[FROG] FreeBSD 12.1 / FRR 7.4, error inserting v6 routes into zebra/kernel

[Donald Sharp]

While I'd like to get to the bottom of the issue, as a workaround has:

route-map FOO permit 10
  ipv6 next-hop prefer-global
!

router bgp XX
  address-family ipv6 uni
     neighbor XXXX route-map FOO in

been tried yet?

Can we see the output of `debug zebra rib detail` and `debug zebra kernel`?

I'd like to have a bit more surrounding data

doanld

On Mon, Sep 28, 2020 at 3:43 PM Muenz, Michael <m.muenz at spam-fetish.org> wrote:
>
> Hi,
>
>
> I'm maintaining the FRR plugin for OPNsense Firewall, currently based on
> FreeBSD/HardenedBSD 12.1 with FRR 7.4.
>
> I received a report from a user that a peering via v6 the bgpd
> successfully receives the v6 routes which are also displayed in sh bgp
> ipv6, but they wont get into the routing table and in frr.log there's:
>
> kernel_rtm: X:X:X:X rtm_write() unexpectedly returned -2 for command RTM_ADD
>
> Bit more details and screenshots are also here available:
>
> https://twitter.com/TallWireless/status/1309489192502734850
>
>
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