Specifications

Configuring LACP clear port mirroring
4-58 Port Configuration
bycomparingoperationalkeys.Aggregatorportsallow onlyunderlyingportswithkeysmatching
theirstojointheirLAG.
LACPusesasystempriorityvalue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.
Thereareafewcasesinwhichportswillnotaggregate:
•Anunderlyingphysicalportisattachedtoanotherportonthissameswitch(loopback).
•Thereisnoavailableaggregatorfor
twoormoreportswiththesameLAGID.Thiscan
happeniftherearesimplynoavailableaggregators,orifnoneoftheaggregatorshavea
matchingadminkeyandsystempriority.
• 802.1xauthenti cationisenabled,andportsthatwouldotherwiseaggregateare not80 2.1X 
authorized.
TheLACPimplementationon
theMatrixSeriesdevicewillallowintoaLAG.Thedevicewiththe
lowestLAGIDdetermineswhichunderlyingphysicalportsareallowedintoaLAGbasedonthe
ports’LAGportpriority.PortswiththelowestLAGportpriorityvaluesareallowedintotheLAG
andallotherspeedgroup ings
gointoastandbystate.
Purpose
Todisableandre‐enabletheLinkAggregationControlProtocol(LACP),todisplayandconfigure
LACPsettingsforoneormoreaggregatorports,andtodisplayandconfiguretheLACPsettings
forunderlyingphysicalportsthatarepotentialmembersofalinkaggregation.
Commands
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 4-61), or the set port lacp command (“set port lacp”
on page 4-67).
Note: To aggregate, underlying physical ports must be running in full duplex mode and must be of
the same operating speed.
For information about... Refer to page...
show lacp 4-59
set lacp 4-60
clear lacp state 4-61
set lacp asyspri 4-61
set lacp aadminkey 4-62
clear lacp 4-62
set lacp static 4-63
clear lacp static 4-64
show lacp singleportlag 4-64
set singleportlag 4-65