From: "Lewis G Rosenthal" Received: from [192.168.100.201] (account lgrosenthal HELO [192.168.100.24]) by 2rosenthals.com (CommuniGate Pro SMTP 5.0.9) with ESMTPA id 288893 for os2-wireless_users@2rosenthals.com; Mon, 14 Aug 2006 10:47:51 -0400 Message-ID: <44E08D1A.2070609@2rosenthals.com> Date: Mon, 14 Aug 2006 10:47:54 -0400 Organization: Rosenthal & Rosenthal, LLC User-Agent: Mozilla/5.0 (OS/2; U; Warp 4.5; en-US; rv:1.9a1) Gecko/20060701 MultiZilla/1.8.2.0i SeaMonkey/1.5a MIME-Version: 1.0 To: OS/2 Wireless Users Mailing List Subject: Re: [OS2Wireless]Re: Odd routing with two NICs References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 08/14/06 03:30 am, Dave Saville thus wrote : > On Sun, 13 Aug 2006 19:31:30 -0400, Lewis G Rosenthal wrote: > > >> On 08/09/06 04:03 am, Dave Saville thus wrote : >> >> >> >>> Now my desktop is connected to both networks and has "ipgate on" Its IP's are >>> 81.187.184.98/255.255.255.248 and 192.168.0.2/255.255.255.0 >>> >>> Once the laptop has booted and XWLAN done it's thing I get on the "unused" NIC >>> on the 81 net 192.168.200.250/255.255.255.0 and the wifi nic >>> 192.168.0.49/255.255.255.0 >>> >>> netstat -r from desktop >>> >>> destination router netmask metric flags intrf >>> default 81.187.184.97 0.0.0.0 0 UGSP lan1 >>> 12.172.135.250 81.187.184.97 255.255.255.255 0 UGHW lan1 >>> 69.90.217.26 81.187.184.97 255.255.255.255 0 UGHW lan1 >>> 81.103.221.14 81.187.184.97 255.255.255.255 0 UGHW3 lan1 >>> 81.187.81.187 81.187.184.97 255.255.255.255 0 UGHW3 lan1 >>> 81.187.184.96 81.187.184.98 255.255.255.248 0 UC lan1 >>> 127.0.0.1 127.0.0.1 255.255.255.255 0 UH lo >>> 192.168 192.168.0.2 255.255.255.0 0 UC lan0 >>> 195.249.183.204 81.187.184.97 255.255.255.255 0 UGHW lan1 >>> >>> >>> netstat -r from laptop >>> >>> destination router netmask metric flags intrf >>> >>> default 192.168.0.4 0.0.0.0 0 UGP lan1 >>> 81.187.184.98 192.168.0.4 255.255.255.255 0 UGHW lan1 >>> 81.187.184.103 192.168.0.4 255.255.255.255 0 UGHW lan1 >>> 127.0.0.1 127.0.0.1 255.255.255.255 0 UH lo >>> 130.88.202.49 192.168.0.4 255.255.255.255 0 UGHW3 lan1 >>> 192.168 192.168.0.49 255.255.255.0 0 UC lan1 >>> 192.168.200 192.168.200.250 255.255.255.0 0 UC lan0 >>> 192.168.201.255 192.168.0.4 255.255.255.255 0 UGHW lan1 >>> >>> Now the odd part. If I do something that requires file & print, for example a >>> directory list on a shared drive, it uses the 81 net - and it works. Now the >>> wired 81 net will get initialised first on an 81 address at boot. Then XWLan >>> comes along reassigns the NIC to 192.168.200.250 and inits the wifif card. >>> *Then* I login to the LAN which gets the shares going. I can't see either why >>> it does what it is doing, nor, more importantly, *why* it actually works. >>> >>> >> Hi, Dave. You don't mention what IP is assigned to your desktop or which >> machine on your network is located at 192.168.0.4. It's probably >> something else on your LAN which is routing the traffic. As all >> 192.168.0.0 traffic should be routed through lan1 at 192.168.0.49 >> (including the 192.168.200.0 traffic), this is probably where your >> packets are flowing, getting bounced that direction from the IP bound to >> the Wi-Fi NIC. >> > > Lewis, I did give the IPs and netmasks at the top of the post. 192.168.0.4 is a > Sparc which also has nics on both networks. The access point is on the 192 > network so normally any traffic from that net that wants to go elsewhere would > go through the Sparc. > > Oops...so you did! My apologies... I also had a feeling it was your Sparc. :-) > However, in the case I mention the *only* lights on the 81 net switch that are > blinking are the desktop and the laptop. If it were going via the Sparc I would > see three blinking. > Yes, you surely would. This is indeed quite odd, now isn't it? When I have a bit more time, I'll lay this all out in diagram form and see if I can figure out the trace. Speaking of which... Do you get any odd results when trying to run a traceroute on the traffic? -- Lewis ------------------------------------------------------------ Lewis G Rosenthal, CNA, CLP, CLE Rosenthal & Rosenthal, LLC Accountants / Network Consultants New York / Northern Virginia www.2rosenthals.com eComStation Consultants www.ecomstation.com Novell Users Int'l www.novell.com/openenterpriseserver Need a managed Wi-Fi hotspot? www.hautspot.com ------------------------------------------------------------