It's possible but not widely done, since it doesn't generally make sense from the perspective of mixing packets in different domains. I don't know anyone who does it.
On Wed, Jul 07, 2021 at 03:38:39PM +0000, Dr. Helen Chen wrote: > In the OVS documentation quoted below, it states that "physical ingress ports > (which need not be part of any switch)...". > > Is it correct to assume that the physical ingress port (of the gre tunnel) > can optionally be part of the switch that also has the gre tunnel? If so, is > there documented example configuration? (So far, I've only seen OVS > configuration where switch consists of only gre tunnel but not the physical > ingress port of the tunnel.) > > Thanks, > Helen > > -----Original Message----- > From: Ben Pfaff <b...@ovn.org> > Sent: Friday, July 2, 2021 1:46 PM > To: Dr. Shukri George Abdallah <sabdal...@mitre.org> > Cc: ovs-discuss@openvswitch.org > Subject: Re: [EXT] Re: [ovs-discuss] How to match on the physical and > logical ingress ports > > The documentation says this: > > A packet’s ingress port and physical ingress port are identical > except > for packets processed by a switch feature such as bonding or > tunneling > that makes a packet appear to arrive on a ``virtual’’ port > associated > with the bond or the tunnel. For such packets, the ingress port > is the > virtual port and the physical ingress port is, naturally, the > physical > port. Open vSwitch implements both bonding and tunneling, but its > bonding > implementation does not use virtual ports and its tunnels are > typically > not on the same OpenFlow switch as their physical ingress ports > (which > need not be part of any switch), so the ingress port and physical > ingress > port are always the same in Open vSwitch. > > For bonding, OVS in_port always matches on the physical input port. > > For tunneling, OVS doesn't pass along the physical input port but only > the virtual one. You might be able to set the packet mark in the physical > bridge and then match on it in the virtual one, though. > > On Thu, Jul 01, 2021 at 06:04:29PM +0000, Dr. Shukri George Abdallah > wrote: > > Hi > > > > Please see > https://opennetworking.org/wp-content/uploads/2014/10/openflow-switch-v1.3.5.pdf > Section 7.2.3.9 .This link uses the term "logical" > > > > Please see https://www.man7.org/linux/man-pages/man7/ovs-fields.7.html. > This link uses the term "virtual". > > > > The context is GRE tunneling > > > > Shukri > > -----Original Message----- > > From: Ben Pfaff <b...@ovn.org> > > Sent: Thursday, July 1, 2021 1:37 PM > > To: Dr. Shukri George Abdallah <sabdal...@mitre.org> > > Cc: ovs-discuss@openvswitch.org > > Subject: [EXT] Re: [ovs-discuss] How to match on the physical and > > logical ingress ports > > > > On Thu, Jul 01, 2021 at 02:51:13PM +0000, Dr. Shukri George Abdallah > wrote: > > > When the physical ingress port is different than the logical ingress > > > port, using the ovs-ofctl utility, how can one match on the physical > > > and logical ingress ports? > > > > How are you defining "physical" and "logical" ingress ports here? Out > of context, it's not clear. > > _______________________________________________ > discuss mailing list > disc...@openvswitch.org > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss _______________________________________________ discuss mailing list disc...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
