Hi Neale,
Was the mfib present in 1704? If not, maybe I can try router plugin with
the recent fixes on 1704?
Thanks,
Michael.
On Wed, Oct 11, 2017 at 4:59 AM, Neale Ranns (nranns) <nra...@cisco.com>
wrote:
> Hi Michael,
>
>
>
> It doesn’t work in 17.07 because we introduced the IP-multicast FIB
> (mfib). Your 224.0.0.0/24 route now needs to be in the mfib not the
> unicast FIB. Please try the mfib APIs I mentioned in my previous mail.
>
>
>
> Thanks,
>
> Neale
>
>
>
>
>
>
>
> *From: *Michael Borokhovich <michael...@gmail.com>
> *Date: *Wednesday, 11 October 2017 at 05:34
> *To: *"Neale Ranns (nranns)" <nra...@cisco.com>
> *Cc: *"Shaw, Jeffrey B" <jeffrey.b.s...@intel.com>, "vppsb-...@lists.fd.io"
> <vppsb-...@lists.fd.io>, vpp-dev <vpp-dev@lists.fd.io>
> *Subject: *Re: [vpp-dev] [vppsb-dev] Router plugin with VPP 1707 -
> incoming OSPF Hello packets are dropped by VPP
>
>
>
> Hi Neale,
>
>
>
> In the router plugin, the code below ("vppsb/router/router/tap_inject.c")
> should make sure that incoming multicast packets are forwarded from VPP to
> Linux. However, it does not work if "FIN_VERSION" is not 1 (i.e., it works
> for 1609 but not for 1707). Do you have any idea why?
>
>
>
> Thanks!
>
> Michael.
>
>
>
> Hi Michael,
>
> Both of;
> vppctl ip mroute 224.0.0.0/8 via GigabitEthernet0/4/0 Accept
> vppctl ip mroute 224.0.0.0/8 via local Forward
> the first says you are accepting (i.e RPF checks on) GigE0/4/0 the second
> says you are ‘forwarding/replicating’ to VPP’s local IP stack.
>
> The mfib equivalent of the fib API you were using is;
> extern fib_node_index_t mfib_table_entry_special_add(u32 fib_index,
> const mfib_prefix_t
> *prefix,
> mfib_source_t source,
> mfib_entry_flags_t
> flags,
> index_t rep_dpo);
>
> if you include the flag MFIB_ENTRY_ACCEPT_ALL_ITF then mfib will accept
> from any incoming interface, hence you won’t need an explicit ‘Accept’
> rule. But this API is strict about the last argument ‘dpo’ being a
> replicate DPO type. See the mfib_test.c examples on how to construct one
> for use with the API.
>
>
>
>
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