Datasheet

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Feature Description
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DiffServe Code Point (DSCP) (RFC 2474)
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Type of service (ToS) (RFC 791, RFC 1349)
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Network Time Protocol client (NTP)
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Router or bridge mode of operation
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MAC address cloning
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Port forwarding
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Internet Group Management Protocol (IGMP) versions 1 and 2
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IGMP Snooping (SRP500 models only)
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Universal Plug and Play (UPnP)
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Dynamic Domain Name System (DDNS)
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DNS proxy
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DNS spoofing
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Access control lists (ACLs) for inbound traffic
Switch features
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Automatic medium dependent interface (MDI) and MDI crossover (MDI-X)
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Up to 5 802.1q VLANs (SRP520 models)
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Up to 10 802.1q VLANs (SRP540 models)
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Storm control
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802.1d Spanning Tree protocol
DSL (DSL models only)
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ATM Variable Bit Rate/real-time (VBR-rt), ATM Unspecified Bit Rate (UBR), Constant Bit Rate (CBR),
and Variable Bit Rate/non-real-time (VBR-nrt)
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Up to four permanent virtual circuits (PVC)
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ATM operation, administration, and maintenance (OAM) support for F4 and F5 continuity check with
segment or end-to-end loopback
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IP over ATM (IPoA)
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Point-to-Point Protocol over ATM (PPPoA)
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PPP over Ethernet (PPPoE)
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Bridged Ethernet over ATM (EoA) (RFC 1483/RFC2684)
Security features
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Stateful inspection routing firewall
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Denial-of-service (DoS) prevention
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Internet access control by MAC and IP address
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Secure HTTP (HTTPS) support for remote access and provisioning
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Client certificates for secure remote provisioning
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Multi-level password-protected web access for configuration
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URL and keyword filtering
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Site-to-site IPsec VPN with support for NAT transparency (NAT-T)
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Hardware-accelerated Data Encryption Standard (DES), 3DES
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5 IPsec tunnels
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VPN pass-through for IPsec, Point-to-Point Tunneling Protocol (PPTP), and L2TP
QoS features
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Per interface traffic shaping
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Low Latency Queuing (1 Priority Queue + 4 Weighted Round Robin queues)
Provisioning,
administration, and
maintenance
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TR-069, TR-098, TR-104
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Automated provisioning and upgrade via Cisco XML profile, HTTP, HTTPS, TFTP
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Asynchronous notification of upgrade availability via SIP NOTIFY
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Web browser administration and configuration via integral web server
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Event logging
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Voice statistics in SIP BYE message
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Syslog and debug server records
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Per-line and purpose configurable syslog and debug options
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Simple Network Management Protocol (SNMP) versions 1, 2, and 3c
High-availability
features
Automatic failover and recovery of WAN connection enabled by supported USB mobile broadband modem
or by second WAN interface (540 models)