| Model |
SG220-50P |
| Performance |
| Switching capacity and forwarding rate |
Capacity in Millions of Packets per Second (mpps) (64-byte packets): 74.4
Switching Capacity in Gigabits per Second (Gbps): 100 |
| Jumbo frames |
Frame sizes up to 9216 supported |
| MAC table |
Up to 8192 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 8 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
Port-based and 802.1Q tag-based VLANs
Management VLAN
Guest VLAN |
| Auto voice VLAN |
Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS |
| QinQ VLAN |
VLANs transparently cross a service provider network while isolating traffic among customers |
| Generic VLAN Registration Protocol (GVRP) and Generic Attribute Registration Protocol (GARP) |
Protocols for automatically propagating and configuring VLANs in a bridged domain |
| Head-Of-Line (HOL) blocking |
HOL blocking prevention |
| Loopback detection |
Loopback detection provides protection against loops by transmitting loop protocol packets out of ports on which loop protection has been enabled. It operates independently of STP. |
| Automatic Media-Dependent Interface Crossover (MDIX) |
Automatically adjusts transmit and receive pairs if an incorrect cable type (crossover or straight-through) is installed. |
| Security |
| ACLs |
Drop or rate limit based on source and destination MAC, VLAN ID or IP address, protocol, port, Differentiated Services Code Point (DSCP)/IP precedence, TCP/UDP source and destination ports, 802.1p priority, Ethernet type, Internet Control Message Protocol (ICMP) packets, IGMP packets, TCP flag
Support up to 512 rules |
| Port security |
Creates the ability to lock source MAC addresses to ports; limits the number of learned MAC addresses |
| IEEE 802.1X (authenticator role) |
802.1X: RADIUS authentication; guest VLAN; |
| RADIUS, TACACS+ |
Supports RADIUS and TACACS authentication; switch functions as a client |
| MAC address filtering |
Supported |
| Storm control |
Broadcast, multicast, and unknown unicast |
| DoS protection |
DOS attack prevention |
| STP Bridge Protocol Data Unit (BPDU) Guard |
This security mechanism protects the network from invalid configurations. A port enabled for BPDU Guard is shut down if a BPDU message is received on that port |
| Spanning Tree Loop Guard |
This feature provides additional protection against Layer 2 forwarding loops (STP loops). |
| Secure Shell (SSH) Protocol |
SSH is a secure replacement for Telnet traffic. SCP also uses SSH. SSH v1 and v2 are supported |
| Secure Sockets Layer (SSL) |
SSL support: Encrypts all HTTPS traffic, allowing highly secure access to the browser-based management GUI in the switch |
| Quality of Service |
| Priority levels |
8 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: 375 W
Number of Ports That Support PoE: 48 |
| 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 350 mm |
| Unit weight |
5.28 kg |
| Power |
100 to 240V 50 to 60 Hz, internal |
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