[Sidrops] rpki rp frequency

Randy Bush <randy@psg.com> Sat, 11 April 2020 20:04 UTC

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From: Randy Bush <randy@psg.com>
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Subject: [Sidrops] rpki rp frequency
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how often do RPs fetch?  how often to routers fetch from RPs?

an experiment announces constantly from 47065

a CA has a ROA for { 47065 } from 12:00 to 04:00 UCT and
for some other, non-announcing i.e. incorrect, AS from 04:00 to 12:00.

it's 19:50 UTC, and a seattle router shows

    r0.sea#sh ip bg rpki table | i ^147.28.241      24      47065      0

i.e. it sees the ROA for the announcing prefix

but the received bgp route to is does not reach that
router maybe because transits dropped as invalid?  2914 is the upstream
for that router.

but rv shows

    route-views>show ip bgp
    BGP routing table entry for, version 523202351
    Paths: (12 available, best #12, table default)
      Not advertised to any peer
      Refresh Epoch 2
      3303 47065 from (
	  Origin IGP, localpref 100, valid, external
	  Community: 3303:1004 3303:1006 3303:1030 3303:3051 47065:332
	  path 7F57D930ED10 RPKI State valid
	  rx pathid: 0, tx pathid: 0

and more.  but with no paths through 2914.

how do we diagnose such things?