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Forwarding all dns traffic to specific servers?

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  • Forwarding all dns traffic to specific servers?

    Hey I currently use a wrt54g with openWRT to forward all my dns requests on my network to open dns

    'iptables -t nat -a PREROUTING -d ! $LAN_IP -p UDP -dport 53 -j dnat --to-destination $OPENDNS_SERVER '

    and I want to be able to to do this on my cisco 837, haven't done much with cisco's before except for some basic config scripts, any help would be great.

    Thanks
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