| Port Attributes |
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- 48 10/100/1000BASE-T auto-sensing Gigabit Ethernet switching ports
- Power over Ethernet: Up to 15.4 watts per port (External power supply (EPS-470) to supply a full 15.4 watt on all 48 ports.)
- 4 SFP combo ports for fiber media support
- 10 Gigabit Ethernet uplink modules (optional)
- 48Gbps Stacking module (optional)
- Auto-negotiation for speed, duplex mode and flow control
- Auto MDI/MDIX
- Port mirroring
- Flow-based port mirroring
- Broadcast storm control
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| Performance |
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- Switch Fabric Capacity up to 184 Gb/s
- Forwarding Rate up to 131 Mpps
- Up to 8,000 MAC Addresses
- 256MB of CPU SDRAM
- 32MB of Flash Memory
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| Availability |
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- Spanning Tree (IEEE 802.1D) and Rapid Spanning Tree (IEEE 802.1w) with Fast Link Support
- Multiple spanning trees (IEEE 802.1s)
- Supports Virtual Redundant Routing Protocol (VRRP)
- External redundant power support with PowerConnect EPS-470(sold separately)
- Cable diagnostics
- Optical transceiver diagnostics
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| Layer 3 Routing Protocols |
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- Static routes
- Routing Information Protocol (RIP) v1/v2
- Open Shortest Path First (OSPF) v1/v2/v3
- Classless Inter-Domain Routing (CIDR)
- Internet Control Message Protocol (ICMP)
- ICMP Router Discover Protocol (IRDP)
- Virtual Redundant Routing Protocol (VRRP)
- Address Resolution Protocol (ARP)
- Internet Group Management Protocol (IGMP) v2
- Distance-Vector Multicast Routing Protocol (DVMRP)
- DHCP – Helper/Relay
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| Layer 3 Routing Performance
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- Up to 128 RIP Routing Interfaces
- Up to 128 OSPF Routing Interfaces; up to 128 OSPF Areas; up to 128 Routing Interfaces per OSPF Area; up to 32 routes for ECMP Routing; up to 2 next hops per ECMP
- Up to 128 VLAN Routing Interfaces
- Up to 256 Multicast Forwarding Entries
- Up to 896 ARP entries; Up to 512 NDP entries
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| VLAN |
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- VLAN support for tagging and port-based as per IEEE 802.1Q
- Double VLAN tagging (QinQ)
- Up to 1024 VLANs supported
- Dynamic VLAN with GVRP support
- Voice VLAN support
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| Quality of Service |
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- Layer 2 Trusted Mode (IEEE 802.1p tagging)
- Layer 3 Trusted Mode (DSCP)
- Layer 4 Trusted Mode (TCP/UDP)
- Advanced Mode using Layer 2/3/4 flow-based Policies, including metering/rate limiting, marking and bandwidth guarantees; up to 100 ACLs can be used for QoS flow identification via Class-maps
- 8 Priority Queues per Port
- Adjustable Weighted-Round-Robin (WRR) and Strict Queue Scheduling
- Port-based QoS Services Mode
- Flow-based QoS Services Mode
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| Layer 2 Multicast |
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- Static IP Multicast
- Dynamic Multicast Support – 1024 Multicast groups supported in IGMP Snooping
- IGMP snooping for IP multicast support
- IGMP Querier
- Protocol Independent Multicast (PIM-DM, PIM-SM)
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| Security
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- IEEE 802.1x based edge authentication -- supports single and multiple host access, guest access, voice authorization, and Microsoft Active Directory
- Switch access password protection
- User-definable settings for enabling or disabling Web, SSH, Telnet, SSL management access
- Port-based MAC Address alert and lock-down
- IP Address filtering for management access via Telnet, HTTP, HTTPS/SSL, SSH and SNMP
- RADIUS and TACACS+ remote authentication for switch management access
- Up to 100 Access Control Lists (ACLs) supported; up to 12 Access Control Entries (ACEs) per ACL
- SSLv3 and SSHv2 encryption for switch management traffic
- Management access filtering via Management Access Profiles
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| Other Switching Features |
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- Link Aggregation with support for up to 18 static aggregated links, 8 dynamic aggregated links per switch and up to 8 member ports per aggregated link.
- Support for unicast NLB (multicast NLB not supported)
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| Management
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- Web-based management interface
- Industry-standard CLI accessible via Telnet or Local Serial Port
- SNMPv1, SNMP v2c and SNMPv3 supported
- 4 RMON groups supported (history, statistics, alarms and events)
- TFTP transfers of firmware and configuration files
- Dual Firmware images on-board
- Multiple Configuration file upload/download supported
- Statistics for error monitoring and performance optimization including port summary tables
- BootP/DHCP IP address management supported
- Syslog remote logging capabilities
- Temperature sensors for environmental monitoring
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| Chassis
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- 440 x 387 x 43.2 mm (W x D x H)
- 44 cm (17.3") x 39 cm (15.2") x 4 cm (1.7")
- 1U, rack-mounting kit included
- Approximate weight (without modules): 6.06kg, 13.4lbs
- Approximate weight (with modules): 6.20kg, 13.7lbs
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| Hardware
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- 256MB of CPU SDRAM
- 32MB of Flash Memory
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| MIB-Support |
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- RFC 1213 MIB II
- RFC 1215 Standard Traps
- RFC 1286 Bridge MIB
- RFC 1442 SMIv2 (SNMPv2 MIB)
- RFC 1451 Manager-to-Manager MIB
- RFC 1492 TACACS+
- RFC 1493 Definitions of Managed Objects for Bridges
- RFC 1573 Evolution of Interfaces
- RFC 1643 Etherlike MIB
- RFC 1757 Remote Network Monitoring (RMON) MIB
- RFC 1907 SNMP v2 MIB
- RFC 2011 Internet Protocol (IP) MIB using SMIv2
- RFC 2012 Transmission Control Protocol (TCP) MIB using SMIv2
- RFC 2013 User Datagram Protocol (UDP) MIB using SMIv2
- RFC 2233 Interfaces Group using SMIv2
- RFC 2618 RADIUS MIB
- RFC 2665 Ethernet-like Interface Types MIB
- RFC 2666 Identification of Ethernet Chip sets
- RFC 2674 MIB for Bridge with Traffic Classes, Multicast Filtering and VLAN Extension (IEEE802.1p/q MIB)
- RFC 2737 ENTITY-MIB
- RFC 2819 RMON MIB
- RFC 2863 Interface Evolution
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| Standard Supported |
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- IEEE 802.1AB
- IEEE 802.1D
- IEEE 802.1Q
- IEEE 802.1p
- IEEE 802.1w
- IEEE 802.1x
- IEEE 802.2
- IEEE 802.3
- IEEE 802.3I
- IEEE 802.3u
- IEEE 802.3x
- IEEE 802.3z
- IEEE 802.ab
- IEEE 802.3ac
- IEEE 802.3ad
- IEEE 802.3ae
- IEEE 802.3ak
- IEEE 803.af
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| Peripherals
|
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Power:
- RPS-600 Redundant Power Supply (listed under non-PoE models)
- EPS 470 Redundant Power Supply (listed under PoE models)
Dual Port 10Gb Modules (Up to Two Modules per Switch):
- CX-4 Module
- XFP Module
- 10GBase-T Option Module (Limit one per switch)
- SFP+ Option Module
- Stacking Module with 1 Meter Dell Stacking Cable
Transceivers:
- 1Gb SFP Optical Transceiver, 1000BASE-SX, LC Connector
- 1Gb SFP Optical Transceiver, 1000BASE-LX, LC Connector
- 10Gb XFP Optical Transceiver, SR, LC Connector
- 10Gb XFP Optical Transceiver, LR, LC Connector
- 10Gb SFP+ Optical Transceiver, SR, LC Connector
- 10Gb SFP+ Optical Transceiver, LR, LC Connector
- 10Gb SFP+ Optical Transceiver, LRM, LC Connector (Release early 2009)
Cables:
- SFP+ Direct Connect Cables
- CX-4 Cables
- 1 Meter Stacking Cable
- 3 Meter Stacking Cable
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| Environmental |
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- Operating Temperature: 0º C to 45º C
- Storage Temperature: -20º C to 70º C
- Operating Relative Humidity: 10% to 90% non-condensing
- Storage Relative Humidity: 10% to 95% non-condensing
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| Power
|
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- 100-240VAC, 50-60Hz
- EPS-470 required to support 15.4 Watts on all 48 ports. (24 Ports supported up to 15.4 Watts without)
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