ZXR102900ESeriesCongurationGuide
zte(cfg)#setdhcpv6port49client
zte(cfg)#setdhcpv6port50server
zte(cfg)#setdhcpv6ip-source-guardaddport49
zte(cfg)#setdhcpv6option82enable
zte(cfg)#setdhcpv6option82addport49,50
lCongurationVerication
zte(cfg)#showdhcpv6snooping
DHCPv6snoopingisenabledonthefollowingport(s):
PortIdPortType
--------------
49Client
50Server
zte(cfg)#showdhcpv6option82
DHCPv6option82isenabledonthefollowingport(s):
PortIdPortType
--------------
49Client
50Server
zte(cfg)#showdhcpv6ip-source-guard
Ipsourceguardisconfiguredonthefollowingport(s):49
5.29VBASConguration
VBASOverview
TheVirtualBroadbandAccessServer(VBAS)isnotphysicalequipmentbutaprotocol
standard,whichisdevelopedbyChinaTelecom.TheVBASisusedtosolvetheproblem
ofwide-banduseridentier.WhentheBroadbandAccessServer(BAS)getsuser
identierbyinquiringcorrespondingrelationshipbetweenMACofusersdialingtothe
switchandport,thensendsusername,passwordandidentierinformationtoRADIUS,it
candeterminethepositionoftheuser.
Layer2communicationmodeisimplementedbetweenBASandswitches,thatis,
informationqueryandresponsedatapacketsofVBASareencapsulatedintoEthernet
dataframesoflayer-2directly,anduseprotocolnumber0x8200foridentication.
Note:
OnlytrustportscanreceiveVBASpacketsandVBASresponsepacketsonlycanbesent
fromtrustports.
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SJ-20130731155059-002|2013-11-27(R1.0)ZTEProprietaryandCondential