From mboxrd@z Thu Jan 1 00:00:00 1970 From: "ArcosCom Linux User" Subject: Re: Help with multiple IP networks over an ethernet one Date: Thu, 11 Sep 2008 00:48:54 +0200 (CEST) Message-ID: <7ffdca96fd513b795e9a5996f03c72bd.squirrel@www.arcoscom.com> References: <48C6EF5B.3030005@riverviewtech.net> <99a0783d528d1709644f5e55f406f469.squirrel@www.arcoscom.com> <48C7D68C.2070902@riverviewtech.net> <48C82F38.3070400@riverviewtech.net> Reply-To: linux@arcoscom.com Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <48C82F38.3070400@riverviewtech.net> Sender: netfilter-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="iso-8859-1" To: Grant Taylor Cc: Mail List - Netfilter Thanks again, I'll answer below: El Mie, 10 de Septiembre de 2008, 22:34, Grant Taylor escribi=F3: > On 09/10/08 14:13, ArcosCom Linux User wrote: >> Thanks for the response, I'll answer the questions below: > > You are welcome. > >> Because I cant have another uplink in the router place and I need to >> put that in another building that can have another uplink. > > Ok... Let me see if I (now) understand you right. You have your rout= er > in question along with uplinks 1 and 2 (and their associated modems / > routers) in one location and uplink 3 (and it's associated modem / > router) and (part of) the LAN are located in another building? Furth= er > you can't make an additional connection between the buildings to conn= ect > uplink 3 to the router? > I can't, there's no visible line between builds. >> Ah, no, this is not the reason. It's a "logistic" reason only. > > *nod* (Logistics being proximity and / or cabling) > >> Yes, that appears to be the problem (seeing tcpdumps in each >> interface). > > *nod* > >> Do you have any suggestion about that parameters on that interfaces? > > I don't recall the option(s) that need to be set off hand, but I thin= k > you are looking for the the ARP /proc entries that tell the system to > only reply to ARP queries if they come in an interface that has an IP= in > the subnet that the query is for. Thus when you receive ARP queries = on > eth0 and eth3, the system should only reply from eth0 or eth3 dependi= ng > on what IP is being ARPed for (the uplink 3 or LAN IP). > Appears that, between e-mail and e-mail, I have a workaround changing a= rp parameters to the interfaces. Many thanks!! > Something else to consider is VLAN trunking across the connection fro= m > eth0 to the LAN(s). Heck, you might consider putting all six network= s > on its own VLAN: u1, u2, u3, l1, l2, and l3. If you trunk across the > connection between buildings, you can access the uplink modems any wh= ere > you can connect to the VLAN. I've successfully had a cable modem (th= at > was connected to its own VLAN) at the opposite end of a campus from t= he > router with out any problems at all. > Uhmm ... VLANs ... sound fine!! Do you know any URL to begin with VLANs? Thanks!! > > > Grant. . . . > > > > Grant. . . . > -- > To unsubscribe from this list: send the line "unsubscribe netfilter" = in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >