Ole, Waaay back in April, we had a small exchange here on the topic of some MAP-T/E behavior. Bottom line was some functionality needed to be homogenized. We wrote:
On Tue, Apr 16, 2019 at 2:35 AM Ole Troan <otr...@employees.org> wrote: > Hi Jon, > > Apologies for the delay in answering. Swapped out all my knowledge of MAP > to disk. ;-) > > > We are working on some MAP-E and MAP-T testing, and we have > > a few questions. Some of the existing VPP documentation about > > MAP-E and MAP-T is a bit loose. > > > > Should the use of a pre-resolved forwarding address be applicable > > to both MAP-E and MAP-T? Or is that only a MAP-E thing? Specifically, > > we see in the test/test_map.py test that it is only tested in the MAP-E > case. > > Is it missing from the MAP-T tests due to oversight, or is that > technically correct? > > -E and -T has evolved a little differently, which accounts for the > differences. > Pre-resolved next-hops is applicable for both. Should we do a shared todo > list for MAP items? > Perhaps an epic JIRA? > > > The MAP-T test also "enables map" on both interfaces in that same file. > > Is it required to do so? For only MAP-T? > > I would think so. Isn’t one the IPv4 side and the other interface the IPv6 > side? > In both cases packets are picked out from the IP feature path. > > > Finally, there is no test that introduces a rule. I feel like I read > somewhere > > that MAP-T required at least one rule? Or is some combination of PSID > > and EA bits sufficient alone? > > Rules was developed for the LW46 1:1 case. As per subscriber rules as > opposed to algorithmic mapping for many users within a domain. > I think rules can be useful also in a MAP-T case. We should homogenize > that. > > Patches welcome! > > Best regards, > Ole ... and we're back! Months pass, seasons change, and the code has, what?, been fixed? ignored? silently left to bit-rot? Where are we today? Any chance there has been progress here? Thanks, jdl
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