Re: [gentoo-user] Router 3rd and 4th net interface problem

[Grant]

> > I have a Gentoo router with eth0 connected to the WAN (DSL modem/router)
> > and ath0 connected to the LAN.  It works perfectly.
> >
> > I've added two ethernet cards and I'm trying to connect from another
> > machine to one of the new cards (eth1 and eth2).  ifconfig shows the cards
> > are detected just fine, but dhcp always fails when trying to obtain an IP
> > address. I have the following /etc/conf.d/net:
>
> Firstly, you really should look at /etc/conf.d/net.example and upgrade your
> config to the new format.

Will do.

> > config_eth0="192.168.1.2 netmask 255.255.255.0"
> > routes_eth0="default via 192.168.1.1"
> >
> > config_ath0="192.168.0.1 broadcast 192.168.0.255 netmask 255.255.255.0"
> > mode_ath0="master"
> > essid_ath0="mynetwork"
> >
> > config_eth1="192.168.0.1 broadcast 192.168.0.255 netmask 255.255.255.0"
> >
> > config_eth2="192.168.0.1 broadcast 192.168.0.255 netmask 255.255.255.0"
>
> Err, you can't assign the same IP to multiple interfaces.
> You mention DHCP, did you mean that eth1 and eth2 are to get a DHCP leases
> from another server? If so, do this:
> config_eth1=( "dhcp" )
> config_eth2=( "dhcp" )

eth0 is connected to the WAN (DSL modem/router), and ath0, eth1, and
eth2 are all meant to allow other systems to connect to the LAN via
DHCP.  Should I be configuring eth1 and eth2 as 192.168.0.1?

> > I've started net.eth1 and net.eth2 (both are links to net.lo) and restarted
> > dnsmasq.  I thought it might be a problem with my iptables settings which
> > don't take the new interfaces into account, but stopping iptables doesn't
> > seem to help.
>
> What are you using dnsmasq for?

It's for DNS and DHCP.

- Grant
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