Thanks for that explanation. Makes sense! I may have to set this up for a couple of customers, so I'll probably either set up a BSD box as a router, or ask ACC to re-configure my T1 router to do this.
Thanks, Roger ----- Original Message ----- From: "Lars Gaarden" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, August 08, 2003 12:10 PM Subject: Re: [smartBridges] client to client communication > Scott Damron wrote: > > Why would you want them to see each other at all? If they need to map a > > drive, you should still be able to do that using the old > > \\ip-address\share > > Nope. Not with client-client communication disabled and all clients > configured so that they think they are on the same subnet. Disabling > client-client on a subnet breaks the way that IP expects layer2 to > behave. > > To give an example: > Client1 10.0.0.2 netmask 255.255.255.0 gw 10.0.0.1 > Client2 10.0.0.3 netmask 255.255.255.0 gw 10.0.0.1 > > If you type \\10.0.0.3\share on Client1, it will try to send packets > directly to Client2 (it will first send an ARP asking for the MAC of > 10.0.0.3, and then try to send ethernet frames with that MAC as the > destination). With client-client communication disabled, the AP will > drop the packets instead of forwarding them. > > > Roger - the client will only send packets to the router behind the > AP if it is configured to do so. Put each client on a different subnet > and configure the router to forward packets between the subnets. > > Client1 10.0.0.2 netmask 255.255.255.252 gw 10.0.0.1 > Client2 10.0.0.6 netmask 255.255.255.252 gw 10.0.0.5 > Configure router with IPs 10.0.0.1 and .5, netmask 252 on the > interface connected to the AP and enable routing between them. > > When Client1 now types \\10.0.0.6\share, his computer will look at > the netmask and see that it needs to send the packet through > 10.0.0.1. > > This is horribly inefficient with regards to address space, though. > If you are using public IPs, you're using 4 addresses per client! This > is one of the reasons why some of us prefer to use PPPoE. > > TCP/IP Illustrated Vol. 1 by Stevens or Internetworking with TCP/IP > by Comer is recommended. > > -- > LarsG > > The PART-15.ORG smartBridges Discussion List > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> > To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) > Archives: http://archives.part-15.org The PART-15.ORG smartBridges Discussion List To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) Archives: http://archives.part-15.org
