Cisco CISCO2901-HSEC+/K9 | 2900 Series 2901 2 x Ports 1000Base-T + 9 x Expansion Slots 1U Rack-mountable Integrated Service Router

1. Dimensions: 43.8 cm x 43.8 cm x 4.5 cm
2. Weight: 8.6 kg
3. Network / Transport Protocol: IPSec, PPPoE, DHCP, Bonjour, DDNS, DHCPv6, DNS, ICMPv6, IPv6, L2TPv3, NTP, SLAAC, SSH, SSL, TFTP, Telnet
4. Data Link Protocol: Ethernet, Fast Ethernet, Gigabit Ethernet
5. Remote Management Protocol: SNMP, RMON, Telnet, HTTP, HTTPS, SSH
6. Routing Protocol: OSPF, RIP, BGP, EIGRP, HSRP, PIM-SM, GRE, Bidirectional Forwarding Detection (BFD)
7. Power: AC 120/230 V (50/60 Hz)
8. Flash Memory: 256 MB (installed) / 8 GB (max)
9. RAM: 512 MB (installed) / 2 GB (max)
10. Expansion Slots: 2 (total) / 2 (free) x EHWIC, 1 (total) / 1 (free) x CompactFlash, 1 (total) / 1 (free) x ISM
11. Interfaces: 2 x 10Base-T/100Base-TX/1000Base-T - RJ-45, 1 x console - RJ-45, 1 x auxiliary - RJ-45, 1 x USB 2.0 - Type A, 1 x mini-USB - Type B, 2 x SFP (mini-GBIC)
12. Security: Firewall protection, VPN support, MPLS support, Syslog support, content filtering, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED)

Helpful notes:
1. The Cisco 2901 router is designed for small to medium-sized businesses and branch offices.
2. The router supports up to 50 VPN tunnels for secure remote access.
3. The compact size of the router makes it easy to install in tight spaces.