Specifications

Link Aggregation Configuration Example
December 02, 2010 Page 17 of 23
NextwewanttochangethesystempriorityfortheS3sothatitwillbeinchargeofportselection
onLAG1:
S3(rw)->set lacp asyspri 100
WenextenableflowregenerationontheS3:
System(rw)->set lacp flowRegeneration enable
Configuring the C3 Stackable Switch
ThefirstthingwewanttodoissettheadminkeyforallLAGstothenon‐defaultvalueof65535so
thatnoLAGswillautomaticallyform:
C3(rw)->set lacp aadminkey lag.0.* 65535
LAGs2and3willformonthestackableswitchsoweneedtosettheadminkeyforthisLAG:
C3(rw)->set lacp aadminkey lag.0.2 200
C3(rw)->set lacp aadminkey lag.0.3 300
LACPportstateisenabledbydefaultontheC3,sowedonothavetoenableLACPportstatehere.
Wenextwanttosettheadminkeysforthestackableswitchphysicalports:
C3(rw)->set port lacp port ge.1.1 aadminkey 200
C3(rw)->set port lacp port ge.1.2 aadminkey 200
C3(rw)->set port lacp port ge.2.1 aadminkey 200
C3(rw)->set port lacp port ge.2.2 aadminkey 200
C3(rw)->set port lacp port ge.1.3 aadminkey 300
C3(rw)->set port lacp port ge.1.4 aadminkey 300
C3(rw)->set port lacp port ge.2.3 aadminkey 300
C3(rw)->set port lacp port ge.2.4 aadminkey 300
Nextwewanttochangethesystempriorityforthestackableswitchsothatitwillbeinchargeof
portselectiononLAGs2and3:
C3(rw)->set lacp asyspri 100
Configuring the Server
Configuringlinkaggregationontheserverisdepe ndentupontheinstalledLACPapplication.
Therearethreeaspectstolinkaggregationontheserveryoumustensureforthisexample:
•TheadminkeyforLAG3mustbesetto300
•TheadminkeysforeachNICportmustbesetto300
•The
systempriorityfortheservermustbesetgreaterthan100toensurethatthestackable
switchwillcontrolportselection
Thiscompletestheexample1configuration.
Link Aggregation Configuration Example 2
ItisunlikelythatyouwillrunoutofLAGresourcesformostlinkaggregationconfigurations,but
itispossible.SeeTable 3onpage 9for alistingofLAGsupportforyoursystem.Shouldyourun
outofLAGresources,excessaggregatableportsareplacedinstandbymode.
Makinguseof
theportpriorityparameter,thisexampleshowshowyoucanensuretheorderin
whichaggregatableportsformaLAGandaremovedtothea ttachedstate.Inconfiguration
example2,twouplinkLAGswillbemanuallyconfiguredbetweenanS3chassisandanN3