BRAND NEW Cisco SG300-52P-K9-NA 52-Ports 10/100/1000 Gigabit Managed PoE+ Switch For Sale

BRAND NEW Cisco SG300-52P-K9-NA 52-Ports 10/100/1000 Gigabit Managed PoE+ Switch


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BRAND NEW Cisco SG300-52P-K9-NA 52-Ports 10/100/1000 Gigabit Managed PoE+ Switch:
$500

Performance Capacity in Mpps (64-byte packets): 77.38
Switching Capacity in Gbps: 104 Layer 2 Switching Spanning Tree Protocol: Standard 802.1d Spanning Tree support
Fast convergence using 802.1w (Rapid Spanning Tree), enabled by default
Multiple Spanning Tree instances using 802.1s Port Grouping: Support for IEEE 802.3ad Link Aggregation Control Protocol
• Up to 8 groups
• Up to 8 ports per group with 16 candidate ports for each (dynamic) 802.3ad link aggregation VLAN: Support for up to 256 VLANs simultaneously (out of 4096 VLAN IDs)
Port-based and 802.1Q tag-based VLANs
MAC-based VLAN
Management VLAN
Private VLAN Edge, also known as protected ports, with multiple uplinks
Guest VLAN
Unauthenticated VLAN Voice VLAN: Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS Q-in-Q VLAN: VLANs transparently cross a service provider network while isolating traffic among customers Generic VLAN Registration Protocol/Generic Attribute Registration Protocol: Protocols for automatically propagating and configuring VLANs in a bridged domain Dynamic Host Configuration Protocol Relay at Layer 2: Relay of DHCP traffic to DHCP server in different VLAN. Works with DHCP Option 82 Internet Group Management Protocol Versions 1, 2 and 3 snooping: IGMP limits bandwidth-intensive multicast traffic to only the requesters; supports 256 multicast groups (source-specific multicasting is also supported) IGMP Querier: IGMP querier is used to support a Layer 2 multicast domain of snooping switches in the absence of a multicast router Head-of-Line (HOL) Blocking: HOL blocking prevention Layer 3 IPv4 Routing: Wirespeed routing of IPv4 packets
Up to 32 static routes and up to 32 IP interfaces Classless Inter-Domain Routing: Support for CIDR DHCP Relay at Layer 3: Relay of DHCP traffic across IP domains User Datagram Protocol Relay: Relay of broadcast information across Layer 3 domains for application discovery or relaying of BootP/DHCP packets Security Secure Shell Protocol: SSH secures Telnet traffic to and from the switch; SSH v1 and v2 are supported Secure Sockets Layer: SSL support: Encrypts all HTTPS traffic, allowing highly secure access to the browser-based management GUI in the switch IEEE 802.1X (Authenticator role): RADIUS authentication and accounting, MD5 hash; guest VLAN; unauthenticated VLAN, single/multiple host mode and single/multiple sessions
Supports time-based 802.1X
Dynamic VLAN assignment STP Bridge Protocol Data Unit Guard: A security mechanism to protect the network from invalid configurations.
A port enabled for BPDU Guard is shut down if a BPDU message is received on that port Secure Core Technology: Ensures that the switch will receive and process management and protocol traffic no matter how much traffic is received Layer 3 Isolation: Allow/disallow routing between IP subnets or directly connected IP networks Layer 2 Isolation Private VLAN Edge (PVE) with community VLAN: PVE (also known as protected ports) provides Layer 2 isolation between devices in the same VLAN, supports multiple uplinks Port Security: Locks MAC addresses to ports, and limits the number of learned MAC addresses RADIUS/TACACS+: Supports RADIUS and TACACS authentication. Switch functions as a client Storm Control: Broadcast, multicast and unknown unicast DoS Prevention: DoS attack prevention Congestion Avoidance: A TCP congestion avoidance algorithm is required to minimize and prevent global TCP loss synchronization. ACLs: Support for up to 512 rules
Drop or rate limit based on source and destination MAC, VLAN ID or IP address, protocol, port, differentiated services code point/IP precedence, TCP/ UDP source and destination ports, 802.1p priority, Ethernet type, Internet Control Message Protocol packets, IGMP packets, TCP flag Quality of Service Priority Levels: 4 hardware queues Scheduling: Strict priority and weighted round-robin
Queue assignment based on DSCP and class of service (802.1p/CoS) Class of Service: Port based; 802.1p VLAN priority based; IPv4/v6 IP precedence/type of service/DSCP based; Differentiated Services (DiffServ); classification and re-marking ACLs, trusted QoS Rate Limiting: Ingress policer; egress shaping and rate control; per VLAN, per port and flow based Standards IEEE 802.3 10BASE-T Ethernet, IEEE 802.3u 100BASE-TX Fast Ethernet, IEEE 802.3ab 1000BASE-T Gigabit Ethernet, IEEE 802.3ad LACP, IEEE 802.3z Gigabit Ethernet, IEEE 802.3x Flow Control, IEEE 802.1D (STP, GARP, and GVRP),IEEE 802.1Q/p VLAN, IEEE 802.1w RSTP, IEEE 802.1s Multiple STP, IEEE 802.1X Port Access Authentication, IEEE 802.3af, IEEE 802.3at, RFC 768, RFC 783, RFC 791, RFC 792, RFC 793, RFC 813, RFC 879, RFC 896, RFC 826, RFC 854, RFC 855, RFC 856, RFC 858, RFC 894, RFC 919, RFC 922, RFC 920, RFC 950, RFC 951, RFC 1042, RFC 1071, RFC 1123, RFC 1141, RFC 1155, RFC 1157, RFC 1350, RFC 1533, RFC 1541, RFC 1542, RFC 1624, RFC 1700, RFC 1867, RFC 2030, RFC 2616, RFC 2131, RFC 2132, RFC 3164, RFC 3411, RFC 3412, RFC 3413, RFC 3414, RFC 3415, RFC 2576, RFC 4330, RFC 1213, RFC 1215, RFC 1286, RFC 1442, RFC 1451, RFC 1493, RFC 1573, RFC 1643, RFC 1757, RFC 1907, RFC 2011, RFC 2012, RFC 2013, RFC 2233, RFC 2618, RFC 2665, RFC 2666, RFC 2674, RFC 2737, RFC 2819, RFC 2863, RFC 1157, RFC 1493, RFC 1215, RFC 3416 IPv6 IPv6: IPv6 host mode
IPv6 over Ethernet
Dual IPv6/IPv4 stack
IPv6 neighbor and router discovery
IPv6 stateless address auto-configuration
Path maximum transmission unit discovery
Duplicate address detection
ICMP version 6
IPv6 over IPv4 network with Intra-Site Automatic Tunnel Addressing Protocol support IPv6 QoS: Prioritize IPv6 packets in hardware IPv6 ACL: Drop or rate limit IPv6 packets in hardware Multicast Listener Discovery Snooping: Deliver IPv6 multicast packets only to the required receivers IPv6 Applications: Web/SSL, Telnet server/SSH, ping, traceroute, Simple Network Time Protocol, Trivial File Transfer Protocol, SNMP, RADIUS, syslog, DNS client, protocol-based VLANs IPv6 RFCs Supported: RFC 2463 - ICMP version 6
RFC 3513 - IPv6 address architecture
RFC 4291 - IPv6 addressing architecture
RFC 2460 - IPv6 specification
RFC 2461 - Neighbor discovery for IPv6
RFC 2462 - IPv6 stateless address auto-configuration
RFC 1981 - Path MTU discovery
RFC 4007 - IPv6 scoped address architecture
RFC 3484 - Default address selection mechanism
RFC 4214 - ISATAP tunneling
RFC 4293 - MIB IPv6: Textual conventions and general group
RFC 3595 - Textual conventions for IPv6 flow label Management Web User Interface: Built-in switch configuration utility for easy browser-based device configuration (HTTP/HTTPS). Supports configuration, system dashboard, system maintenance and monitoringSNMP: SNMP versions 1, 2c, and 3 with support for traps, and SNMP version 3 user-based security modelRemote Monitoring: Embedded RMON software agent supports 4 RMON groups (history, statistics, alarms and events) for enhanced traffic management, monitoring and analysisIPv4 and IPv6 Dual Stack: Coexistence of both protocol stacks to ease migrationFirmware Upgrade: Web browser upgrade (HTTP/HTTPS) and TFTP
Upgrade can be initiated through console port as well
Dual images for resilient firmware upgradesPort Mirroring: Traffic on a port can be mirrored to another port for analysis with a network analyzer or RMON probe. Up to 8 source ports can be mirrored to one destination port. A single session is supportedVLAN Mirroring: Traffic from a VLAN can be mirrored to a port for analysis with a network analyzer or RMON probe. Up to 8 source VLANs can be mirrored to one destination port. A single session is supportedDynamic Host Configuration Protocol (Options 66, 67, 82, 129 and 150): DHCP Options facilitate tighter control from a central point (DHCP server) to obtain IP address, auto-configuration (with configuration file download) and DHCP relayText-Editable Config Files: Config files can be edited with a text editor and downloaded to another switch, facilitating easier mass deploymentSmartports: Simplified configuration of QoS and security capabilitiesAuto Smartports: Applies the intelligence delivered through the Smartport roles and applies it automatically to the port based on the devices discovered over CDP or LLDP-MED. This facilitates zero touch deploymentsTextview CLI: Scriptable command-line interface. A full CLI as well as a menu-based CLI is supportedCloud Services: Support for Cisco Small Business FindIT Network Discovery UtilityLocalization: Localization of GUI and documentation into multiple languagesOther Management: Traceroute; single IP management; HTTP/HTTPS; SSH; RADIUS; port mirroring; TFTP upgrade; DHCP client; BOOTP; SNTP; Xmodem upgrade; cable diagnostics; ping; syslog; Telnet client (SSH secure support) Power Efficiency Energy Detect: Automatically turns off power off on Gigabit Ethernet RJ-45 port when detecting link down
Active mode is resumed without loss of any packets when the switch detects the link up Cable Length Detection: Adjusts the signal strength based on the cable length. It reduces the power consumption for cables shorter than 10 m General Features Jumbo Frames: Frame sizes up to 10 KB supported on 10/100 and Gigabit interfaces MAC Table: Up to 8000 MAC addresses Discovery Bonjour: The switch advertises itself using the Bonjour protocolLink Layer Discovery Protocol (802.1ab) with LLDP-MED extensions: LLDP allows the switch to advertise its identification, configuration and capabilities to neighboring devices that store the data in a MIB. LLDP-MED is an enhancement to LLDP that adds the extensions needed for IP phonesCisco Discovery Protocol: The switch advertises itself using the Cisco Discovery Protocol PoE Ports 48 Power Over Ethernet 375 W (PoE+ supported) Power Consumption Power Savings Mode:
Energy Detect Short Reach
System Power Consumption:
110 V=61.25 W
220 V=61.46 W
Power Consumption Case (with PoE):
110 V=473.62 W
220 V=461.88 W
Heat Dissipation Worst Case (BTU/hr):
1617.29 Ports Total System Ports: 52 Gigabit Ethernet
PoE+ Ports: 48 PoE+ ports with 375 W power budget
RJ-45 Ports: 50 Gigabit Ethernet
Combo Ports (RJ-45 + SFP): 2 Gigabit Ethernet Combo Buttons Reset button Cabling Type Unshielded twisted pair Category 5 or better for 10BASE-T/100BASE-TX; UTP Category 5 Ethernet or better for 1000BASE-T LEDs System, Link/Act, Speed Flash 16 MB CPU 128 MB memory Packet Buffer Memory 8 MB x 2 Power Supply 100-240V 50-60 Hz, internal, universal Fan 2 pcs Acoustic Noise 46.9 dB MTBF @ 40°C (hours):
100,262 (at 45°C)
80,562 (at 50°C) Certifications UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A Environmental Requirements Operating Temperature: 32 to 104°F (0 to 40°C)
Storage Temperature: -4 to 158°F (-20 to 70°C)
Operating Humidity: 10 to 90%, relative, non condensing
Storage Humidity: 10 to 90%, relative, non condensing MINIMUM REQUIREMENTS Web Browser: Mozilla Firefox version 2.5 or later; Microsoft Internet Explorer version 6 or later
Category 5 Ethernet network cable
TCP/IP, network adapter and network operating system (such as Microsoft Windows, Linux or Mac OS X) installed on each computer in the network Dimensions (DxWxH) 17.3 x 1.45 x 10.1" / 440 x 36.83 x 257 mm Weight 11.68 lb / 5.32 kg

*CISCOSW5*


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