From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 90E525A5E for ; Tue, 16 Jun 2015 04:45:11 +0200 (CEST) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.intel.com with ESMTP; 15 Jun 2015 19:45:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,622,1427785200"; d="scan'208";a="508872965" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by FMSMGA003.fm.intel.com with ESMTP; 15 Jun 2015 19:45:09 -0700 Received: from shecgisg003.sh.intel.com (shecgisg003.sh.intel.com [10.239.29.90]) by shvmail01.sh.intel.com with ESMTP id t5G2j7Lf019922; Tue, 16 Jun 2015 10:45:07 +0800 Received: from shecgisg003.sh.intel.com (localhost [127.0.0.1]) by shecgisg003.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id t5G2j5ai013644; Tue, 16 Jun 2015 10:45:07 +0800 Received: (from huilongx@localhost) by shecgisg003.sh.intel.com (8.13.6/8.13.6/Submit) id t5G2j5AQ013640; Tue, 16 Jun 2015 10:45:05 +0800 From: "huilong,xu" To: dts@dpdk.org Date: Tue, 16 Jun 2015 10:44:59 +0800 Message-Id: <1434422701-13569-2-git-send-email-huilongx.xu@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1434422701-13569-1-git-send-email-huilongx.xu@intel.com> References: <1434422701-13569-1-git-send-email-huilongx.xu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [dts] =?utf-8?q?_=5BPATCH_V2_2/4=5D_add_nvgre_test_plan?= X-BeenThere: dts@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: test suite reviews and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Jun 2015 02:45:12 -0000 From: huilong xu Signed-off-by: huilong xu --- test_plans/nvgre_test_plan.rst | 389 ++++++++++++++++++++++++++++++++++++++++ 1 files changed, 389 insertions(+), 0 deletions(-) create mode 100644 test_plans/nvgre_test_plan.rst diff --git a/test_plans/nvgre_test_plan.rst b/test_plans/nvgre_test_plan.rst new file mode 100644 index 0000000..50993c1 --- /dev/null +++ b/test_plans/nvgre_test_plan.rst @@ -0,0 +1,389 @@ +.. Copyright (c) <2015>, Intel Corporation + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + - Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPR ESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. + +================ + Fortville NVGRE +================ +Cloud providers build virtual network overlays over existing network +infrastructure that provide tenant isolation and scaling. Tunneling +layers added to the packets carry the virtual networking frames over +existing Layer 2 and IP networks. Conceptually, this is similar to +creating virtual private networks over the Internet. Fortville will +process these tunneling layers by the hardware. + +This document provides test plan for Fortville NVGRE packet detecting, +checksum computing and filtering. + +Prerequisites +============= +1x Intel® X710 (Fortville) NICs (2x 40GbE full duplex optical ports per NIC) +plugged into the available PCIe Gen3 8-lane slot. + +1x Intel® XL710-DA4 (Eagle Fountain) (1x 10GbE full duplex optical ports per NIC) +plugged into the avaiable PCIe Gen3 8-lane slot. + +DUT board must be two sockets system and each cpu have more than 8 lcores. + +Test Case: NVGRE ipv4 packet detect +=================================== +Start testpmd with tunneling packet type to NVGRE:: + + testpmd -c 0xffff -n 4 -- -i --rxq=4 --txq=4 --nb-cores=8 --nb-ports=2 + +Set rxonly packet forwarding mode and enable verbose log:: + + set fwd rxonly + set verbose 1 + +Send packet as table listed and check dumped packet type the same as column +"Rx packet type". + ++-----------+-----------+----------+---------+----------|-----------+----------+-----------+---------------------+-----------+ +| Outer L2 |Outer Vlan | Outer L3 | NVGRE | Inner L2 |Inner Vlan | Inner L3 | Inner L4 | Rx packet type | Pkt Error | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv4 | None | None | None | None | None | PKT_RX_IPV4_HDR | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv4 | Yes | Yes | None | Ipv4 | Udp | PKT_RX_IPV4_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv4 | Yes | Yes | None | Ipv4 | Tcp | PKT_RX_IPV4_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv4 | Yes | Yes | None | Ipv4 | Sctp | PKT_RX_IPV4_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | Yes | Ipv4 | Yes | Yes | None | Ipv4 | Udp | PKT_RX_IPV4_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | Yes | Ipv4 | Yes | Yes | Yes | Ipv4 | Udp | PKT_RX_IPV4_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ + + + +Test Case: NVGRE ipv6 packet detect +=================================== +Start testpmd with tunneling packet type to NVGRE:: + + testpmd -c 0xffff -n 2 -- -i --rxq=4 --txq=4 --nb-cores=8 --nb-ports=2 + +Set rxonly packet forwarding mode and enable verbose log:: + + set fwd rxonly + set verbose 1 + +Send ipv6 packet as table listed and check dumped packet type the same as +column "Rx packet type". + ++-----------+-----------+----------+---------+----------|-----------+----------+-----------+---------------------+-----------+ +| Outer L2 |Outer Vlan | Outer L3 | NVGRE | Inner L2 |Inner Vlan | Inner L3 | Inner L4 | Rx packet type | Pkt Error | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv6 | None | None | None | None | None | PKT_RX_IPV6_HDR | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv6 | Yes | Yes | None | Ipv6 | Udp | PKT_RX_IPV6_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv6 | Yes | Yes | None | Ipv6 | Tcp | PKT_RX_IPV6_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv6 | Yes | Yes | None | Ipv6 | Sctp | PKT_RX_IPV6_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | Yes | Ipv6 | Yes | Yes | None | Ipv6 | Udp | PKT_RX_IPV6_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | Yes | Ipv6 | Yes | Yes | Yes | Ipv6 | Udp | PKT_RX_IPV6_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ + +Test Case: NVGRE IPv4 Filter +======================== +This test adds NVGRE IPv4 filters to the hardware, and then checks whether +sent packets match those filters. In order to this, the packet should first +be sent from ``Scapy`` before the filter is created, to verify that it is not +matched by a NVGRE IPv4 filter. The filter is then added from the ``testpmd`` +command line and the packet is sent again. + +Start testpmd:: + + testpmd -c 0xffff -n 4 -- -i --disable-rss --rxq=4 --txq=4 --nb-cores=8 --nb-ports=2 + +Set rxonly packet forwarding mode and enable verbose log:: + + set fwd rxonly + set verbose 1 + +Add one new NVGRE filter as table listed first:: + tunnel_filter add port_id outer_mac inner_mac ip_addr inner_vlan + tunnel_type(vxlan|nvgre) filter_type(imac-ivlan|imac-ivlan-tenid|imac-tenid|imac + |omac-imac-tenid|iip) tenant_id queue_num + +For example: + tunnel_filter add 0 11:22:33:44:55:66 00:00:20:00:00:01 192.168.2.2 1 + NVGRE imac 1 1 + +Then send one packet and check packet was forwarded into right queue. + ++-----------+-----------+----------+---------+----------|-----------+----------+-----------+---------------------+-----------+ +| Outer L2 |Outer Vlan | Outer L3 | NVGRE | Inner L2 |Inner Vlan | Inner L3 | Inner L4 | Rx packet type | Pkt Error | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv4 | None | None | None | None | None | PKT_RX_IPV4_HDR | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv4 | Yes | Yes | None | Ipv4 | Udp | PKT_RX_IPV4_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv4 | Yes | Yes | None | Ipv4 | Tcp | PKT_RX_IPV4_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv4 | Yes | Yes | None | Ipv4 | Sctp | PKT_RX_IPV4_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | Yes | Ipv4 | Yes | Yes | None | Ipv4 | Udp | PKT_RX_IPV4_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | Yes | Ipv4 | Yes | Yes | Yes | Ipv4 | Udp | PKT_RX_IPV4_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ + +Remove NVGRE filter which has been added. Then send one packet and check +packet was received in queue 0. + + +Test Case: NVGRE IPv4 Filter invalid +======================== +This test adds NVGRE IPv6 filters by invalid command, and then checks command +result. + +Start testpmd:: + + testpmd -c 0xffff -n 4 -- -i --disable-rss --rxq=4 --txq=4 --nb-cores=8 --nb-ports=2 + +Set rxonly packet forwarding mode and enable verbose log:: + + set fwd rxonly + set verbose 1 + +Add NVGRE filter as table listed first:: + tunnel_filter add port_id outer_mac inner_mac ip_addr inner_vlan + tunnel_type(vxlan|nvgre) filter_type(imac-ivlan|imac-ivlan-tenid|imac-tenid|imac + |omac-imac-tenid|iip) tenant_id queue_num + +Validte the filter command with wrong parameter:: + +Add Clould filter with invalid Mac address "00:00:00:00:01" will be failed. + +Add Clould filter with invalid ip address "192.168.1.256" will be failed. + +Add Clould filter with invalid vlan "4097" will be failed. + +Add Clould filter with invalid vni "16777216" will be failed. + +Add Clould filter with invalid queue id "64" will be failed. + +Test Case: NVGRE IPv6 Filter +======================== +This test adds NVGRE IPv6 filters to the hardware, and then checks whether +sent packets match those filters. In order to this, the packet should first +be sent from ``Scapy`` before the filter is created, to verify that it is not +matched by a NVGRE IPv6 filter. The filter is then added from the ``testpmd`` +command line and the packet is sent again. + +Start testpmd:: + + testpmd -c 0xffff -n 4 -- -i --disable-rss --rxq=4 --txq=4 --nb-cores=8 --nb-ports=2 + +Set rxonly packet forwarding mode and enable verbose log:: + + set fwd rxonly + set verbose 1 + +Add NVGRE filter as table listed first:: + tunnel_filter add port_id outer_mac inner_mac ip_addr inner_vlan + tunnel_type(vxlan|nvgre) filter_type(imac-ivlan|imac-ivlan-tenid|imac-tenid|imac + |omac-imac-tenid|iip) tenant_id queue_num + +For example: + tunnel_filter add 0 11:22:33:44:55:66 00:00:20:00:00:01 192.168.2.2 1 + NVGRE imac 1 1 + +Then send one packet and check packet was forwarded into right queue. + ++-----------+-----------+----------+---------+----------|-----------+----------+-----------+---------------------+-----------+ +| Outer L2 |Outer Vlan | Outer L3 | NVGRE | Inner L2 |Inner Vlan | Inner L3 | Inner L4 | Rx packet type | Pkt Error | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv6 | None | None | None | None | None | PKT_RX_IPV6_HDR | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv6 | Yes | Yes | None | Ipv6 | Udp | PKT_RX_IPV6_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv6 | Yes | Yes | None | Ipv6 | Tcp | PKT_RX_IPV6_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv6 | Yes | Yes | None | Ipv6 | Sctp | PKT_RX_IPV6_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | Yes | Ipv6 | Yes | Yes | None | Ipv6 | Udp | PKT_RX_IPV6_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | Yes | Ipv6 | Yes | Yes | Yes | Ipv6 | Udp | PKT_RX_IPV6_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ + +Remove NVGRE filter which has been added. Then send one packet and check +packet was received in queue 0. + +Test Case: NVGRE ipv4 checksum offload +====================================== +This test validates NVGRE IPv4 checksum by the hardware. In order to this, the packet should first +be sent from ``Scapy`` with wrong checksum(0x00) value. Then the pmd forward package while checksum +is modified on DUT tx port by hardware. To verify it, tcpdump captures the +forwarded packet and checks the forwarded packet checksum correct or not. + +Start testpmd with tunneling packet type to NVGRE:: + + testpmd -c 0xffff -n 4 -- -i --rxq=4 --txq=4 --nb-cores=8 --nb-ports=2 --enable-rx-cksum + +Set csum packet forwarding mode and enable verbose log:: + + set fwd csum + csum set ip hw + csum set udp hw + csum set tcp hw + csum set sctp hw + csum set nvgre hw + set verbose 1 + +Send packet with invalid checksum first. Then check forwarded packet checksum +correct or not. + ++-----------+-----------+----------+---------+----------|-----------+----------+-----------+---------------------+-----------+ +| Outer L2 |Outer Vlan | Outer L3 | NVGRE | Inner L2 |Inner Vlan | Inner L3 | Inner L4 | Rx packet type | Pkt Error | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv4 | None | None | None | None | None | PKT_RX_IPV4_HDR | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv4(Bad)| Yes | Yes | None | Ipv4 | Udp | PKT_RX_IPV4_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv4 | Yes | Yes | None | Ipv4(Bad)| Tcp | PKT_RX_IPV4_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv4(Bad)| Yes | Yes | None | Ipv4(Bad)| Sctp | PKT_RX_IPV4_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | Yes | Ipv4(Bad)| Yes | Yes | None | Ipv4 | Udp | PKT_RX_IPV4_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | Yes | Ipv4 | Yes | Yes | Yes | Ipv4(Bad)| Udp | PKT_RX_IPV4_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ + +Test Case: NVGRE ipv6 checksum offload +====================================== +This test validates NVGRE IPv6 checksum by the hardware. In order to this, the packet should first +be sent from ``Scapy`` with wrong checksum(0x00) value. Then the pmd forward package while checksum +is modified on DUT tx port by hardware. To verify it, tcpdump captures the +forwarded packet and checks the forwarded packet checksum correct or not. + +Start testpmd with tunneling packet type:: + + testpmd -c ffff -n 4 -- -i --rxq=4 --txq=4 --nb-cores=8 --nb-ports=2 --enable-rx-cksum + +Set csum packet forwarding mode and enable verbose log:: + + set fwd csum + csum set ip hw + csum set udp hw + csum set tcp hw + csum set sctp hw + csum set nvgre hw + set verbose 1 + +Send packet with invalid checksum first. Then check forwarded packet checksum +correct or not. + ++-----------+-----------+----------+---------+----------|-----------+----------+-----------+---------------------+-----------+ +| Outer L2 |Outer Vlan | Outer L3 | NVGRE | Inner L2 |Inner Vlan | Inner L3 | Inner L4 | Rx packet type | Pkt Error | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv6 | None | None | None | None | None | PKT_RX_IPV6_HDR | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv6(Bad)| Yes | Yes | None | Ipv6 | Udp | PKT_RX_IPV6_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv6 | Yes | Yes | None | Ipv6(Bad)| Tcp | PKT_RX_IPV6_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | None | Ipv6(Bad)| Yes | Yes | None | Ipv6(Bad)| Sctp | PKT_RX_IPV6_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | Yes | Ipv6(Bad)| Yes | Yes | None | Ipv6 | Udp | PKT_RX_IPV6_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ +| Yes | Yes | Ipv6 | Yes | Yes | Yes | Ipv6(Bad)| Udp | PKT_RX_IPV6_HDR_EXT | None | ++-----------+-----------+----------+---------+----------+-----------+----------+-----------+---------------------+-----------+ + + + +Test Case: NVGRE Checksum Offload Performance Benchmarking +========================================================== + +The throughput is measured for each of these cases for NVGRE tx checksum +offload of "all by software", "inner l3 offload by hardware", "inner l4 +offload by hardware", "inner l3&l4 offload by hardware", "outer l3 offload +by hardware", "outer l4 offload by hardware", "outer l3&l4 offload by +hardware", "all by hardware". + +The results are printed in the following table: + ++----------------+---------------+------------+---------------+------------+---------------+------------+ +| Calculate Type | 1S/1C/1T Mpps | % linerate | 1S/1C/2T Mpps | % linerate | 1S/2C/1T Mpps | % linerate | ++================+===============+============+===============+============+===============+============+ +| SOFTWARE ALL | | | | | | | ++----------------+---------------+------------+---------------+------------+---------------+------------+ +| HW OUTER L3 | | | | | | | ++----------------+---------------+------------+---------------+------------+---------------+------------+ +| HW OUTER L4 | | | | | | | ++----------------+---------------+------------+---------------+------------+---------------+------------+ +| HW OUTER L3&L4 | | | | | | | ++----------------+---------------+------------+---------------+------------+---------------+------------+ +| HW INNER L3 | | | | | | | ++----------------+---------------+------------+---------------+------------+---------------+------------+ +| HW INNER L4 | | | | | | | ++----------------+---------------+------------+---------------+------------+---------------+------------+ +| HW INNER L3&L4 | | | | | | | ++----------------+---------------+------------+---------------+------------+---------------+------------+ +| HARDWARE ALL | | | | | | | ++----------------+---------------+------------+---------------+------------+---------------+------------+ + +Test Case: NVGRE Tunnel filter Performance Benchmarking +======================================================= +The throughput is measured for different NVGRE tunnel filter types. +Queue single mean there's only one flow and forwarded to the first queue. +Queue multi mean there're two flows and configure to different queues. + ++--------+------------------+--------+--------+------------+ +| Packet | Filter | Queue | Mpps | % linerate | ++========+==================+========+========+============+ +| Normal | None | Single | | | ++--------+------------------+--------+--------+------------+ +| NVGRE | None | Single | | | ++--------+------------------+--------+--------+------------+ +| NVGRE | imac-ivlan | Single | | | ++--------+------------------+--------+--------+------------+ +| NVGRE | imac-ivlan-tenid | Single | | | ++--------+------------------+--------+--------+------------+ +| NVGRE | imac-tenid | Single | | | ++--------+------------------+--------+--------+------------+ +| NVGRE | imac | Single | | | ++--------+------------------+--------+--------+------------+ +| NVGRE | omac-imac-tenid | Single | | | ++--------+------------------+--------+--------+------------+ +| NVGRE | imac-ivlan | Multi | | | ++--------+------------------+--------+--------+------------+ +| NVGRE | imac-ivlan-tenid | Multi | | | ++--------+------------------+--------+--------+------------+ +| NVGRE | imac-tenid | Multi | | | ++--------+------------------+--------+--------+------------+ +| NVGRE | imac | Multi | | | ++--------+------------------+--------+--------+------------+ +| NVGRE | omac-imac-tenid | Multi | | | ++--------+------------------+--------+--------+------------+ -- 1.7.4.4