Router | Desktop, rack-mountable - modular - 3U | Wired | Ethernet, Fast Ethernet, Gigabit Ethernet | Cisco Unified Communications Manager Express sessions: 450 å? Cisco Unified SRST sessions: 1500 | IPSec, PPPoE, L2TPv3 | OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing, policy-based routing (PBR) | SNMP, RMON | SSL | Firewall protection, VPN support, MPLS support, Syslog support, content filtering, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED), Access Control List (ACL) support, Quality of Service (QoS), Dynamic Multipoint VPN (DMVPN) | IEEE 802.3, IEEE 802.1Q, IEEE 802.1ah, IEEE 802.1ag, CISPR 22 Class A, CISPR 24, EN55024, EN55022 Class A, EN50082-1, AS/NZS 60950-1, AS/NZ 3548 Class A, CAN/CSA-E60065-00, ICES-003 Class A, FCC CFR47 Part 15, EN300-386, UL 60950-1, IEC 60950-1, EN 60950-1, CSA C22.2 No. 60065, BSMI CNS 13438, NEBS | 1 GB (installed) / 2 GB (max) | 256 MB (installed) / 8 GB (max) | Power, link/activity | |