Enterasys Networks XSR CLI set metric

BGP Set Commands
XSR CLI Reference Guide 6-119
Syntax of the “no” Form
Thenoformofthiscommandremovesthelocalpreferencevalue:
no set local-preference value
Mode
Route‐mapconfiguration:XSR(config-route-map)#
Default
Preferencevalue:100.
Example
Thefollowingexampleconfiguresthesetlocal‐preferencevalueinthecontextofconfiguringa
routemapandmatch:
XSR(config)#route-map 1 permit 1
XSR(config-route-map)#match as-path 37
XSR(config-route-map)#set local-preference 400
Routemap1usesthematchas‐pathcommandthatisreferencinganas‐pathaccesslist37.Thislist
identifiestheBGProutingupdatestowhichthesetlocal‐preferencecommandwillapply.The
relevantupdateswillhavethevalueoftheirlocalpreferencesetto400,whichishigherthanthe
defaultof100.AssumingthatalloftheBGProuteselectioncriteriaremainthesame,theroutes
withthehighestlocalpreferencewillbechosenasthebestroutestotheidentifieddestinations.
This,however,appliesonlyinmulti‐homedASsasthelocalpreferenceattributeimpactsonly
whichwaythetrafficleavesanASiftherearemultipleexitpointsfromit.
set metric
Thiscommandmodifiesthemetricassociatedwithroutesthatmatchaparticularroutemap.This
commandcanalsobeusedtomanipulatethevalueoftheMEDformatchingBGProutes.Besure
thatamatchclausehasbeenspecified.
Metricsarevaluesthattherouterusestoindicatepreferredpathstonetworks.Updateswithnon‐
zerometricsareusedforrouteselectioninsidetheAS.BGPautomaticallycomparesmetricsfor
routestointernalneighbors.Youcanusemetrictoselectthebestpathwhentherearemultiple
alternatives.Routeswithlowermetricvaluesaremorepreferred.
Syntax
set metric metric-value
Syntax of the “no” Form
Thenoformofthiscommandremovesthemetricvalue:
no set metric metric-value
metric-value Thevalueofthemetric,rangingfrom0to2,147,483,647.