Router | Desktop, rack-mountable, wall-mountable - modular - 2U | Wired | Ethernet, Fast Ethernet, Gigabit Ethernet | Cisco Unified SRST sessions: 50 å? Cisco Unified Communications Manager Express sessions: 50 | IPSec, PPPoE, L2TPv3 | OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, static IP routing, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing, policy-based routing (PBR), MPLS, Bidirectional Forwarding Detection (BFD), IPv4-to-IPv6 Multicast | SNMP, RMON, TR-069 | SSL | Firewall protection, hardware encryption, VPN support, MPLS support, Syslog support, content filtering, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED), Quality of Service (QoS), Dynamic Multipoint VPN (DMVPN), Web Services Management Agent (WSMA), NetFlow | IEEE 802.3, IEEE 802.1Q, IEEE 802.3ah, IEEE 802.1ah, IEEE 802.1ag, ANSI T1.101, ITU-T G.823, ITU-T G.824, CISPR 22 Class A, CISPR 24, EN55024, EN55022 Class A, EN50082-1, AS/NZS 60950-1, ICES-003 Class A, CS-03, R&TTE, FCC CFR47 Part 15, EN300-386, UL 60950-1, IEC 60950-1, EN 60950-1, BSMI CNS 13438, AS/NZS 3548 Class A, CAN/CSA C22.2 No. 60950-1, VCCI V-3, EN 61000, TIA/EIA/IS-968 | 512 MB (installed) / 2 GB (max) - DDR2 SDRAM | 256 MB (installed) / 8 GB (max) | Power, link/activity | |