nanog mailing list archives

Re: Linux BNG


From: Baldur Norddahl <baldur.norddahl () gmail com>
Date: Sun, 15 Jul 2018 19:38:13 +0200

søn. 15. jul. 2018 18.57 skrev Denys Fedoryshchenko <denys () visp net lb>:


Openflow IMO by nature is built to do complex matching, and for example
for
typical 12-tuple it is 750-4000 entries max in switches, but you go to
l2 only matching
which was possible at moment i tested, on my experience, only on PF5820
- you can do L2
entries only matching, then it can go 80k flows.
But again, sticking to specific vendor is not recommended.


It would be possible to implement a general forward to controller policy
and then upload matching on MAC address only as a offload strategy. You
would have a different device doing the layer 3 stuff. The OpenFlow switch
just adds and removes vlan tagging based on MAC matching.

Regards


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