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DGS-3120 Series Managed Switch CLI Reference Guide 
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Table of Contents 
Chapter 1  Using Command Line Interface ............................................................................................. 1 
Chapter 2  Basic Command List ............................................................................................................. 8 
Chapter 3  802.1Q VLAN Command List .............................................................................................. 23 
Chapter 4  802.1X Command List ......................................................................................................... 39 
Chapter 5  Access Authentication Control Command List .................................................................... 64 
Chapter 6  Access Control List (ACL) Command List ........................................................................... 85 
Chapter 7  Access Control List (ACL) Egress Command List (EI Mode Only) ................................... 105 
Chapter 8  Address Resolution Protocol (ARP) Command List .......................................................... 124 
Chapter 9  ARP Spoofing Prevention Command List ......................................................................... 129 
Chapter 10  Asymmetric VLAN Command List ..................................................................................... 131 
Chapter 11  Auto-Configuration Command List .................................................................................... 133 
Chapter 12  Basic Commands Command List ...................................................................................... 135 
Chapter 13  BPDU Attack Protection Command List ............................................................................ 152 
Chapter 14  Cable Diagnostics Command List ..................................................................................... 157 
Chapter 15  Command Logging Command List.................................................................................... 160 
Chapter 16  Compound Authentication Command List ........................................................................ 162 
Chapter 17  Configuration Command List ............................................................................................. 171 
Chapter 18  Configuration Trap Command List .................................................................................... 176 
Chapter 19  Connectivity Fault Management (CFM) Command List (EI Mode Only)........................... 178 
Chapter 20  Connectivity Fault Management (CFM) Extension Command List (EI Mode Only) .......... 206 
Chapter 21  CPU Interface Filtering Command List ............................................................................. 210 
Chapter 22  Debug Software Command List ........................................................................................ 221 
Chapter 23  DHCP Local Relay Command List .................................................................................... 233 
Chapter 24  DHCP Relay Command List .............................................................................................. 237 
Chapter 25  DHCP Server Screening Command List ........................................................................... 254 
Chapter 26  DHCPv6 Relay Command List (EI Mode Only) ................................................................ 258 
Chapter 27  D-Link Unidirectional Link Detection (DULD) Command List (EI Mode Only) .................. 263 
Chapter 28  Ethernet Ring Protection Switching (ERPS) Command List (EI Mode Only).................... 265 
Chapter 29  Filter Command List .......................................................................................................... 275 
Chapter 30  Filter Database (FDB) Command List ............................................................................... 278 
Chapter 31  Flash File System (FFS) Command List ........................................................................... 288 
Chapter 32  Gratuitous ARP Command List ......................................................................................... 299 
Chapter 33  IGMP / MLD Snooping Command List .............................................................................. 305 
Chapter 34  IP-MAC-Port Binding (IMPB) Command List (EI Mode Only) ........................................... 349