Draytek Telnet Command 1.11 - Manual (Page 23)

Telnet Command Reference Guide V1.1 17
2.4.10 ip telnet (for 2950 Series only)
This command allows users to telnet another server (terminal) in the LAN or WAN side.
ip telnet [IP address] [Port]
Syntax Description
IP address It means the target IP address.
Port It means the LAN port that the above IP address passes through.
Example
>ip telnet 192.168.1.1 3