Re: Multicast routing: wrong output interface selected unless VRF default route is added

2020-06-23 Thread David Ahern
On 6/23/20 11:38 AM, Ido Schimmel wrote: >> >> My questions are: >> 1. is fib_lookup supposed to work with multicast daddr? If so, has >> multicast routing been working for the wrong reason? yes; it is a quirk with Linux routing. see the code after fib_lookup in ip_route_output_key_hash_rcu. perf

Re: Multicast routing: wrong output interface selected unless VRF default route is added

2020-06-23 Thread Ido Schimmel
On Mon, Jun 22, 2020 at 09:19:10AM +1000, Qiwei Wen wrote: > Hi all, > > While experimenting with FRRouting, I observed the following > behaviour. I'm not sure whether it's intended or not. > > In a virtual machine set up as a multicast router, I added two > networks, created a VRF, and enslaved

Multicast routing: wrong output interface selected unless VRF default route is added

2020-06-21 Thread Qiwei Wen
Hi all, While experimenting with FRRouting, I observed the following behaviour. I'm not sure whether it's intended or not. In a virtual machine set up as a multicast router, I added two networks, created a VRF, and enslaved interfaces to both networks to the VRF, like so: ip link add blue type v