| Specifications | 
| Dual WAN | Configurable for Smartlink backup or load balancing | 
| Standards | • 802.3, 802.3u • IPv4 (RFC 791) • Routing Information Protocol (RIP) v1 (RFC 1058) and v2 (RFC 1723) | 
| Network protocols | • Dynamic Host Configuration Protocol (DHCP) server, DHCP client, DHCP relay agent • Static IP • Point-to-Point Protocol over Ethernet (PPPoE) • Point-to-Point Tunneling Protocol (PPTP) • Transparent bridge • DNS relay, Dynamic DNS (DynDNS, 3322) | 
| Routing protocols | • Static • RIP v1 and v2 | 
| Network Address Translation (NAT) | • Port Address Translation (PAT) • Network Address Port Translation (NAPT), NAT traversal, one-to-one NAT | 
| Protocol binding | Protocols can be bound to a specific WAN port for load balancing | 
| Network edge (DMZ) | DMZ port, DMZ host | 
| Security | 
| Firewall | SPI, denial of service (DoS), ping of death, SYN flood, land attack, IP spoofing, email alert for hacker attack | 
| Access rules | Up to 50 entries | 
| Port forwarding | Up to 30 entries | 
| Port triggering | Up to 30 entries | 
| Blocking | Java, cookies, ActiveX, HTTP proxy | 
| Content filtering | Static URL blocking or keyword blocking | 
| Secure management | HTTPS, username/password, password complexity | 
| VPN | 
| IPsec | 50 IPsec site-to-site tunnels for branch office connectivity | 
| QuickVPN | 50 QuickVPN tunnels for remote client access | 
| PPTP | 5 PPTP tunnels for remote access | 
| Encryption | Data Encryption Standard (DES), Triple Data Encryption Standard (3DES), and Advanced Encryption Standard (AES) encryption; AES-128, AES-192, AES-256 | 
| Authentication | MD5/SHA1 authentication | 
| IPsec NAT traversal | Supported for gateway-to-gateway and client-to-gateway tunnels | 
| VPN pass-through | PPTP, L2TP, IPsec | 
| Advanced VPN | Dead peer detection (DPD), IKE, split DNS | 
| Quality of Service (QoS) | 
| Prioritization types | Application-based priority on WAN port | 
| Service-based QoS | Supports rate control or priority | 
| Rate control | Upstream/downstream bandwidth can be configured per service | 
| Priority | Each service can be mapped to one of 3 priority levels | 
| Performance | 
| NAT throughput | 100 Mbps | 
| IPsec VPN throughput | 59 Mbps | 
| Configuration | 
| Web user interface | Simple browser-based device manager (HTTP/HTTPS) | 
| Management | 
| Management protocols | Web browser, Simple Network Management Protocol (SNMP) v1 and v2c, Bonjour | 
| Event logging | Syslog, email alerts, VPN tunnel status monitor | 
| Upgradability | Firmware upgradable through web browser, imported/exported configuration file |