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# 三层网络

<table><thead><tr><th data-type="content-ref">接口名称</th><th>接口功能</th></tr></thead><tbody><tr><td><a href="/api-reference/cn/sdn/cloud-router/describecloudrouteravailableports.md">DescribeCloudRouterAvailablePorts</a></td><td>查询可用端口</td></tr><tr><td><a href="/api-reference/cn/sdn/cloud-router/describecloudrouteravailablevpcs.md">DescribeCloudRouterAvailableVpcs</a></td><td>查询可用VPC</td></tr><tr><td><a href="/api-reference/cn/sdn/cloud-router/createcloudrouter.md">CreateCloudRouter</a></td><td>创建三层网络</td></tr><tr><td><a href="/api-reference/cn/sdn/cloud-router/describecloudrouters.md">DescribeCloudRouters</a></td><td>查询三层网络列表</td></tr><tr><td><a href="/api-reference/cn/sdn/cloud-router/addcloudrouteredgepoints.md">AddCloudRouterEdgePoints</a></td><td>新增连接点</td></tr><tr><td><a href="/api-reference/cn/sdn/cloud-router/modifycloudroutersattribute.md">ModifyCloudRoutersAttribute</a></td><td>修改三层网络属性</td></tr><tr><td><a href="/api-reference/cn/sdn/cloud-router/deletecloudrouteredgepoint.md">DeleteCloudRouterEdgePoint</a></td><td>删除连接点</td></tr><tr><td><a href="/api-reference/cn/sdn/cloud-router/modifycloudrouteredgepointbandwidth.md">ModifyCloudRouterEdgePointBandwidth</a></td><td>修改连接点带宽</td></tr><tr><td><a href="/api-reference/cn/sdn/cloud-router/modifycloudrouteredgepoint.md">ModifyCloudRouterEdgePoint</a></td><td>修改连接点配置</td></tr><tr><td><a href="/api-reference/cn/sdn/cloud-router/deletecloudrouter.md">DeleteCloudRouter</a></td><td>删除三层网络</td></tr><tr><td><a href="/api-reference/cn/sdn/cloud-router/destroycloudrouter.md">DestroyCloudRouter</a></td><td>销毁三层网络</td></tr><tr><td><a href="/api-reference/cn/sdn/cloud-router/describecloudrouteredgepointtraffic.md">DescribeCloudRouterEdgePointTraffic</a></td><td>查询连接点流量</td></tr><tr><td><a href="/api-reference/cn/sdn/cloud-router/describecloudrouterdctodctraffic.md">DescribeCloudRouterDCToDCTraffic</a></td><td>查询数据中心间流量</td></tr></tbody></table>