Hi, Thanks for your kind reply, Yes i have used different * IP Subnets* The IPs and subnet details I use is 1. eth0(configured through u-boot env settings)->> 192.168.174.231 and subnet is 255.255.255.0 2. eth1(configured after kernel is up)--> 192.168.33.64 and subnet is 255.255.248.0
Even i tried by connecting second eth to host PC using cross cable as a stand-alone network but even "ping" did not work.. Thanks & Regards MANJUNATH AM Senior Software Engineer Emsys Larsen & Toubro Limited Mysore-570018 Mobile:9886375926 Vitaly Bordug <[EMAIL PROTECTED]> 02/20/2007 09:30 PM To Alex Zeffertt <[EMAIL PROTECTED]> cc Manjunath AM <[EMAIL PROTECTED]>, [email protected] Subject Re: enabling two eths On Tue, 20 Feb 2007 15:31:54 +0000 Alex Zeffertt <[EMAIL PROTECTED]> wrote: > > Manjunath AM wrote: > > > > Hi, > > > > We are using MPC8272 based target board, we use montavista Linux version > > 2.6.10 kernel image (with NFS enabled) to our target board, > > > > Our board has 2 FCCs (eth0 and eth1). bot the eth's works perfectly > > when we use them independently, but when we are trying to enable second > > one after the kernel is up using linux command "ifconfig eth1 > > 192.168.33.64 up"(IP address)nothing is working. > > Please suggest how to enable second eth (either 0 or 1) once the kernel > > is up with NFS file system > > > Have you made sure that eth0 and eth1 are on *different* IP subnets? > If they are on the same subnet, or intersecting subnets, your routing > will get confused. > It depends :) I used to test functionality such a way to have two enets in same subnet, then ifdown one of them. At least with mvista RFS, one enet handles NFS, other is up but all the packets are routed to it via the first one. And when the first one got ifdown, routing switches to the remaining enet... -- Sincerely, Vitaly
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