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DGS-3120 Series Managed Switch CLI Reference Guide 
165 
 
specified, or all VLANs is disabled, means do not care which VLAN the client comes 
from, the client will be authenticated if the client's MAC(not care the VLAN) is not 
authenticated. After the client is authenticated, the client will not be re-authenticated 
when received from other VLANs. All VLANs are disabled by default. 
Note: When port’s authorization mode is changed to port-based, previously authentication 
VLAN(s) on this port will be clear. 
multi_authen_methods - (Optional) Specify the method for compound authentication. (EI Mode 
Only) 
none - Compound authentication is not enabled. 
any - If any one of the authentication method (802.1X, MAC-based Access Control, and WAC) 
passes, then pass. 
dot1x_impb - Dot1x will be verified first, and then IMPB will be verified. Both authentication 
need to be passed. 
impb_jwac - JWAC will be verified first, and then IMPB will be verified. Both authentication 
need to be passed. 
impb_wac - WAC will be verified first, and then IMPB will be verified. Both authentication 
need to be passed. 
mac_impb - MAC-AC will be verified first, and then IMPB will be verified. Both authentication 
 
Restrictions 
Only Administrator, Operator and Power-User level users can issue this command. 
 
Example 
The following example sets the compound authentication method of all ports to any: 
DGS-3120-24TC:admin# config authentication ports all multi_authen_methods any 
Command: config authentication ports all multi_authen_methods any 
 
Success. 
 
 
16-5  show authentication guest_vlan (EI Mode Only) 
Description 
This command is used to show guest VLAN setting. 
 
Format 
show authentication guest_vlan 
 
Parameters 
None. 
 
Restrictions 
None.