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. thanks, Ben
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