Switch chia mạng Cisco SF300-24 24Port 10/100Mbps

Giới thiệu chung Switch chia mạng Cisco 24Port 10/100Mbps - Cisco SF300-24

Switch chia mạng Cisco 24Port 10/100Mbps - Cisco SF300-24 là một thiết bị quan trọng dùng để kết nối các đoạn mạng với nhau theo mô hình mạng hình sao (Star). Theo mô hình này, switch đóng vai trò là thiết bị trung tâm, tất cả các máy tính đều được nối về đây trong một hệ thống mạng

Tính năng switch mạng Cisco 24Port 10/100Mbps - Cisco SF300-24 - Product ID Number: SRW224G4-K9 - 24-port 10/100 + 4-Port Gigabit - 24 10/100Mbps ;2 10/100/1000Mbps ports; 2 Combo mini-GBIC ports - Performance: Switching capacity 12.8 Gbps, nonblocking, Forwarding rate 9.52 mpps wire-speed performance - Layer 2: Port grouping up to 8 ports per group with 16 candidate ports for each 802.3ad link aggregation, Number of VLANs 256 active VLANs, 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 (CIDR) support for CIDR - QoS: Priority levels 4 : hardware queues, Scheduling: Priority queuing and weighted round-robin, Queue assignment based on DSCP and class of service (802.1p/CoS) Cisco 24Port 10/100Mbps - Cisco SF300-24 hiệu suất cao và sử dụng công nghệ tiên tiến - Hỗ trợ cho các công nghệ tiên tiến: Tất cả các thiết bị chuyển mạch Cisco bao gồm các tính năng giao thông xử lý tiên tiến để giữ cho các ứng dụng chạy ở hiệu suất cao điểm. . Tích hợp QoS thông minh trên tất cả các mô hình tự động ưu tiên dịch vụ chậm trễ nhạy cảm như thoại hoặc video để cải thiện hiệu suất mạng. . Fast store-and-forward switching xác định các gói tin bị hư hỏng và ngăn ngừa chúng khỏi bị truyền qua mạng. Tất cả những tính năng chạy tự động, không có quản lý hoặc cấu hình yêu cầu - Cisco 24Port 10/100Mbps - Cisco SF300-24 mang hiệu suất mà cao để chạy các ứng dụng viễn thông, bao gồm cả các dịch vụ video băng thông. Nâng cao công suất và hiệu suất truyền tải, cho phép bạn chuyển các tập tin lớn trong vài giây Thông số kỹ thuật

Performance
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
Ports	24x RJ-45 Fast Ethernet
	2x RJ-45 Gigabit Ethernet
	2x RJ-45 + SFP Gigabit Ethernet Combo Ports
Speed	Switching Capacity in Gigabits per Second (Gbps): 12.8
	Capacity in Millions of Packets per Second (mpps) with each packet being 64-bytes: 9.52
MAC Address Table Size	Up to 8000 MAC addresses
Frame Sizes	Jumbo Frames: up to 10 KB supported on 10/100 and Gigabit interfaces
Switching Method	Managed
Layer 2 Switching	Spanning Tree Protocol (STP):
	Standard 802.1d Spanning Tree support
	Fast convergence using 802.1w (Rapid Spanning Tree [RSTP]), enabled by default
	Multiple Spanning Tree instances using 802.1s (MSTP)
	Port grouping:
	Support for IEEE 802.3ad Link Aggregation Control Protocol (LACP)
	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 (PVE), also known as protected ports, with multiple uplinks
	Guest VLAN
	Unauthenticated VLAN
	Voice Lan:
	Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS
	Generic VLAN Registration Protocol (GVRP)/Generic Attribute Registration Protocol (GARP):
	Protocols for automatically propagating and configuring VLANs in a bridged domain
	Dynamic Host Configuration Protocol (DHCP) Relay at Layer 2:
	Relay of DHCP traffic to DHCP server in different VLAN. Works with DHCP Option 82
	Internet Group Management Protocol (IGMP) 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 (CIDR):
	Support for CIDR
	DHCP relay at Layer 3:
	Relay of DHCP traffic across IP domains
	User Datagram Protocol (UDP) relay:
	Relay of broadcast information across Layer 3 domains for application discovery or relaying of BootP/DHCP packets
Security	Secure Shell Protocol (SSH):
	SSH secures Telnet traffic to and from the switch; SSH v1 and v2 are supported
	Secure Sockets Layer (SSL):
	SSL support: Encrypts all HTTPS traffic, allowing highly secure access to the browser-based management GUI in the switch
	IEEE 802.1X (Authenticator role):
	802.1X: 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
	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 (DSCP)/IP precedence, TCP/ UDP source and destination ports, 802.1p priority, Ethernet type, Internet Control Message Protocol (ICMP) packets, IGMP packets, TCP flag
Quality of Service	Priority Levels: 4 hardware queues
	Scheduling:
	Strict priority and weighted round-robin (WRR)
	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 (ToS)/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
IPv6	IPv6:
	IPv6 host mode
	IPv6 over Etheret
	Dual IPv6/IPv4 stack
	IPv6 neighbor and router discovery (ND)
	IPv6 stateless address auto-configuration
	Path maximum transmission unit (MTU) discovery
	Duplicate address detection (DAD)
	ICMP version 6
	IPv6 over IPv4 network with Intra-Site Automatic Tunnel Addressing Protocol(ISATAP) support
	IPv6 QoS
	Prioritize IPv6 packets in hardware
	IPv6 ACL
	Drop or rate limit IPv6 packets in hardware
	Multicast Listener Discovery (MLD) snooping
	Deliver IPv6 multicast packets only to the required receivers
	IPv6 applications
	Web/SSL, Telnet server/SSH, ping, traceroute, Simple Network Time Protocol (SNTP), Trivial File Transfer Protocol (TFTP), 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
Cable	Unshielded twisted pair (UTP) Category 5 or better for 10BASE-T/100BASE-TX; UTP Category 5 Ethernet or better for 1000 BASE-T
Buttons	Reset button
LED	System, Link/Act, Speed
Memory	CPU: 128 MB
	Flash: 16 MB
Buffer	Packet Buffer: 4 Mb
Certification	UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A
General
Form Factor	1U
Power Requirements	100-240V 47-63 Hz, internal, universal
Dimensions (WxHxD)	17.3 x 1.45 x 13.78' / 44 x 4.44 x 25.7 cm
Weight	6.81 lb / 3.09 kg

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