[ovs-discuss] Fwd: [floodlight-dev] Two mininet networks connected through gre tunnel.

Ryan Izard rizard at g.clemson.edu
Fri Nov 14 19:20:10 UTC 2014


Thanks Ben!

Ryan Izard
Graduate Research/Teaching Assistant
306B Fluor Daniel Building
ECE Department, Clemson University
Clemson, SC 29634
rizard at g.clemson.edu
---------------------------------------------------
Big Switch Networks
ryan.izard at bigswitch.com

On Sun, Nov 9, 2014 at 5:41 PM, Ben Pfaff <blp at nicira.com> wrote:

> On Sat, Nov 08, 2014 at 11:57:48AM -0500, Ryan Izard wrote:
> > There are two Nicira extension OXMs that our library was not able to
> > process in the controller within a PACKET_IN message from OVS. Could
> > someone shed some light as to what those are and any others that OVS
> 2.1.1
> > or any other version might send? The field IDs are 31 and 32.
>
> Nicira extension OXMs are documented in meta-flow.h.  I guess you're
> looking for these:
>
>     /* "tun_src".
>      *
>      * The IPv4 source address in the outer IP header of a tunneled packet.
>      *
>      * For non-tunneled packets, the value is 0.
>      *
>      * Type: be32.
>      * Maskable: bitwise.
>      * Formatting: IPv4.
>      * Prerequisites: none.
>      * Access: read/write.
>      * NXM: NXM_NX_TUN_IPV4_SRC(31) since v2.0.
>      * OXM: none.
>      * Prefix lookup member: tunnel.ip_src.
>      */
>     MFF_TUN_SRC,
>
>     /* "tun_dst".
>      *
>      * The IPv4 destination address in the outer IP header of a tunneled
>      * packet.
>      *
>      * For non-tunneled packets, the value is 0.
>      *
>      * Type: be32.
>      * Maskable: bitwise.
>      * Formatting: IPv4.
>      * Prerequisites: none.
>      * Access: read/write.
>      * NXM: NXM_NX_TUN_IPV4_DST(32) since v2.0.
>      * OXM: none.
>      * Prefix lookup member: tunnel.ip_dst.
>      */
>     MFF_TUN_DST,
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://openvswitch.org/pipermail/ovs-discuss/attachments/20141114/0b40eb61/attachment-0002.html>


More information about the discuss mailing list