On Thu, Apr 13, 2017 at 10:55 PM, Joe Stringer <[email protected]> wrote:
> On 13 April 2017 at 08:58, f 62 <[email protected]> wrote: > > Hi , > > > > OVS is dropping packet when packet is output to multiple VXLAN > tunnel. I > > see following error: > > > > 2017-04-13T15:49:30.112Z|03577|dpif(handler15)|WARN|system@ovs-system: > > failed to put[create] (Invalid argument) > > ufid:7e404481-148c-4cee-9495-237bdc62383d > > recirc_id(0),dp_hash(0/0),skb_priority(0/0),in_port(10),skb_ > mark(0/0),ct_state(0/0),ct_zone(0/0),ct_mark(0/0),ct_ > label(0/0),eth(src=fa:16:3e:c0:5a:48,dst=fa:16:3e:4c:54: > 07),eth_type(0x0800),ipv4(src=51.0.0.8,dst=51.0.0.5,proto=6, > tos=0/0xfc,ttl=64,frag=no),tcp(src=41564,dst=80),tcp_flags(0/0), > > actions:set(eth(src=fa:16:3e:c0:5a:48,dst=fa:16:3e:db:81: > 44)),set(tunnel(tun_id=0x2,src=192.168.2.91,dst=192.168. > 2.177,ttl=64,flags(df|key))),push_mpls(label=511,tc=0,ttl= > 255,bos=1,eth_type=0x8847),8,set(tunnel(tun_id=0x2,src=192. > 168.2.91,dst=192.168.2.141,ttl=64,flags(df|key))),8,pop_ > mpls(eth_type=0x800),recirc(0x7) > > 2017-04-13T15:49:30.112Z|03578|dpif(handler15)|WARN|system@ovs-system: > > execute > > set(eth(src=fa:16:3e:c0:5a:48,dst=fa:16:3e:db:81:44)),set( > tunnel(tun_id=0x2,src=192.168.2.91,dst=192.168.2.177,ttl=64, > flags(df|key))),push_mpls(label=511,tc=0,ttl=255,bos=1, > eth_type=0x8847),8,set(tunnel(tun_id=0x2,src=192.168.2.91, > dst=192.168.2.141,ttl=64,flags(df|key))),8,pop_mpls( > eth_type=0x800),recirc(0x7) > > failed (Invalid argument) on packet > > Hmm, once the push_mpls() happens, you should be able to output fine > but I'm not sure if the subsequent set(tunnel(...)) would know how to > change the tunnel attributes since it's now an MPLS packet. Maybe the > userspace translation code needs to be taught to be a bit smarter to > generate better actions for this case, eg something more like: > > set(eth(...)),set(tunnel(...)),push_mpls(...),output(...), > pop_mpls(...),set(tunnel(...)),push_mpls(...),output(...),... >
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