[CentOS] PPPoE setup
Robert Moskowitz
rgm at htt-consult.com
Wed Jul 2 23:59:06 UTC 2008
Ramon Nieto wrote:
>
>
> --- El *mié 2-jul-08, Robert Moskowitz /<rgm at htt-consult.com>/* escribió:
>
> De:: Robert Moskowitz <rgm at htt-consult.com>
> Asunto: [CentOS] PPPoE setup
> A: "CentOS mailing list" <centos at centos.org>
> Fecha: miércoles, 2 julio, 2008, 4:09 pm
>
> My provider is getting ready to switch my DSL router to bridging mode
> and I supply the router (so I can get no only IPv4 addresses but also
> IPv6 addresses!).
>
> Here are his 'instructions' to me:
>
> "Basically you start pppoe, I give you the username and password for it,
> and then I set the router to passthrough
> modem mode, and you initiate
> the PPPoE session directly with my LNS back here. You'll get a dynamic
> IP on the dsl side
> (which is normal) and then you just set up your
> static routes in the linux box as normal. My LNS automatically routes
> your traffic to the IP it randomly assigns to the DSL link. Once we
> verify that IP6CP is up, I can assign you a /48 and you can rock out
> with that however you want."
>
>
>
> Currently I have a /26 IPv4 assignment which will continue.
>
> So do I change the alias in modprobe.conf from eth0 to ppp0? Or is just
> listing interface eth0 in hte pppoe.conf file enough?
>
> From my ISP's comments, the pppoe negotiation will provide the address
> for eth0. I already know my /26 allocation. I need to set up static
> routes on eth1 for these IPv4 addresses (different subnets to different
> internal firewalls). What tool do I use to set these?
>
> And then I get to work with
> IPv6!
>
> Pointers to Howtos are greatly appreciated.
>
>
>
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>
>
> Robert,
>
> No, do not modify the alias for eth0, leave modprobe.conf unchanged.
>
OK. That is what I thought. I suspect the advice I found was for a
different distro.
>
> How did you configured the pppoe link?
>
I haven't yet. Trying to get the steps down before I do. Once I start,
I am off the net until it works.
>
> I have been using the adsl-setup command from the rp-pppoe package to
> configure the dsl link, it generates the ifcfg-ppp0 file on
> /etc/sysconfig/network/scripts with the values needed to bring the
> link up such as the username, network interface to use, etc.
>
> Also the adsl-setup command stores the username and password on the
> chap-secrets and pap-secrets files under /etc/ppp
>
> After the dsl is configured you can bring it up /down with the
> adsl-start adsl-stop commands.
>
>
OK. I see the adsl-setup command in both /sbin and /usr/sbin. So I can
run them and see what they produce.
What do you do to get adsl-start to run at boot (and at the proper point
in booting).
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