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Tobias Waldekranz
fb394db981
Do not allow the topology matcher to setup a LAG where one link is running at 10G while the other one runs at 1G, since the bond will never use the 1G port as long as there the 10G link is up.
=== LACP Aggregate w/ Degraded Link
==== Description
Verify communication over an LACP link aggregate when individual member
links stop forwarding traffic, without carrier loss.
.Logical network setup, link breakers (lb1 & lb2) here managed by host PC
ifdef::topdoc[]
image::../../test/case/ietf_interfaces/lag_failure/lag-failure.svg[]
endif::topdoc[]
ifndef::topdoc[]
ifdef::testgroup[]
image::lag_failure/lag-failure.svg[]
endif::testgroup[]
ifndef::testgroup[]
image::lag-failure.svg[]
endif::testgroup[]
endif::topdoc[]
The host verifies connectivity with dut2 via dut1 over the aggregate for
each failure mode step using the `mon` interface.
==== Topology
ifdef::topdoc[]
image::{topdoc}../../test/case/ietf_interfaces/lag_failure/topology.svg[LACP Aggregate w/ Degraded Link topology]
endif::topdoc[]
ifndef::topdoc[]
ifdef::testgroup[]
image::lag_failure/topology.svg[LACP Aggregate w/ Degraded Link topology]
endif::testgroup[]
ifndef::testgroup[]
image::topology.svg[LACP Aggregate w/ Degraded Link topology]
endif::testgroup[]
endif::topdoc[]
==== Test sequence
. Set up topology and attach to target DUTs
. Set up link aggregate, lag0, between dut1 and dut2
. Initial connectivity check ...
. Verify failure modes
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