The NetVanta 4305 AC has the following features:

• Three-slot (one wide module and two NIM slots), dual-Ethernet modular IP router
• Feature-rich ADTRAN Operating System (AOS)
• Recognizable Command Line Interface (CLI) and user-friendly, web-based Graphical User Interface (GUI)
• Modular IP access routers for Frame Relay, Multilink Frame Relay, PPP, Multilink PPP, or PPPoE networks
• Standards-based BGP, OSPF, RIP, static routing, and bridging protocols
• Integral stateful inspection firewall protects against Denial of Service (DoS) attempts
• Interchangeable Network Interface Modules (NIMs) with integral DSU/CSU
• 56k/64k DDS, T1/FT1, T1/FT1 + DSX-1, Dual T1, E1/FE1, E1/FE1 + G.703, or ADSL (Annex A or Annex B), SHDSL, and serial NIMs available
• Octal T1/E1 wide module supported
• Dial backup to any PPP-compliant device
• Analog modem, ISDN BRI (U or S/T), or serial Dial Backup Interface Modules (DIMs) available
• Auto-sensing 10/100BaseT interface(s)
• IPSec VPN upgrade supporting DES/3DES/AES encryption
• Compatible with ADTRAN’s other VPN-equipped NetVanta products
• Quality of Service (QoS) with class-based weighted fair queuing (CBWFQ), low latency queuing (LLQ), weighted fair queuing (WFQ), and DiffServ marking
• Built-in alert and logging mechanisms
• Network Address Translation (NAT/NAPT) and NAT Traversal version 2
• NAT-compatible SIP ALG
• DHCP client, server, and relay
• XAUTH including RADIUS and RSA SecurID
• FLASH memory supports dual images of AOS
• TFTP, FTP, XMODEM for firmware upgrades and maintenance updates
• Telnet, HTTP, SSH, SSL, craft/console port, or SNMP management options
• Field-upgradable, remotely configurable interface modules
• Supports up to eight T1/E1s of bandwidth
• Dual 10/100BaseT Ethernet ports support LAN segmentation or DMZ applications
• 1U, 19-inch rackmount metal enclosure
• 1.63-inch H x 17.25-inch W x 7.75-inch D
• Auto-ranging power (90 to 250 VAC, 50/60 Hz, 50 watts)
• 1,000 IPSec VPN tunnels (optional)

The NetVanta 4305 DC has the following features:

• Same functionality as NetVanta 4305 AC
• 1U, 19-inch rackmount metal enclosure
• 1.63-inch H x 17.25-inch W x 7.75-inch D
• -48 VDC/+24 VDC, 60 watts maximum
• NEBS Level 1 compliant