I'll have to check into iproute2. Seems interesting...won't be able to
try until tonight (after I get home), but will certainly share the
results.
Thanks,
Ben.
--- Sean <[EMAIL PROTECTED]> wrote:
> I've done this sort of thing before, but never with one interface
> running dhcp. You definitely want to emerge iproute2 (which gives you
>
> the ip command), and add your interfaces to /etc/iproute2/rt_tables,
> for
> example (though in this case, 10 eth0 won't actually get used):
>
> 10 eth0
> 11 eth1
> 12 eth2
>
> Then in /etc/conf.d/net, put:
>
> modules_eth0=("iproute2")
> modules_eth1=("iproute2")
> modules_eth2=("iproute2")
>
> config_eth0=("dhcp")
>
> config_eth1=("10.0.0.{1-10} netmask 255.255.255.0 broadcast
> 10.0.0.255")
> rules_eth1=("from 10.0.0.0/24 src table eth1")
> routes_eth1=("10.0.0.0/24 src 10.0.0.1 table eth1"
> "10.0.0.0/24 src 10.0.0.2 table eth1"
> *** and so on ***)
>
> Then do the same kind of thing for eth1. Now, I also seem to remember
>
> that I had another system that I just did everything with the ip
> commands in rc.local. And since you're also using dhcp, I don't know
> if
> that will muck with the routing tables everytime the IP renews
> itself.
>
> Hope that helps. (Also, I seem to remember finding a decent amount of
>
> information about multihoming with iproute2 on the gentoo forums)
>
> -Sean
>
> BRM wrote:
> > Ok, first - I wasn't sure which list this should go to, so if this
> is
> > the wrong list please just let me know.
> >
> > I am in the process of upgrading my server from a P90 running
> Slackware
> > to a "newer" system running Gentoo 2007.0. Everything is pretty
> okay
> > until I got to doing the network config. My basic config is as
> follows:
> >
> > Public DHCP'd Interface -> eth0 (default gw)
> > Private Lan Interface #1 -> eth1
> > Private Lan Interface #2 -> eth2
> >
> > I also have a number of IP Aliases on the eth1 & eth2. I managed
> this
> > under Slack through a series of custom rc scripts, which
> autodetected
> > the IP address of eth0 for use in the routing. However, I am having
> > trouble figuring out how to do the same thing in Gentoo's
> conf.d/net
> > file system.
> >
> > Thus far, in /etc/conf.d/net, I have the following:
> >
> > config_eth0("dhcp")
> >
> > config_eth1(<list of static IP addresses>)
> >
> > config_eth2(<static ip address>)
> >
> > I also had a route line for eth1 and eth2, but it specified the IP
> of
> > eth1, not eth0 - which is unknown.
> >
> > I've tried the following:
> >
> > route_eth1("default via ${COMMAND_STRING_TO_EXTRACT_IP_OF_ETH1}")
> >
> > which kinda works (it does get the IP address, but fails with at
> adding
> > the route - I'm not at the system right now, so I'll have to post
> the
> > specific SIG name later); however, I am very much doubting that
> that is
> > the right way to do what I want under Gentoo.
> >
> > So, my primary question is:
> >
> > What is the proper way to do this under Gentoo?
> >
> > I know I could just go and manually write versions of
> > /etc/init.d/net.eth1/eth2, but I'd rather do it the right way if
> there
> > is one, and only do that as a last resort. (And even then, wouldn't
> I
> > be risking the Gentoo Configuration system replace them with
> symlinks?)
> >
> > Any how...any advice on the proper way to do this would be greatly
> > appreciated. I really like Gentoo and really do want to keep - I
> use to
> > keep Slack up-to-date manually, and just don't have the time for it
> > anymore, which is why I'm trying Gentoo.
> >
> > Thanks,
> >
> > Ben
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