[ovs-discuss] Can you match on packet length?
holleman at skyportsystems.com
Mon Jun 19 21:08:52 UTC 2017
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?
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