Hi Dear Open Vswitch Developer. I am having a problem after I establish the tunnel between two xensenvers. The GER Tunnel occupies a huge portion of the bandwidth. When I enable the netflow on open vswitch, the GRE tunnel has over 95% traffic of the xenserver.
Any idea on that ? Now I disconnected the tunnel until I found the solution to this problem. Thanks very much. On Sun, Oct 9, 2011 at 6:01 PM, terryxing <[email protected]> wrote: > Yes, I made it work. > > For iptable rule, you do not have to specify the port number since it does > not go with TCP or UPD. Try to use the -p gre parameter. > > Thanks, > > > On Sun, Oct 9, 2011 at 5:54 PM, Justin Pettit <[email protected]> wrote: > >> On Oct 9, 2011, at 4:38 PM, terryxing wrote: >> >> > I want to tunnel two openvsiwtch on two physical xenserver behind the >> firewall. Only two firewalls at each site have the public ip. If there any >> way I can make that work ? >> > >> > I heard that the GRE is using port 47 and I enable the NAT on the >> firewall for port 47. But It does not work. Any idea ? >> >> It's using IP protocol 47, not a TCP or UDP port. So, you will need to >> write the appropriate rule to allow it to pass. If you're using NAT, you'd >> also need to configure forwarding for that as well. >> >> --Justin >> >> >> > > > -- > Best regards, > > Tianyi Xing (邢天翼) > > PhD Student, Research & Teaching Associate > SNAC:Secure Networking and Computing group > School of Computing, Informatics, and Decision Systems Engineering > Ira A. Fulton School of Engineering, > Arizona State University > Tempe, AZ 85281, USA > Cell: (+1) 480-678-3090 > > -- Best regards, Tianyi Xing (邢天翼) PhD Student, Research & Teaching Associate SNAC:Secure Networking and Computing group School of Computing, Informatics, and Decision Systems Engineering Ira A. Fulton School of Engineering, Arizona State University Tempe, AZ 85281, USA Cell: (+1) 480-678-3090
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