Re: Ask an issue about how can I let netfilter-nat work normally, thanks

[Humberto Jucá <betolj@xxxxxxxxx>]

Hi,

Show us your NAT rules...
iptables -t nat -nL -v
or
Firewall dump with iptables-save


Use tcpdump to see if the IP translation occurs.
tcpdump -i <if_net> host <ip_address> -n


2012/5/30 miao hongbing <miao_hb@xxxxxxxxxxx>:
>
>
> Hi Sirs,
>
> I am Steve Miao from China, currently we use broadcom's WiFi chipset, the chipset version is 5356  the software version is linux-2.6-router-5.70.48.10.
>
> We meet an issue about fast-nat, we plan to remove fast-nat and use common netfilter-nat base some reasons, when we removed fastnat by disabling CONFIG_BCM_NAT(the option of kernle's menuconfig) or let "ipv4_conntrack_fastnat=0",  fast-nat is disabled succesfully, but netfilter-NAT can not work normally, the phenomenon is:  we can ping any website,  can not surf  it. that means ICMP can work normally but TCP/UDP can not.
>
> Could anyone pls tell me how I can let netfilter-NAT work normally? if you know it pls kindly let me know.
>
> Thank you very much!!!
>
> Regards,
> Steve                                     --
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