pppoed using mpd - dirrect connect between LAN clients

[Lowell Gilbert]

Please don't top-post.

Ovidiu Ene <ovidiue at unixware.ro> writes:

> Yes, i'll try:
> 
>      WAN
> ---------------------
>  |          ROUTER     |       (also pppoe server using mpd)
> ----------------------
>     LAN     |
>               switch
>                |       |          |                      |
>         user1     user2                        user n
> 
> ROUTER is a FreeBSD Box
> 
> user 1 ... user n are windows stations connected to pppoe server (win
> 98, windows 2000 or win xp)
> 
> On the router is installed a dc++ server.
> Users .... 1... to n are connected to dc++ server, they download files
> from each other.
> The problem is that traffic from user 1 to user 2 , or between any
> user is going via  LAN nic.
> 
> If i do not use pppoe server and assign user1 .... user2 fixed ips
> then the traffic in lan is direct from a user to another. The traffic
> on LAN nic is not high.
> So, pppoe will help in a easyer configuration of a client but traffic
> in lan is via LAN nic which is bad... if are many computers it slows
> down alot.
> 
> If user 1 download from user 2 a 700 mb iso it will take only 1 minute
> for a 100 mbps lan, but if pppoe is setup and many users download from
> each others the traffic lows down a lot... i had experience with 300
> kbytes/s instead of 8 mbytes/s.

It sounds like you are configuring the "user" hosts so that their
network interfaces are PPPoE tunnels.  If you don't configure them to
understand the Ethernet as a subnet, they won't know how to send
packets directly to each other.

>         Lowell Gilbert wrote:
> 
> >Ovidiu Ene <ovidiue at unixware.ro> writes:
> >
> >
> >>Hello guys
> >>
> >>I've setup a pppoe server using mpd and i've activated proxy arp in pppoed.
> >>The problem is that all traffic between LAN users is going via pppoed NIC.
> >>I do not want that, i want that LAN users to have traffic direct, like
> >>using fixed IPs.
> >>
> >>it is possible? how?
> >>
> >
> >Can you draw a picture of the configuration?
> >I don't follow your description, and others may be having the same problem.
> >
> >
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> 

-- 
Lowell Gilbert, embedded/networking software engineer, Boston area
		http://be-well.ilk.org/~lowell/