ZXR10 2920/2928/2952
(V1.0) Access Switch User Manual （Volume I）
204 Confidential and Proprietary Information of ZTE CORPORATION
zte(cfg)#show dhcp option82
DHCP option82 is enabled on the following port(s):
portID portType
------ --------
1 Server
2 Client
3 Client
4 Client
6 Client
7 Client
8 Client
24 Cascade
zte(cfg)#show dhcp option82 port 7
DHCP option82 information on port 7:
circuit-ID: Enabled
format: CHINA-TEL
remote-ID: Enabled
format: Cisco
subscriber-ID: Enabled
value: yuhuatai
reserve sub-option: Disabled
zte(cfg)#
VBAS Overview
VBAS itself is not physical equipment, is a standard protocol,
which is developed by Guangdong Institute of China Telecom.
VBAS is to solve the problem of wideband user identifier.
When BAS gets user identifier by inquiring correspondence
relationship of users MAC dialing to the switch and port, then
sends user name, password and identifier information to
RADIUS, it can realize the position of the user.
Layer 2 communication mode takes place between BAS and
switches, that is, information query and response data packets
of VBAS are encapsulated into Ethernet data frames in layer 2
directly, and use protocol number 0x8200 to identify.
Only trust ports can receive VBAS packets for switches and
VBAS response packets only can be sent from trust ports.
Note
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