On 10/1/18 2:43 AM, Mike Manning wrote: > Services currently have to be VRF-aware if they are using an unbound > socket. One cannot have multiple service instances running in the > default and other VRFs for services that are not VRF-aware and listen > on an unbound socket. This is because there is no way of isolating > packets received in the default VRF from those arriving in other VRFs. > > This series provides this isolation subject to the existing kernel > parameter net.ipv4.tcp_l3mdev_accept not being set, given that this is > documented as allowing a single service instance to work across all > VRF domains. The functionality applies to UDP & TCP services, for IPv4 > and IPv6, in particular adding VRF table handling for IPv6 multicast. >
I see 1 failure caused by this patch set: IPv6/UDP send to a peer's linklocal address with no server on port in the peer. An ICMP unreachable is expected since there is no server and it is not received. Happens with or without net.ipv4.udp_l3mdev_accept set.