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Thread: wlan/ether bridge setup

  1. #1
    Join Date
    Jan 2011
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    2

    Question wlan/ether bridge setup

    Browsing here and there I finally succeeded (well almost) in setting up my home-made router/firewall/filer/nameityougotit server. Everything seems to work (using ethernet or wireless connections) but I still have some questions:

    WAN: eth0
    LAN: eth1 and wlan0 are bridged (br0) together

    Question 1
    I am unable to play games using UDP between wlan and eth1 although it works when both stations are connected to eth1. Any clue?

    Question 2
    I used ufw to help me setup IPTables but I am not really happy with this tools. Since my network configuration must be quite common, could anyone point me to a regular IPtable setup script or give me the rules I should add?

    Tanks

  2. #2
    Join Date
    Jan 2011
    Beans
    2

    Re: wlan/ether bridge setup

    I autoreply to my question:
    The solution to the filtering between eth1 and wlan0 (bridged together) can be found on the linux foundation bridge FAQ
    http://www.linuxfoundation.org/colla...ARP_and_STP.29

    No traffic gets trough (except ARP and STP)

    Your kernel might have ethernet filtering (ebtables, bridge-nf, arptables) enabled, and traffic gets filtered. The easiest way to disable this is to go to /proc/sys/net/bridge. Check if the bridge-nf-* entries in there are set to 1; in that case, set them to zero and try again.
    # cd /proc/sys/net/bridge
    # ls
    bridge-nf-call-arptables bridge-nf-call-iptables
    bridge-nf-call-ip6tables bridge-nf-filter-vlan-tagged
    # for f in bridge-nf-*; do echo 0 > $f; done

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