=== Ling Aggregation Basic ==== Description Verify communication over a link aggregate in static and LACP operating modes during basic failure scenarios. .Internal network setup, PC verifies connectivity with dut2 via dut1 ifdef::topdoc[] image::{topdoc}../../test/case/ietf_interfaces/lag_basic/lag-basic.svg[Internal networks] endif::topdoc[] ifndef::topdoc[] ifdef::testgroup[] image::lag_basic/lag-basic.svg[Internal networks] endif::testgroup[] ifndef::testgroup[] image::lag-basic.svg[Internal networks] endif::testgroup[] endif::topdoc[] The host verifies connectivity with dut2 via dut1 over the aggregate for each test step using the `mon` interface. ==== Topology ifdef::topdoc[] image::{topdoc}../../test/case/ietf_interfaces/lag_basic/topology.svg[Ling Aggregation Basic topology] endif::topdoc[] ifndef::topdoc[] ifdef::testgroup[] image::lag_basic/topology.svg[Ling Aggregation Basic topology] endif::testgroup[] ifndef::testgroup[] image::topology.svg[Ling Aggregation Basic topology] endif::testgroup[] endif::topdoc[] ==== Test sequence . Set up topology and attach to target DUTs . Set up LACP link aggregate, lag0, on dut1 and dut2 . Verify failure modes for lacp mode . Set up static link aggregate, lag0, on dut1 and dut2 . Verify failure modes for static mode <<<