Pim,


In the log I see IPv6  link-local multicast traffic.  Why is end to end 
multicast needed for this setup?



Hemant



From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of Pim van Pelt
Sent: Monday, March 15, 2021 5:01 PM
To: Mohsen Meamarian <meamarian.moh...@gmail.com>
Cc: vpp-dev@lists.fd.io
Subject: Re: [vpp-dev] OSPF3 packets in router and netlink plugins



Hoi Mohseen,



It was my understanding that multicast is not implemented end to end for the 
router plugin. There's new work ongoing in the LinuxCP plugin which currently 
supports creating the interfaces in a linux namespace, and all input and 
output features work in this plugin. However, the code for netlink has been 
proposed and is under review but hasn't been finished yet.

I have confirmed FRR (and Bird) do work with the new LinuxCP for both IPv4 and 
IPv6. Personally, I think investing in the old plugins is not a good time 
investment at the moment.



groet,

Pim



On Mon, Mar 15, 2021 at 8:58 PM Mohsen Meamarian <meamarian.moh...@gmail.com 
<mailto:meamarian.moh...@gmail.com> > wrote:

Hello,

I'm trying to setup a BGP router using VPP with the router and netlink plugins 
and frrouting.org <http://frrouting.org> .
A lot of things are already working, but it looks like OSPF IPv6 packets are 
not being received by the OSPF6 daemon in FRR.
On my old BGP routers I see the following in a tcpdump:


17:14:36.442928 IP6 fe80::230:48ff:fe7d:77ce > ff02::5: OSPFv3, Hello, length 
44

17:14:36.443458 IP6 fe80::230:48ff:fe33:784e > ff02::5: OSPFv3, Hello, length 
44

17:14:39.123074 IP6 fe80::225:90ff:fee3:da3e > ff02::5: OSPFv3, Hello, length 
36



fe80::225:90ff:fee3:da3e is my new router with VPP and FRR.

On my new router I only see:

15:17:04.148969 IP6 fe80::225:90ff:fee3:da3e > ff02::5: OSPFv3, Hello, length 
36


Has anyone done anything with this before?










-- 

Pim van Pelt <p...@ipng.nl <mailto:p...@ipng.nl> >
PBVP1-RIPE - http://www.ipng.nl/

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