Thanks Rob, Thats what I was thinking was going on. Just wanted to make sure.
Aaron On Sun, Nov 21, 2010 at 2:04 PM, Rob Sherwood <rob.sherw...@stanford.edu>wrote: > [maybe less of a nox question and more of an openflow question, but...] > > The switch opens a raw socket to listen on each interface, so it's > effectively a read-only copy like tcpdump uses (exactly like tcpdump), > so it doesn't interfere with any other processing that happens. You > could imagine the switch doing something more exotic (e.g., hooking > into the stack deeper with netfilter -- www.netfilter.org), but I > think the common case is to use the switch on interfaces that do not > have daemons running on them. > > What is the high level goal that you have here? I mean you could > always block the response with iptables, but that begs the question of > why not just turn the service off in the first place? > > - Rob > . > > > > On Sun, Nov 21, 2010 at 10:39 AM, Aaron Rosen <aro...@clemson.edu> wrote: > > Hello, > > > > I have a question about what happens when you are sending packets to a > host > > that is also running the openflow switch. For example, I'm running > openflow > > on a pc-engine with the following command. > > > > ofprotocol unix:/var/run/dp0 tcp:130.127.39.173:6639 --fail=closed & > > ofdatapath punix:/var/run/dp0 -i eth0,wlan0 ptcp:6633 & > > > > This pc-engines ip address is 192.168.2.2. > > > > So, when this pc-engine receives a packet for 192.168.2.2 (under a > special > > condition) I want to change this packet and send it out to someone else > by > > modifiying the ip.dst (etc). Though it seems that when the pc-engine > > receives this packet it will go a head and respond and then pass the > packet > > to openflow (which is running between eth0 + wlan0). Is this what is > > expected? > > > > Thanks, > > > > Aaron > > > > > > > > > > -- > > Aaron O. Rosen > > Masters Student - Network Communication > > 306B Fluor Daniel > > 843.425.9777 > > > > > > _______________________________________________ > > nox-dev mailing list > > nox-dev@noxrepo.org > > http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org > > > > > -- Aaron O. Rosen Masters Student - Network Communication 306B Fluor Daniel 843.425.9777
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