Cisco 2851 Integrated Services Router - router Cisco 2821 Integrated Services Router - router The Cisco 850 Series of secure broadband and wireless routers is part of the Cisco Integrated Services Router portfolio. Designed for small offices, the routers provide secure WAN connectivity with optional integrated 802.11b/g WLANs in a single device. Easy setup allows the Cisco 850 Series to be deployed at small remote offices and small businesses, and remote management features enable IT managers and service providers to provide better support at remote sites.
Cisco 850 Series integrated services routers are fixed-configuration routers that support broadband cable and Asymmetric DSL (ADSL) over analog telephone lines connections in small offices. They provide the performance needed to run concurrent services, including firewall and encryption for VPNs and optional 802.11b/g for wireless networking. The Cisco Router and Security Device Manager (SDM) Web-based configuration tool simplifies setup and deployment, and centralized management capabilities give network managers visibility and control of router configurations at the remote site.
Cisco 857 Integrated Services Router - router General
| Device Type | Router |
| Form Factor | External |
| Width | 10.2 in |
| Depth | 8.5 in |
| Height | 2 in |
| Weight | 2.2 lbs |
Memory
| RAM | 64 MB (installed) / 64 MB (max) |
| Flash Memory | 20 MB (installed) / 20 MB (max) |
Networking
| Connectivity Technology | Wired |
| Integrated Switch | 4-port switch |
| Framing Format | ANSI T1.413 |
| Data Link Protocol | Ethernet, Fast Ethernet |
| Switching Protocol | Ethernet |
| Network / Transport Protocol | PPTP, L2TP, IPSec, PPPoE, PPPoA |
| Routing Protocol | RIP-1, RIP-2, GRE |
| Remote Management Protocol | SNMP, RMON, Telnet, HTTP |
| Capacity | VPN tunnels : 5 |
| Status Indicators | Status |
| Features | Firewall protection, auto-sensing per device, NAT support, hardware encryption, VPN support, PAT support, auto-uplink (auto MDI/MDI-X), traffic shaping, IPv6 support, firmware upgradable, Weighted Fair Queuing (WFQ), event log, Access Control List (ACL) support, Quality of Service (QoS), DHCP server |
| Compliant Standards | IEEE 802.1D, IEEE 802.1x, Wi-Fi CERTIFIED |
Communications
| Type | DSL modem |
| Digital Signaling Protocol | ADSL, ADSL2, ADSL2+ |
| Protocols & Specifications | ITU G.992.1 (G.DMT), ITU G.992.3 (G.DMT.bis), ITU G.992.5 |
Expansion / Connectivity
| Interfaces | 4 x network - Ethernet 10Base-T/100Base-TX - RJ-45 1 x modem - ADSL - RJ-11 ( WAN ) 1 x management - console - RJ-45 |
Miscellaneous
| Encryption Algorithm | DES, Triple DES, AES |
| Authentication Method | RADIUS, TACACS+ |
| Compliant Standards | ETSI, EN 60950, IEC 61000-4-11, IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 61000-4-8, IEC950, VCCI-II, EN55022 Class B, ICES-003 Class B, ACA TS001, AS/NZS 3260, FCC Part 68, CS-03, UL 1950 Third Edition, EN 60555-2, FCC CFR47 Part 15 |
Power
| Power Device | Power adapter - external |
| Voltage Required | AC 120/230 V ( 50/60 Hz ) |
Environmental Parameters
| Min Operating Temperature | 32 °F |
| Max Operating Temperature | 104 °F |
| Humidity Range Operating | 10 - 85% |
The Cisco 850 Series of secure broadband and wireless routers is part of the Cisco Integrated Services Router portfolio. Designed for small offices, the routers provide secure WAN connectivity with optional integrated 802.11b/g WLANs in a single device. Easy setup allows the Cisco 850 Series to be deployed at small remote offices and small businesses, and remote management features enable IT managers and service providers to provide better support at remote sites.
Cisco 850 Series integrated services routers are fixed-configuration routers that support broadband cable and Asymmetric DSL (ADSL) over analog telephone lines connections in small offices. They provide the performance needed to run concurrent services, including firewall and encryption for VPNs and optional 802.11b/g for wireless networking. The Cisco Router and Security Device Manager (SDM) Web-based configuration tool simplifies setup and deployment, and centralized management capabilities give network managers visibility and control of router configurations at the remote site.
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