Guest DNS problem

Discussion in 'Tomato Firmware' started by krux01, Apr 3, 2014.

  1. krux01

    krux01 LI Guru Member

    I have setup a guest vlan (br1) and when I set different DNS servers for each vlan either using
    dhcpmasq dhcp-option=brx,6,xxx.xxx.xxx.xxx
    or using iptables
    iptables -t nat -A PREROUTING -i br1 -p udp --dport 53 -j DNAT --to xxx.xxx.xxx.xxx
    iptables -t nat -A PREROUTING -i br1 -p tcp --dport 53 -j DNAT --to xxx.xxx.xxx.xxx
    the guest vlan passes lookups to the new dns servers but does not use any of the dnsmasq options such as bogus-nxdomain=
    Any troubleshooting help would be appreciated. I have added log-queries to my dnsmasq setup and lookups are logged for br0 but not br1. Not sure what else to look at.

    I am running latest shibby build
     
    Last edited: Apr 20, 2014
  2. krux01

    krux01 LI Guru Member

    Can someone confirm if this is happening on their device with Tomato Shibby current build? I want to ensure that it is not just a configuration issue. Thanks.
     
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