Multilink PPP Commands
XSR CLI Reference Guide 8-119
Syntax of the “no” Form
ThenoformofthiscommandremovesthePPPmultilinkgroup:
no multilink-group
Default
Disabledwithnospecificmultilinkgroupassigned
Mode
Interfaceconfiguration:XSR(config-if<xx>)#
Examples
ThefollowingexampleassignsPPPlinkSerialinterface1/1tothePPPmultilinkgroup20:
XSR(config-if<S1/1>)#multilink group 20
ThenextexamplealsoassignsPPPlinkSerialinterface1/1tothePPPmultilinkgroup20:
XSR(config-if<S1/1>)#ppp multilink group 20

multilink load-threshold

Thiscommandsetsthemultilinkloadthresholdwhichtriggersthedialertoaddordeletealink
fromthemultilinkbundle.Itshouldbeconfiguredonthecalledsideofaconnectiononly.This
commandeffectsBandwidthonDemand(BoD)ontheXSR.
Indeterminingwhethertotriggerthedialer,theXSRmonitorsonlythebundleload.Theload
thresholdprovidesthedialerwithatriggertoaddordeletethemultilinkmemberlinkfromthe
memberlinkbundle.Theloadissampledeverysecondandaveragedoveran8secondperiod.
Triggeringisdelayedfor10secondswhentheloadsurpassesorfallsbelowthethreshold.
Triggeringisgenerated��when:
•Eithertheinboundoroutboundtrafficsurpassesthethreshold;or
•Bothinboundandoutboundtrafficfallbelowthethreshold.
Notriggeringisgeneratedwhen:
•Thenumberofmemberlinksisalreadyequaltothemaxlinksvaluesetonthebundlewhen
theloadsurpassesthethreshold;and
•Thenumberofthelinksisalreadyequaltotheminlinksvaluesetonthebundlewhentheload
fallsbelowthethreshold.
Themultilink load-thresholdcommandisthesecondmeansbywhichtheXSRcontrolstraffic
viaBoD.Itisalsoprovidedbysettingthemultilink min-links command,whichisthefirst
meansbywhichtheXSRcontrolstraffic.AthirdmeansusedtoeffectBoDisbyuseofthe
BandwidthAllocationProtocol(BAP)whichisactivatedbyseveralppp bapcommands.BAP
negotiateswiththepeertoaddordropalink,andcanrequestaphonenumberfromacentral
repositorywiththeppp bap number command.
Note: To avoid unexpected behavior, configure this command on one peer only. If it is set on both
peers, their threshold values should match.