Zte ZXR10 5250-28TC - Single Port Loop Detection Configuration; Figure 5-46 LLDP Configuration Instance

ZXR105250SeriesCongurationGuide
Figure5-46LLDPCongurationInstance
lCongurationVerication
zte(cfg)#showlldpneighbor
CapabilityCodes:
P-Repeater,B-Bridge,W-WLANAccessPoint,R-Router,T-Telephone
C-DOCSISCableDevice,s-Station,S-Switch,O-Other
InterfaceDeviceIDHdtmCapabilityPlatformPortID
--------------------------------------------------------------------------
port-1900.d0.d0.09.01.02110BSZXR105250-28TCport-9
VersionV2.05.11B06
zte(cfg)#showlldpentry
--------------------------------------------------------
LocalPort:port-1/1
ChassisID:00.55.43.33.33.59(MACAddress)
PortID:port-1/48(InterfaceName)
TTLID:102(Timetolive)
PortDescription:port-1/48statusisup,media-typeis1000BaseT,pvidis4094.
SystemName:52PM
SystemDescription:ZXR105250-28TCVersionV2.05.11B06
SystemCapability:Bridge,Switch
ManagementAddress:IPv4-192.168.100.100,ifIndex-63,OID-Null
5.35SinglePortLoopDetectionConguration
SinglePortLoopDetectionOverview
Singleportloopdetectionistocheckwhetheraloopexistsintheportsoftheswitch.Ifsuch
aloopexists,itmayresultinerrorsinlearningMACaddressesandmayeasilycausea
broadcaststorm.Inseverecase,switchandnetworkmaybedown.Startingthesingleport
loopdetectionanddisablingtheportwithloopcanefcientlyavoidtheinuencecaused
byportloop.
Theswitchsendsatestpacketthroughaport.Ifthistestpacketisreceivedthroughthe
portwithoutanychange(oronlyatagisattached),itindicatesthataloopexistsinthis
port.
Thetestpacketsentbytheswitchincludesthefollowingthreeparameters:
lSourceMACaddress:ItindicatestheMACaddressoftheswitch.TheMACaddress
ofeachswitchisunique.
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SJ-20131111172707-002|2013-11-27(R1.0)ZTEProprietaryandCondential