Hi,
On Thu, 2019-02-14 at 07:01 -0500, Brian J. Murrell wrote: > On Thu, 2019-02-14 at 07:49 +0100, Thomas Haller via networkmanager- > > > It's not clear to me what you mean. > > > > Do you mean, that the many RA received at NetworkManager cause > > NetworkManager to send too frequent RS (in turn, repeating a > > vicious > > cycle)? > > That's exactly how I understand the description from the author of > the > software on the router that is sending the RAs, yes: > > https://github.com/openwrt/odhcpd/issues/122#issuecomment-459263681 OK, makes sense. > > Also, NM only sends RS based on timeouts, not based on RAs that it > > receives [1]. > > Assuming no bugs, of course. Such as could the receiving of the > multiple RAs perhaps be causing the timeout to get reset, etc.? > > How/when does the logging in send_rs_timeout: > > https://cgit.freedesktop.org/NetworkManager/NetworkManager/tree/src/ndisc/nm-ndisc.c?id=2c881b8064e1cb5b227e5a3c61abfe95c6ddd05a#n711 > > supposed to get logged? In 1.10.2-16.el7_5, that code looks pretty similar. NetworkManager should either log "router solicitation sent" or "failure sending router solicitation: ... for every RS that gets send. Possibly the logging message was suppressed by journald's ratelimiting (as the journal would tell you, if that's the case). Make sure to disable rate-limiting, see [1]. [1] https://cgit.freedesktop.org/NetworkManager/NetworkManager/tree/contrib/fedora/rpm/NetworkManager.conf#n28
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