Thiết bị chia mạng Cisco SG250-50-K9-EU Smart Switch

Thương hiệu: Cisco

Mã SP:

Danh mục: Bộ chia mạng switch

14,099,000₫

- Cổng giao tiếp: Cisco SG250-50 50-Port
- Tốc độ LAN: 10/100/1000Mbps
- Mô tả khác: Cisco SG250-50 50-Port Gigabit Smart Switch

Thời gian bảo hành : 12 tháng

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Thiết bị chia mạng Cisco SG250-50-K9-EU Smart Switch

SG250-50 là bộ switch quản lý của thương hiệu Cisco, được thiết kế chuyên để sử dụng cho các doanh nghiệp lớn với đầy đủ tính năng cao cấp và bảo mật. Cisco SG250-50 được trang bị 48 cổng LAN 1Gb/s, 2 cổng SFP 1Gb/s với băng thông switch lên tới 100Gb/s và dung lượng truyền tải gói tin đạt 74.41mp/s, đem lại khả năng chịu tải rất tốt.

Thiết bị chia mạng Cisco SG250-50-K9-EU Smart Switch

Về phần tính năng, SG250-50 hỗ trợ rất nhiều tính năng hỗ trợ cho việc quản lý hạ tầng mạng như giao diện dễ sử dụng, có khả năng chia sẻ thông tin với các thiết bị Cisco khác trong hệ thống, SNMP, VLAN, STP,.... cùng với các tính năng bảo mật mạnh mẽ như ACL, Port security, ngăn chặn DoS.... đem lại cho người quản trị mạng những công cụ cần thiết để quản lý một hệ thống mạng.

Một đặc điểm nổi bật khác của SG250-50 là khả năng hỗ trợ định tuyến và tính năng QoS hỗ trợ trong việc kết nối các khu vực khác nhau trong hệ thống mạng và quản lý luồng dữ liệu.

Thiết bị chia mạng Cisco SG250-50-K9-EU Smart Switch

Với số lượng cổng kết nối và công suất hoạt động lớn SG250-50 được trang bị 1 quạt làm mát và rất nhiều lỗ thoát hơi nằm ở hai bên hông nhằm ổn định nhiệt độ hoạt động, cho phép SG250-50 có khả năng hoạt động ổn định trong môi trường có nhiệt độ giao động từ 0 tới 50 độ C.

THÔNG SỐ KỸ THUẬT

Model	SG250-50-K9-EU
Performance
Switching capacity and forwarding rate	Capacity in Millions of Packets per Second (mpps) (64-byte packets): 74.41
Switching capacity and forwarding rate	Switching Capacity in Gigabits per Second (Gbps): 100
Jumbo frames	Frame sizes up to 10 KB supported on 10/100 and Gigabit Ethernet interfaces (9 KB for SG200-08 and SG200-08P)
MAC table	Up to 8,000 MAC addresses
Total system ports	50 Gigabit Ethernet
RJ-45 ports	48 Gigabit Ethernet
Uplink ports	2 Gigabit Ethernet combo
Layer 2 Switching
Spanning Tree Protocol (STP)	Standard 802.1d STP support
Spanning Tree Protocol (STP)	Fast convergence using 802.1w (Rapid Spanning Tree [RSTP]), enabled by default
Port grouping	Support for IEEE 802.3ad Link Aggregation Control Protocol (LACP): Up to 4 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). 16 VLANs supported in SG200-08 and SG200-08P
VLAN	Port-based and 802.1Q tag-based VLANs
Voice VLAN	Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS
Internet Group Management Protocol (IGMP) versions 1 and 2 snooping	IGMP limits bandwidth-intensive multicast traffic to only the requesters; supports 256 multicast groups (16 for SG200-08 and SG200-08P)
Head-of-line (HOL) blocking	HOL blocking prevention
Security
IEEE 802.1X (Authenticator role)	802.1X: RADIUS authentication, MD5 hash
Port security	Locks MAC addresses to ports, and limits the number of learned MAC addresses
Storm control	Broadcast, multicast, and unknown unicast
DoS prevention	DoS attack prevention
Quality of Service
Priority levels	4 hardware queues
Scheduling	Strict priority and weighted round-robin (WRR)
Scheduling	Queue assignment based on differentiated services code point (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)
Rate limiting	Ingress policer, per VLAN and per port
Power over Ethernet
802.3af PoE or 802.3at PoE+ delivered over any of the RJ-45 network ports within the listed power budgets	Switches support 802.3af, 802.3at, and Cisco pre-standard (legacy) PoE with maximum power of 30 W per port.
	This applies to the following PoE-enabled models; the maximum number of ports providing PoE power simultaneously is determined by the total PoE budget for the switch listed as below:
	PoE Power Budget: 45 W
	Number of Ports That Support PoE: 8
Pre-standard PoE	Support Cisco Pre-Standard PoE
Intelligent PoE power management	Support the granular power negotiation with CDP/LLDP communication with PD devices after IEEE classification
Environmental
Dimensions (W x H x D)	440 x 44 x 257 mm
Unit weight	2.94 kg
Power	100 to 240V 50 to 60 Hz, internal, universal