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Switch Cisco SG250-08

Giá: Liên hệ

MSSP: SG250-08

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Hỗ trợ trực tuyến

Vũ Huy Sơn

Bộ chuyển mạch thông minh 8 cổng Gigabit CISCO SG250-08-K9-EU

8 cổng mạng RJ45 10/100/1000 Mbps (hỗ trợ đầu vào nguồn PoE +).

1 cổng USB để backup cấu hình

Khả năng chuyển mạch : 16 Gbps

Tốc độ chuyển tiếp : 11,9 Mpps

Tính năng Layer 2 : Nhóm cổng lên đến 4 nhóm, tối đa 8 cổng mỗi nhóm với 16 cổng ứng cử viên cho mỗi tập hợp liên kết 802.3ad (động).

Tính năng Layer 3 : Định tuyến IPv4 Định tuyến tốc độ dây của gói IPv4 lên đến 32 tuyến tĩnh và lên đến 16 giao diện IP, định tuyến IPv6 Định tuyến tốc độ dây của gói IPv6, Định tuyến liên miền không phân lớp (CIDR) Hỗ trợ CIDR.

Nguồn PoE: 195 W

Số cổng hỗ trợ PoE : 24 cổng

QoS (Chất lượng dịch vụ): Mức độ ưu tiên 8 hàng đợi phần cứng, Lập lịch biểu Mức độ ưu tiên nghiêm ngặt và chỉ định hàng đợi vòng tròn có trọng số (WRR) dựa trên DSCP và loại dịch vụ (802.1p / CoS).

Model	SG250-08-K9-EU
Performance
Switching capacity and forwarding rate	Capacity in Millions of Packets per Second (mpps) (64-byte packets): 11.9 Switching Capacity in Gigabits per Second (Gbps): 16
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	8 Gigabit Ethernet
RJ-45 ports	8 Gigabit Ethernet
Layer 2 Switching
Spanning Tree Protocol (STP)	Standard 802.1d STP support 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 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) 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
Environmental
Dimensions (W x H x D)	160 x 30 x 128 mm
Unit weight	0.54 kg
Power	100 to 240V 50 to 60 Hz, external

Model	SG250-08-K9-EU
Performance
Switching capacity and forwarding rate	Capacity in Millions of Packets per Second (mpps) (64-byte packets): 11.9 Switching Capacity in Gigabits per Second (Gbps): 16
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	8 Gigabit Ethernet
RJ-45 ports	8 Gigabit Ethernet
Layer 2 Switching
Spanning Tree Protocol (STP)	Standard 802.1d STP support 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 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) 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
Environmental
Dimensions (W x H x D)	160 x 30 x 128 mm
Unit weight	0.54 kg
Power	100 to 240V 50 to 60 Hz, external