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Re: Setting up a home gateway/router



Vincent W. Chen a écrit :
> 
> Do you mean that eth0 on GW has a static IP address?

No, the OP wrote that internet-facing eth0 has a DHCP address from the ISP.

> # If you have IPv6
> iface eth0 inet6 static
>     address ::1
>     netmask 64

Nonsense. ::1 is for the loopback interface only.
If you have IPv6, use your own global prefix.

If you meant ::1 as an example, note that there is an IPv6 prefix
dedicated to examples and documentation : 2001:db8::/32.

> You have to allow forwarding from your LAN to the outside internet. In
> /etc/sysctl.conf, enable
> 
> net.ipv4.ip_forward=1
> # If you have IPv6
> net.ipv6.conf.all.forwarding=1

You'll probably need to do masquerading for IPv4 with iptables.

iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE.

You could also set up a DHCP and DNS server on the gateway to make
configuration easier on the LAN hosts. dnsmasq is reported to be easy.


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