hi all,
I am a new comer for OpenFlow, and now studying VLAN related operation
based on OpenFlow spec 1.4.0. and I got a little confusion about the VLAN
PUSH action. according to the spec, it will use the following struct
struct ofp_action_push {
uint16_t type; /* OFPAT_PUSH_VLAN/MPLS/PBB. */
uint16_t len; /* Length is 8. */
uint16_t ethertype; /* Ethertype */
uint8_t pad[2];
};
and here only the ethertype is indicated. so how to control the PCP
and VID value when pushing a new VLAN tag?
can anybody explain it for me? in addition, more words on QinQ-based
matching are appreciated. thanks in advance.
Best Regards
wang
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