Zte ZXR10 5900E Series - Page 106

ZXR105900ESeriesCongurationGuide(IPv4Routing)
TocongureIS-IStrafcengineeringontheZXR105900E,performthefollowingsteps:
StepCommandFunction
1ZXR10(config)#routerisis[process-id][vrf<vrf-name>]EntersIS-ISrouteconguration
mode.
2ZXR10(config-isis-0)#metric-stylewideInIS-ISroutingmode,congure
thewidemetric.
3ZXR10(config-isis-0)#mplstraffic-englevel-1EnablesTEonIS-ISLevel-1.
4ZXR10(config-isis-0)#mplstraffic-englevel-2EnablesTEonIS-ISLevel-2.
ConguringIS-ISFRR
TheIS-ISFRRfunctionisusedtocalculatethebackuptopology.Iftheactivelinkisinvalid,
trafccanbeforwardedtothebackuprouteimmediatelytoavoiddataloss.
ToconguretheIS-ISFRRfunctionontheZXR105900E,performthefollowingsteps:
StepCommandFunction
1ZXR10(config)#routerisis[process-id][vrf<vrf-name>]EntersIS-ISrouteconguration
mode.
2ZXR10(config-isis-0)#fast-rerouteenableConguresthewidemetric.
3ZXR10(config-isis-0)#fast-reroutealternate-type
down-stream-path
SetstheIS-ISFRRcalculation
modetodown-stream-path.
Default:LFA.
4ZXR10(config-isis-0)#interface<interface-name>Entersrouteinterfacemode.
5ZXR10(config-isis-0-if-interface-name)#fast-rero
uteblock
Setsthisinterfacenottobe
usedinIS-ISFRRcalculation
andnottobeusedtoforma
backuplink.
ConguringIS-ISGR
TheIS-ISGracefulRestart(GR)functionisusedtoguaranteethattheforwardingprocess
cancontinueifthecorrespondingrouterisrestarted.Aneighborroutercanprocess
messageswhenitisrestarted.Withthisfunction,thisprocessdoesnotresultinroute
oscillation.
Tocongurethegraceful-restartontheZXR105900E,performthefollowingsteps:
StepCommandFunction
1ZXR10(config)#routerisis[process-id][vrf<vrf-name>]EntersIS-ISrouteconguration
mode.
2ZXR10(config-isis-0)#restartenableEnablesthegracefulrestart
functioninIS-ISroutingmode.
4-22
SJ-20150114102049-003|2015-01-15(R1.0)ZTEProprietaryandCondential