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Feature Description
QoS Features
• Weighted Fair Queuing (WFQ)
• Class-Based WFQ (CBWFQ)
• Low-Latency Queuing (LLQ)
• Class-Based Traffic Shaping (CBTS) (Cisco 871 only)
• Class-Based Traffic Policing (CBTP) (Cisco 876, 877, and 878 only)
• Class-Based QoS MIB
• Prefragment before encryption
• TX ring adjustment
• VC bundling
• Policy-based routing (PBR)
• Per-VC queuing
• Per-VC traffic shaping
Management Features
• Cisco SDM
• Management of LAN switch ports
• Cisco Configuration Express
• Cisco CNS 2100 Intelligence Engine support
• DSL firmware update from Flash
• Cisco Service Assurance Agent (SAA)
• Telnet, Simple Network Management Protocol (SNMP), CLI, and HTTP management
• RADIUS and TACACS+
High-Availability Features
• Virtual Router Redundancy Protocol (VRRP) (RFC 2338)
• Hot Standby Router Protocol (HSRP)
• Out-of-band management with external modem through virtual auxiliary port
• Dial backup with external modem through virtual auxiliary port
• ISDN S/T port for out-of-band management (Cisco 876 and 878 only)
• Integrated ISDN backup via ISDN S/T port (876)
Table 4. WLAN Features (Available with Wireless Option) of the Cisco 870 Series
Feature Description
WLAN Hardware
• 802.11b/g
• Automatic rate selection for 802.11b/g
• RP-TNC connectors for field-replaceable external antennas (antenna options for extended coverage)
• Antenna diversity
• Indoor range: 1 Mbps at 320 ft
• WECA interoperability
• Default antenna gain: 2.2 dBi
• PoE (optional external adapter for Inline power) for IP phones or external wireless access points
WLAN Software Features
• Maximize throughput or maximize range option
• Software-configurable transmit power
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