DGS-3100 Series Gigabit Stackable Managed Switch CLI Manual 
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delete authen server_host 
Purpose  To delete a user-defined authentication server host. 
Syntax 
delete authen server_host <ipaddr> protocol [tacacs+ | radius] 
Description The delete authen server_host command deletes a user-defined 
authentication server host previously created on the Switch. 
Parameters  server_host <ipaddr> - The IP address of the remote server host to 
be deleted. 
protocol – The protocol used by the server host the user wishes to 
delete. The options are: 
•  tacacs+ – Specifies that the server host utilizes the 
TACACS+ protocol. 
•  radius – Specifies that the server host utilizes the RADIUS 
protocol. 
Restrictions  Only Administrator or operator-level users can issue this command. 
Example usage: 
To delete a user-defined TACACS+ authentication server host: 
DGS3100# delete authen server_host 10.1.1.121 protocol tacacs+ 
 
Success. 
 
DGS3100# 
 
show authen server_host 
Purpose  To view a user-defined authentication server host. 
Syntax 
show authen server_host 
Description The show authen server_host command displays user-defined 
authentication server hosts previously created on the Switch. 
The following parameters are displayed: 
IP Address – The IP address of the authentication server host. 
Protocol – The protocol used by the server host. Possible results 
include TACACS+ or RADIUS. 
Port – The virtual port number on the server host. The default value 
is 49. 
Timeout - The time in seconds the Switch waits for the server host to 
reply to an authentication request. 
Retransmit - The value in the retransmit field denotes how many 
times the device resends an authentication request when the 
TACACS server does not respond. This field is inoperable for the 
tacacs+ protocol. 
Key - Authentication key to be shared with a configured TACACS+ 
server only. 
Parameters None. 
Restrictions None.