| Specifications | Description | 
| Standards | IEEE, 802.3, 802.3u, 802.1D, 802.1p, 802.1w (Rapid Spanning Tree), 802.1Q (VLAN),IPv4 (RFC 791), IPv6 (RFC 2460), Routing Information Protocol (RIP) v1 (RFC 1058), RIP v2 (RFC 1723) | 
| Ports | LAN, WAN, USB | 
| Switch | Power button (on/off) | 
| Buttons | Reset | 
| Cabling type | Category 5e or better | 
| LEDs | Power, VPN, USB, WAN, LAN (ports 1-4) | 
| Operating system | Linux | 
| Network |   | 
| Network Protocols | ● Dynamic Host Configuration Protocol (DHCP) server | 
|   | ● Point-to-Point Protocol over Ethernet (PPPoE) | 
|   | ● Point-to-Point Tunneling Protocol (PPTP) | 
|   | ● Layer 2 Tunneling Protocol (L2TP) | 
|   | ● DNS proxy | 
|   | ● DHCP relay agent | 
|   | ● IGMP Proxy and multicast forwarding | 
|   | ● Rapid Spanning Tree Protocol (RSTP) | 
|   | ● Dynamic Domain Name System (TZO, DynDNS, 3322.org, NOIP) | 
|   | ● Network Address Translation (NAT), Port Address Translation (PAT) | 
|   | ● One-to-One NAT | 
|   | ● Port management | 
|   | ● Port mirroring | 
|   | ● Software configurable DMZ to any LAN IP address | 
|   | ● Session Initiation Protocol (SIP) Application Layer Gateways (ALG) | 
| LAN | Four (4) 10/100/1000 Mbps Gigabit LAN ports with managed switch | 
| WAN | One (1) 10/100/1000 Mbps Gigabit WAN port | 
| Routing Protocols | ● Static routing | 
|   | ● Dynamic routing | 
|   | ● RIP v1 and v2 | 
|   | ● Inter-VLAN routing | 
| Network Address Translation (NAT) Protocol | Port Address Translation (PAT), Network Addr ess Port Translation (NAPT) | 
| VLAN Support | Port-based and 802.1Q tag-based VLANs | 
| Number of VLANs | 5 active VLANs (3-4096 range) | 
| IPv6 | ● Dual-stack IPv4 and IPv6 | 
|   | ● 6to4 tunneling | 
|   | ● Stateless address auto-configuration | 
|   | ● DHCPv6 Server for IPv6 Clients on LAN | 
|   | ● DHCP v6 client for WAN connectivity | 
|   | ● Internet Control Message Protocol (ICMP) v6 | 
|   | ● Static IPv6 Routing | 
|   | ● Dynamic IPv6 Routing with RIPng | 
| Network Edge (DMZ) | Software configurable to any LAN IP address | 
| Layer 2 | 802.1Q-based VLANs, 5 active VLANs | 
| Warranty | 5YR fr EOS คือ รับประกันจนกว่า Cisco ประกาศเลิกจำหน่าย จะรับประกันต่อให้อีกไม่เกิน 5 ปี |