Hmmm... In other areas of networking endeavor its fairly common to bind multiple layer2's using PPP. I have no knowledge of this sort of thing being done using PPPoE, but I wonder...
Ryan On Wed, 2003-06-18 at 15:47, Mike Johnson wrote: > Michael Winslow Czeiszperger [EMAIL PROTECTED] wrote: > > Hi-- > > > > I'm working on a new feature for our load testing product and have > been > > stumped on a Linux configuration issue. The product needs to send out > > HTTP requests from multiple IP addresses in order to fake out IP-based > > > load balancers. To do this I need to configure a Linux box to have > > multiple IP addresses on the same network card, but for the life of me > > > I can't find the HOWTO or docs to do this. Strangely enough it seemed > > fairly easy on Windows :-( > > What exactly are you trying to do? You say you want to have requests > originate from your Linux host, and have those requests come from > different IP addresses. A lot of people responded with how to tie > multiple IP addresses to your card, but that will only help for incoming > requests. Outgoing requests/connections will originate with the IP > address of the primary interface. So you can add all the IP addresses > you want, and the system will answer requests to those IPs, but when the > system originates a request, it will go out with the IP address of the > primary interface (subnets/routing non-withstanding). > > If I understand what you're trying to do, it's not as easy as you think. > You'll need to get down at the network layer, and play around with raw > packets. You need to craft packets with whatever source IP you want, > with your MAC address, send the request and then cope with the response > (and pass this up to your application, if needed). > > I'm pretty certain that you'll need to head down this path, but I'm more > than happy to be proven wrong (but ya better have packet captures to > back ya up ;) > > Mike -- Ryan Leathers <[EMAIL PROTECTED]> Global Knowledge
signature.asc
Description: This is a digitally signed message part
