Cisco Switch SF220-48-K9-EU
- 48 cổng 10/100 + 2 cổng kết hợp Gigabit / SFP.
- Hiệu suất: Công suất chuyển đổi 13,6 Gbps, Tốc độ chuyển tiếp 10,12 mpps hiệu suất tốc độ dây.
- Layer 2: Cổng nhóm tối đa 8 nhóm, tối đa 8 cổng mỗi nhóm với 16 cổng ứng cử viên cho mỗi tập hợp liên kết 802.3ad (động).
- QoS (Chất lượng dịch vụ): Mức độ ưu tiên 8 hàng đợi phần cứng. Lập lịch ưu tiên nghiêm ngặt và phân bổ vòng tròn có trọng số (WRR). Dựa trên DSCP và lớp dịch vụ (802.1p / CoS).
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Model |
SF220-48-K9-EU |
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Performance |
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Switching capacity and forwarding rate |
Capacity in Millions of Packets per Second (mpps) (64-byte packets): 10.12
Switching Capacity in Gigabits per Second (Gbps): 13.6 |
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Jumbo frames |
Frame sizes up to 10 KB supported on 10/100 and Gigabit Ethernet interfaces (9 KB for SG200-08 and SG200-08P) |
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MAC table |
Up to 8,000 MAC addresses |
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Total system ports |
48 Fast Ethernet plus 2 Gigabit Ethernet |
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RJ-45 ports |
48 Fast Ethernet |
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Uplink ports |
2 Gigabit Ethernet combo |
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Layer 2 Switching |
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Spanning Tree Protocol (STP) |
Standard 802.1d STP support
Fast convergence using 802.1w (Rapid Spanning Tree [RSTP]), enabled by default |
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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 |
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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 |
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Voice VLAN |
Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS |
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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) |
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Head-of-line (HOL) blocking |
HOL blocking prevention |
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Security |
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IEEE 802.1X (Authenticator role) |
802.1X: RADIUS authentication, MD5 hash |
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Port security |
Locks MAC addresses to ports, and limits the number of learned MAC addresses |
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Storm control |
Broadcast, multicast, and unknown unicast |
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DoS prevention |
DoS attack prevention |
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Quality of Service |
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Priority levels |
4 hardware queues |
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Scheduling |
Strict priority and weighted round-robin (WRR)
Queue assignment based on differentiated services code point (DSCP) and class of service (802.1p/CoS) |
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Class of service |
Port based, 802.1p VLAN priority based, IPv4/v6 IP precedence/type of service (ToS)/DSCP based, Differentiated Services (DiffServ) |
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Rate limiting |
Ingress policer, per VLAN and per port |
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Environmental |
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Dimensions (W x H x D) |
440 x 44 x 201 mm |
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Unit weight |
2.98 kg |
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Power |
100V-240V 47-63 Hz, internal, universal |