Richard A Steenbergen wrote:
So I noticed something interesting about NSR, apparently it doesn't
support BGP sessions with flowspec SAFIs enabled. Here is a sh bgp sum
It just sits and spins forever trying to bring up the BGP sync session
between the master and backup RE, and turning off inetflow negotiation
makes things work properly again. This was under 9.5 and 9.6, but I
haven't seen anything in any release notes about support for it in any
later software versions. Does anybody know if this is actually on the
roadmap to get supported, or has flowspec just completely fallen off the
radar since Pedro and Raszuk left Juniper? :)
confirmed and very, very annoying. I've filed this as a bug over a year
ago when my MBGP sessions broke in NSR on the backup RE - apparently, it
was always broken and not working properly when using flowspec, and
incorrectly displayed everything was fine (it didn't flap the sessions
then). Somewhere in 9.4 or 9.5 they started dropping the sessions on the
backup re.
Now we need to run twin loopbacks with two sessions, one for the
NSR-supported SAFIs, and another just for flowspec - otherwise NSR
obviously fails for all SAFIs. Plus the logfiles on the backup RE get
messed up by the constant BGP flapping :(
Kind regards,
Felix
--
Felix Schüren
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