User's Manual

Table Of Contents
52-15
52.3 802.1x Application Example
52.3.1 Examples of Guest Vlan Applications
Figure
52-13 The Network Topology of Guest VLAN
Notes: in the figures in this session, E2 means Ethernet 1/0/2, E3 means Ethernet 1/0/3 and E6 means
Ethernet 1/0/6.
As showed in the next figure, a switch accesses the network using 802.1x authentication, with a RADIUS
server as its authentication server. Ethernet1/0/2, the port through which the user accesses the switch
belongs to VLAN100; the authentication server is in VLAN2; Update Server, being in VLAN10, is for the user
to download and update supplicant system software; Ethernet1/6, the port used by the switch to access the
Internet is in VLAN5.
Figure
52-14 User Joining Guest VLAN
Internet
SWITCH
E2
VLAN10
E3
VLAN10
VLAN2
Update server Authenticator server
E6
VLAN5
User
Internet
SWITCH
E2
VLAN100
E3
VLAN10
VLAN2
Update server Authenticator server
E6
VLAN5
User