On Thu, Mar 10, 2016 at 05:24:43PM -0800, Ben Warren wrote: > Thanks Ben > > On Mar 10, 2016, at 11:05 AM, Ben Pfaff <b...@ovn.org> wrote: > > > > On Thu, Mar 10, 2016 at 10:51:35AM -0800, Ben Warren wrote: > >> Hi, > >> > >> I’m wondering how to strip VLAN tags when using OpenFlow version 1.1 or > >> greater messaging. The “strip_vlan” action in “ovs-ofctl” seems to be > >> version 1.0-only. The “parse_op_flow_mod_str()” function returns 0xa, > >> which = (OFPUTIL_P_OF10_STD_TID | OFPUTIL_P_OF10_NXM_TID). I’ve tried the > >> following: > >> > >> • Use “pop_vlan” instead of “strip_vlan”, but they seem to be aliased > >> • Use “mod_vlan_vid=0”, but that still sends 802.1Q frames > >> • Use “mod_vlan_vid=-1” and “mod_vlan_vid=0xffff”, but get syntax > >> errors > > > > Make sure you match on the presence of a VLAN tag; OF1.1+ requires this. > > The “ovs-ofctl” man page says to set “dl_vlan=0xffff” to match untagged > frames, but there’s no mention of a wildcard for “all tagged frames”. Am I > reading this right? I’d like to unconditionally strip off all tags if > possible.
You can use "vlan_tci=0x1000/0x1000" to match any packet with an 802.1Q header. _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
