Went to add a match rule based on packet length and couldn't find the right term or syntax. Then I searched the ovs-ofctl man page and couldn't find anything. Even more surprising was that I couldn't find an example of this previously being asked on any OVS discussion groups. Couldn't find it in the FAQ either. I know in stating so many places looked I will inevitably get proven wrong but I did try.
So.....can you add a rule via ovs-ofctl to match on a packet's length? Probably tricky because it would have to have greater-than and less-than semantics and that doesn't play well with the fixed-length matches of OpenFlow. Are there any extensions that enable this? Or any pointers to previous discussions about it? -K
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