Unless you make changes to the VHDL core, the only way to get packets out of the /8 subnet is to use a gateway. Did you setup a gateway? See my earlier email.
Jason On 15 Oct 2010, at 18:03, Barott, William Chauncey wrote: > Thanks, Mark. > I've taken a closer look at this by logging into my switch management console > (which had not yet been set up at my last email). I was mistaken: Packets > are coming in from the BEE2, but are being tagged as "discarded" in the > switch, and are not getting transmitted to the destination machine. (When it > works, of course, packets are not "discarded", and that is easily seen). As > a note, I have tried setting the BEE2 to the 10.5 subnet, and packets go > through fine then (proof of concept that it's *possible* to get packets from > A-to-B). > > The subnet mask on the receiving interface is /16. I tried to configure the > receiver to /8 as a test, but that didn't seem to help. > > Any thoughts as to why the switch might discard packets in this way? > > Thanks, > Billy > > > From: Mark Wagner [mailto:mwag...@eecs.berkeley.edu] > Sent: Thursday, October 14, 2010 12:25 AM > To: Barott, William Chauncey > Cc: casper@lists.berkeley.edu > Subject: Re: [casper] 10Gbe yellow block outside of subnet? > > Hi Billy, > > I'm not aware of the 10Gbe being specific to certain subnets. Are you sure > it's a generating packets issue and not a receiving packets? > > Have you tried looking for packets using something like wireshark or tcpdump? > > > Also, if you run ifconfig, what is your subnet mask set to? > > Mark > > > On Wed, Oct 13, 2010 at 6:23 PM, Barott, William Chauncey <baro...@erau.edu> > wrote: > Hi all, > > I'm running version 7 of the toolflow compiling for BEE2s. Have run into a > difficulty with the 10Gbe yellow block. > I can quite successfully generate packets within the same subnet - e.g. the > BEE2 on 10.4.0.100 and a receiver computer on 10.4.0.101. However, I've not > been successful in trying to generate packets outside of the /24 subnet. > With the same 10.4.0.100 BEE2 address, I cannot get packets delivered to > 10.5.0.101, for example (note the 4 changed to 5). I've not been able to > find a subnet configuration for the BEE2 10gbe block - maybe I've missed it, > nor have I found anything about such a limitation in the documentation. It > could also be a peculiarity of my network setup (though it's all quite out of > the box), but difficult to diagnose at this stage. > > Has someone out there successfully done what I'm trying to do? Or know that > it's not possible? > Any info is appreciated. Thanks! > > Billy > > > >
