Configuring LACP clear port mirroring
4-56 Port Configuration
•Ameansofidentifyingthe setofcapabilitiesassociatedwitheachportandwitheach
aggregator,asunderstoodbyagivendevice.
•AmeansofidentifyingaLAGanditsassociatedaggregator.
LACP Terminology
Table 4‐8defineskeyterminologyusedinLACPconfiguration.
Matrix Series Usage Considerations
Innormalusage(andtypicalimplementations)thereisnoneedtomodifyanyofthedefault
LACPparametersontheMatrixSeriesdevice.Thedefaultvalueswillresultinthemaximum
numberofaggregationspossible.Iftheswitchisplacedinaconfigurationwithitspeersnot
runningtheprotocol,no
dynamiclinkaggregationswillbeformedandtheswitchwillfunction
normally(thatis,willblockredundantpaths).Forinformationaboutbuildingstaticaggregations,
refertosetlacpstatic(“setlacpstatic”onpage 4‐62).
EachMatrixSeriesmoduleprovides4virtuallinkaggregatorports,whicharedesignatedinthe
CLIaslag.0.1throughlag.0.4.Onceunderlyingphysicalports(i.e.;fe.x.x,orge.x.x)areassociated
withanaggregatorport,theresultingaggregationwillberepresentedasoneLAGwithalag.x.x
portdesignation.LACPdetermineswhichunderlyingphysicalportsarecapableofaggregating
Table 4-8 LACP Terms and Definitions
Term Definition
Aggregator Virtual port that controls link aggregation for underlying physical ports. Each
Matrix Series module provides aggregator ports, which are designated in the
CLI as lag.0.1 through lag.0.4.
LAG Link Aggregation Group. Once underlying physical ports (i.e.; fe.x.x, or
ge.x.x) are associated with an aggregator port, the resulting aggregation will
be represented as one LAG with a lag.x.x port designation.
LACPDU Link Aggregation Control Protocol Data Unit. The protocol exchanges
aggregation state/mode information by way of a port’s actor and partner
operational states. LACPDUs sent by the first party (the actor) convey to the
second party (the actor’s protocol partner) what the actor knows, both about
its own state and that of its partner.
Actor and Partner An actor is the local device sending LACPDUs. Its protocol partner is the
device on the other end of the link aggregation. Each maintains current status
of the other via LACPDUs containing information about their ports’ LACP
status and operational state.
Admin Key Value assigned to aggregator ports and physical ports that are candidates for
joining a LAG. The LACP implementation on Matrix Series devices will use
this value to form an oper key and will determine which underlying physical
ports are capable of aggregating by comparing oper keys. Aggregator ports
allow only underlying ports with oper keys matching theirs to join their LAG.
System Priority Value used to build a LAG ID, which determines aggregation precedence. If
there are two partner devices competing for the same aggregator, LACP
compares the LAG IDs for each grouping of ports. The LAG with the lower
LAG ID is given precedence and will be allowed to use the aggregator.
Note: Only one LACP system priority can be set on a Matrix Series device,
using either the set lacp asyspri command (“set lacp asyspri” on page 4-60),
or the set port lacp command (“set port lacp” on page 4-66).
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