| 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 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
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 |
| 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 |
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