:470:xxx:xxx::1
    #pre-down /sbin/ip -f inet6 route del 2001:470:xxx:xxx::1 dev he-ipv6

    auto br1
    iface br1 inet6 static
    #This is your client gateway address!!!!
    address 2001:470:xxxx:xxx::2
    netmask 48
    bridge_ports none
    bridge_fd 0
    bridge_maxwait 0`

    Thanked by 1ErawanArifNugroho
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