Cisco Switch SG250-18-K9-EU
16 10/100/1000 ports + 2 Gigabit copper/SFP combo ports.
- Performance: Switching capacity 36 Gbps, Forwarding rate 26.78 mpps wire-speed performance.
- Layer 2: Port grouping up to 4 groups, up to 8 ports per group with 16 candidate ports for each (dynamic) 802.3ad link aggregation.
- Layer 3: IPv4 routing Wire-speed routing of IPv4 packets up to 32 static routes and up to 16 IP interfaces, IPv6 routing Wire-speed routing of IPv6 packets, Classless Interdomain Routing (CIDR) Support for CIDR.
- QoS (Quality of Service): Priority levels 8 hardware queues, Scheduling Strict priority and weighted round-robin (WRR) Queue assignment based on DSCP and class of service (802.1p/CoS).
Đặc tính kỹ thuật
|
Model |
SG250-18-K9-EU |
|
Performance |
|
Switching capacity and forwarding rate |
Capacity in Millions of Packets per Second (mpps) (64-byte packets): 26.78
Switching Capacity in Gigabits per Second (Gbps): 36 |
|
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 |
18 Gigabit Ethernet |
|
RJ-45 ports |
16 Gigabit Ethernet |
|
Uplink ports |
2 Gigabit Ethernet combo |
|
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) |
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Head-of-line (HOL) blocking |
HOL blocking prevention |
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Security |
|
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 |
|
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) |
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Rate limiting |
Ingress policer, per VLAN and per port |
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Environmental |
|
Dimensions (W x H x D) |
440 x 44 x 202 mm |
|
Unit weight |
2.08 kg |