Test suite contians follwoing tests:

1. VPP forwards packets via L2 xconnect with VLAN tag acrobatics a'la MEF EVC - 1-to-1, dot1q-to-dot1q

TC01: DUT1 and DUT2 with L2XC and VLAN translate-1-1 (DUT1) switch ICMPv6 between two TG links
[Top] TG-DUT1-DUT2-TG. [Enc] Eth-dot1q-IPv6-ICMPv6 on TG-DUT1 andDUT1-DUT2, Eth-IPv6-ICMPv6 on TG-DUT2.
[Cfg] On DUT1 configure L2cross-connect (L2XC) with one interface to DUT2 and one VLAN sub-interface towards TG with VLAN tag rewrite translate-1-1 method; on DUT2 configure L2 cross-connect (L2XC) with one interface to TG and one VLAN sub-interface towards DUT1 with VLAN tag rewrite pop-1 method.
[Ver] Make TG send ICMPv6 Echo Req tagegd with one Dot1q tag from one of its interfaces to another one via DUT1 and DUT2; verify that packet is received.
[Ref] IEEE 802.1q

TC02: DUT1 and DUT2 with L2XC and VLAN translate-1-1 with wrong tag used (DUT1) switch ICMPv6 between two TG links
[Top] TG-DUT1-DUT2-TG. [Enc] Eth-dot1q-IPv6-ICMPv6 on TG-DUT1 and DUT1-DUT2, Eth-IPv6-ICMPv6 on TG-DUT2.
[Cfg] On DUT1 configure L2 cross-connect (L2XC) with one interface to DUT2 and one VLAN sub-interface towards TG with VLAN tag rewrite translate-1-1 method to set tag different from tag set on VLAN sub-interface of DUT2; on DUT2 configure L2 cross-connect (L2XC) with one interface to TG and one VLAN sub-interface towards DUT1 with VLAN tag rewrite pop-1 method.
[Ver] Make TG send ICMPv6 Echo Req tagegd with one Dot1q tag from one of its interfaces to another one via DUT1 and DUT2; verify that packet is not received.
[Ref] IEEE 802.1q

2. VPP forwards packets via L2 xconnect with VLAN tag acrobatics a'la MEF EVC - 1-to-2, dot1q-to-dot1ad

TC03: DUT1 and DUT2 with L2XC and VLAN translate-1-2 (DUT1) switch ICMPv6 between two TG links
[Top] TG-DUT1-DUT2-TG.
[Enc] Eth-dot1q-IPv6-ICMPv6 on TG-DUT1, Eth-dot1ad-IPv6-ICMPv6 on DUT1-DUT2, Eth-IPv6-ICMPv6 on TG-DUT2.
[Cfg] On DUT1 configure L2 cross-connect (L2XC) with one interface to DUT2 and one VLAN sub-interface towards TG with VLAN tag rewrite translate-1-2 method; on DUT2 configure L2 cross-connect (L2XC) with one interface to TG and one Dot1ad sub-interface towards DUT1 with VLAN tag rewrite pop-2 method. [Ver] Make TG send ICMPv6 Echo Req tagegd with one Dot1q tag from one of its interfaces to another one via DUT1 and DUT2; verify that packet is received.
[Ref] IEEE 802.1q, IEEE 802.1ad

TC04: DUT1 and DUT2 with L2XC and VLAN translate-1-2 with wrong inner tag used (DUT1) switch ICMPv6 between two TG links
[Top] TG-DUT1-DUT2-TG.
[Enc] Eth-dot1q-IPv6-ICMPv6 on TG-DUT1, Eth-dot1ad-IPv6-ICMPv6 on DUT1-DUT2, Eth-IPv6-ICMPv6 on TG-DUT2.
[Cfg] On DUT1 configure L2 cross-connect (L2XC) with one interface to DUT2 and one VLAN sub-interface towards TG with VLAN tag rewrite translate-1-2 method to set inner tag different from inner tag set on Dot1ad sub-interface of DUT2; on DUT2 configure L2 cross-connect with one interface to TG and one Dot1ad sub-interface towards DUT1 with VLAN tag rewrite pop-2 method. [Ver] Make TG send ICMPv6 Echo Req tagegd with one Dot1q tag from one of its interfaces to another one via DUT1 and DUT2; verify that packet is not received.
[Ref] IEEE 802.1q, IEEE 802.1ad

TC05: DUT1 and DUT2 with L2XC and VLAN translate-1-2 with wrong outer tag used (DUT1) switch ICMPv6 between two TG links
[Top] TG-DUT1-DUT2-TG.
[Enc] Eth-dot1q-IPv6-ICMPv6 on TG-DUT1, Eth-dot1ad-IPv6-ICMPv6 on DUT1-DUT2, Eth-IPv6-ICMPv6 on TG-DUT2.
[Cfg] On DUT1 configure L2 cross-connect (L2XC) with one interface to DUT2 and one VLAN sub-interface towards TG with VLAN tag rewrite translate-1-2 method to set outer tag different from outer tag set on Dot1ad sub-interface of DUT2; on DUT2 configure L2 cross-connect with one interface to TG and one Dot1ad sub-interface towards DUT1 with VLAN tag rewrite pop-2 method. [Ver] Make TG send ICMPv6 Echo Req tagegd with one Dot1q tag from one of its interfaces to another one via DUT1 and DUT2; verify that packet is not received.
[Ref] IEEE 802.1q, IEEE 802.1ad

TC06: DUT1 and DUT2 with L2XC and VLAN translate-1-2 with wrong outer and inner tag used (DUT1) switch ICMPv6 between two TG links
[Top] TG-DUT1-DUT2-TG. [Enc] Eth-dot1q-IPv6-ICMPv6 on TG-DUT1, Eth-dot1ad-IPv6-ICMPv6 on DUT1-DUT2, Eth-IPv6-ICMPv6 on TG-DUT2.
[Cfg] On DUT1 configure L2 cross-connect (L2XC) with one interface to DUT2 and one VLAN sub-interface towards TG with VLAN tag rewrite translate-1-2 method to set outer and inner tags different from tags set on Dot1ad sub-interface of DUT2; on DUT2 configure L2 cross-connect with one interface to TG and one Dot1ad sub-interface towards DUT1 with VLAN tag rewrite pop-2 method.
[Ver] Make TG send ICMPv6 Echo Req tagegd with one Dot1q tag from one of its interfaces to another one via DUT1 and DUT2; verify that packet is not received.
[Ref] IEEE 802.1q, IEEE 802.1ad

3. VPP forwards packets via L2 xconnect with VLAN tag acrobatics a'la MEF EVC - 2-to-1, dot1ad-to-dot1q

TC07: DUT1 and DUT2 with L2XC and VLAN translate-2-1 (DUT1) switch ICMPv6 between two TG links
[Top] TG-DUT1-DUT2-TG. [Enc] Eth-dot1ad-IPv6-ICMPv6 on TG-DUT1, Eth-dot1q-IPv6-ICMPv6 on DUT1-DUT2, Eth-IPv6-ICMPv6 on TG-DUT2.
[Cfg] On DUT1 configure L2 cross-connect (L2XC) with one interface to DUT2 and one Dot1ad sub-interface towards TG with VLAN tag rewrite translate-2-1 method; on DUT2 configure L2 cross-connect (L2XC) with one interface to TG and one VLAN sub-interface towards DUT1 with VLAN tag rewrite pop-1 method.
[Ver] Make TG send ICMPv6 Echo Req tagegd with Dot1ad tags from one of its interfaces to another one via DUT1 and DUT2; verify that packet is received.
[Ref] IEEE 802.1q, IEEE 802.1ad

TC08: DUT1 and DUT2 with L2XC and VLAN translate-2-1 with wrong tag used (DUT1) switch ICMPv6 between two TG links
[Top] TG-DUT1-DUT2-TG.
[Enc] Eth-dot1ad-IPv6-ICMPv6 on TG-DUT1, Eth-dot1q-IPv6-ICMPv6 on DUT1-DUT2, Eth-IPv6-ICMPv6 on TG-DUT2.
[Cfg] On DUT1 configure L2 cross-connect (L2XC) with one interface to DUT2 and one Dot1ad sub-interface towards TG with VLAN tag rewrite translate-2-1 method to set tag different from tag set on VLAN sub-interface of DUT2; on DUT2 configure L2 cross-connect (L2XC) with one interface to TG and one VLAN sub-interface towards DUT1 with VLAN tag rewrite pop-1 method.
[Ver] Make TG send ICMPv6 Echo Req tagegd with Dot1ad tags from one of its interfaces to another one via DUT1 and DUT2; verify that packet is not received.
[Ref] IEEE 802.1q, IEEE 802.1ad

4. VPP forwards packets via L2 xconnect with VLAN tag acrobatics a'la MEF EVC - 2-to-2, dot1ad-to-dot1ad7

TC09: DUT1 and DUT2 with L2XC and VLAN translate-2-2 switch ICMPv6 between two TG links
[Top] TG-DUT1-DUT2-TG.
[Enc] Eth-dot1ad-IPv6-ICMPv6 on TG-DUT1 and on DUT1-DUT2, Eth-IPv6-ICMPv6 on TG-DUT2. [Cfg] On DUT1 configure L2 cross-connect (L2XC) with one interface to DUT2 and one Dot1ad sub-interface towards TG with VLAN tag rewrite translate-2-2 method; on DUT2 configure L2 cross-connect (L2XC) with one interface to TG and one Dot1ad sub-interface towards DUT1 with VLAN tag rewrite pop-1 tagegd with Dot1ad tags from one of its interfaces to another one method.
[Ver] Make TG send ICMPv6 Echo Req via DUT1 and DUT2; verify that packet is received.
[Ref] IEEE 802.1ad

TC10: DUT1 and DUT2 with L2XC and VLAN translate-2-2 with wrong inner tag used (DUT1) switch ICMPv6 between two TG links
[Top] TG-DUT1-DUT2-TG.
[Enc] Eth-dot1ad-IPv6-ICMPv6 on TG-DUT1 and on DUT1-DUT2, Eth-IPv6-ICMPv6 on TG-DUT2. [Cfg] On DUT1 configure L2 cross-connect (L2XC) with one interface to DUT2 and one Dot1ad sub-interface towards TG with VLAN tag rewrite translate-2-2 method to set inner tag different from inner tag set on Dot1ad sub-interface of DUT2; on DUT2 configure L2 cross-connect (L2XC) with one interface to TG and one Dot1ad sub-interface towards DUT1 with VLAN tag rewrite pop-1 tagegd with Dot1ad tags from one of its interfaces to another one method.
[Ver] Make TG send ICMPv6 Echo Req via DUT1 and DUT2; verify that packet is not received.
[Ref] IEEE 802.1ad

TC11: DUT1 and DUT2 with L2XC and VLAN translate-2-2 with wrong outer tag used (DUT1) switch ICMPv6 between two TG links
[Top] TG-DUT1-DUT2-TG.
[Enc] Eth-dot1ad-IPv6-ICMPv6 on TG-DUT1 and on DUT1-DUT2, Eth-IPv6-ICMPv6 on TG-DUT2.
[Cfg] On DUT1 configure L2 cross-connect (L2XC) with one interface to DUT2 and one Dot1ad sub-interface towards TG with VLAN tag rewrite translate-2-2 method to set outer tag different from outer tag set on Dot1ad sub-interface of DUT2; on DUT2 configure L2 cross-connect (L2XC) with one interface to TG and one Dot1ad sub-interface towards DUT1 with VLAN tag rewrite pop-1 tagegd with Dot1ad tags from one of its interfaces to another one method.
[Ver] Make TG send ICMPv6 Echo Req via DUT1 and DUT2; verify that packet is not received.
[Ref] IEEE 802.1ad

TC12: DUT1 and DUT2 with L2XC and VLAN translate-2-2 with wrong outer and inner tags used (DUT1) switch ICMPv6 between two TG links
[Top] TG-DUT1-DUT2-TG.
[Enc] Eth-dot1ad-IPv6-ICMPv6 on TG-DUT1 and on DUT1-DUT2, Eth-IPv6-ICMPv6 on TG-DUT2.
[Cfg] On DUT1 configure L2 cross-connect (L2XC) with one interface to DUT2 and one Dot1ad sub-interface towards TG with VLAN tag rewrite translate-2-2 method to set tags different from tags set on Dot1ad sub-interface of DUT2; on DUT2 configure L2 cross-connect (L2XC) with one interface to TG and one Dot1ad sub-interface towards DUT1 with VLAN tag rewrite pop-1 tagegd with Dot1ad tags from one of its interfaces to another one method.
[Ver] Make TG send ICMPv6 Echo Req via DUT1 and DUT2; verify that packet is not received.
[Ref] IEEE 802.1ad