Thiết bị chuyển mạch Cisco Business CBS220-48T-4G-EU

MAC table:
- Up to 8,192 Media Access Control (MAC) addresses
Spanning Tree Protocol:
- Standard 802.1d Spanning Tree support, enabled by default
- Fast convergence using 802.1w (Rapid Spanning Tree [RSTP])
- Multiple Spanning Tree instances using 802.1s (MSTP)
- 16 instances are supported
Port grouping/link aggregation:
- 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 Virtual Local Area Networks (VLANs) simultaneously
- Port-based and 802.1Q tag-based VLANs
- Management VLAN
- Guest VLAN
Auto voice VLAN
QinQ VLAN
Generic VLAN Registration Protocol (GVRP) and Generic Attribute Registration Protocol (GARP)
Head-of-Line (HOL) blocking: HOL blocking prevention
Jumbo frame: Frame sizes up to 9,216 supported
Loopback detection
Automatic Media-Dependent Interface Crossover (MDIX)

ACLs Support for up to 512 rules
Port security
IEEE 802.1X (Authenticator role)
RADIUS, TACACS+
MAC address filtering
Storm control
DoS protection
STP Bridge Protocol Data Unit (BPDU) Guard
Spanning Tree Loop Guard
Secure Shell (SSH) Protocol
Secure Sockets Layer (SSL)

Cisco Business Dashboard
Cisco Business mobile app
Cisco Network Plug and Play (PnP) agent
Web user interface
Text-editable config files
Command-line interface
SNMP
Standard Management Information Bases (MIBs)
Remote Monitoring (RMON)
IPv4 and IPv6 dual stack
Port mirroring
DHCP (Option 12, 66, 67, 82, 129, and 150)
Time synchronization
Login banner
HTTP/HTTPS; TFTP upgrade; DHCP client; Bootstrap Protocol (BOOTP); cable diagnostics; ping; traceroute; syslog

Unshielded Twisted Pair (UTP) Category 5 or better for 10BASE-T/100BASE-TX; UTP Category 5 Ethernet or better for 1000BASE-T