Router - 4-port switch (integrated) | Desktop - modular - 1U | Wired | Ethernet, Fast Ethernet | TCP/IP, L2TP, RSVP, NTP, PPPoE | OSPF, BGP-4, IS-IS, RIP-1, RIP-2, IGMPv2, VRRP, OSPFv2, PIM-SM, PIM-DM, IGMPv3, GRE, OSPFv3, Multiprotocol BGP, MSDP, static IPv4 routing, static IPv6 routing, RIPng | SNMP 1, SNMP 2, RMON 1, Telnet, SNMP 3, HTTP, FTP, SSH | MD5, SSL, TLS | RADIUS, TACACS+, Secure Shell v.2 (SSH2), Extensible Authentication Protocol (EAP) | Firewall protection, DHCP support, NAT support, VPN support, NAPT support, ARP support, MPLS support, IGMP snooping, Syslog support, port mirroring, IPv6 support, Weighted Fair Queuing (WFQ), Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, Quality of Service (QoS), MLD snooping | IEEE 802.3, IEEE 802.3u, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p, IEEE 802.1w, IEEE 802.1x, IEEE 802.1s , ICES-003 Class B, FCC Part 68, RoHS, UL 60950-1, IEC 60950-1, CSA C22.2 No. 60950-1-03, WEEE, CSA C22.2 No. 60950-1, EN 60825-1 | 1 x 333 MHz | 256 MB - DDR SDRAM | 32 MB | |