Thiết bị mạng Cisco CBS220-24FP-4G

CBS220-24FP-4G ~~14.680.000₫~~ 13.700.000₫

28-Port Gigabit Ethernet PoE Smart Switch CISCO CBS220-24FP-4G-EU - Total system ports: 28 Gigabit Ethernet. - Support 24-port PoE Gigabit Ethernet and 4-port Gigabit Ethernet SFP. - Number of Ports That Support PoE: 24. - MAC table: Up to 8.192 Media Access Control (MAC) addresses. - Flash: 64MB. - CPU memory: 256MB. - PoE Power Budget: 382W. -...

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28-Port Gigabit Ethernet PoE Smart Switch CISCO CBS220-24FP-4G-EU

- Total system ports: 28 Gigabit Ethernet.

- Support 24-port PoE Gigabit Ethernet and 4-port Gigabit Ethernet SFP.

- Number of Ports That Support PoE: 24.

- MAC table: Up to 8.192 Media Access Control (MAC) addresses.

- Flash: 64MB.

- CPU memory: 256MB.

- PoE Power Budget: 382W.

- Dimensions (W x D x H): 440 x 257 x 44 mm.

- Weight: 4.10kg.

Đặc tính kỹ thuật

Model	CBS220-24FP-4G-EU
Performance
Switching capacity	Forwarding rate in millions of packets per second (mpps; 64-byte packets): 41.66
Switching capacity	Switching capacity in Gigabits per second (Gbps): 56
Layer 2 switching
MAC table	Up to 8,192 Media Access Control (MAC) addresses
Spanning Tree Protocol (STP)	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	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 Load balance based on source and destination MAC address, or source and destination MAC/IP
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	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
Jumbo frame	Frame sizes up to 9,216 supported
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, Transmission Control Protocol (TCP)/ User Datagram Protocol (UDP) source and destination ports, 802.1p priority, Ethernet type, Internet Control Message Protocol (ICMP) packets, Internet Group Management Protocol (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: Remote Authentication Dial-in User Service (RADIUS) authentication; guest VLAN; Single-host, multiple-host, and multisession mode
RADIUS, TACACS+	Supports RADIUS and Terminal Access Controller Access Control System (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
QoS
Priority levels	8 hardware queues per port
Scheduling	Strict priority and Weighted Round-Robin (WRR) queue assignment based on 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), and DSCP-based; Differentiated Services (DiffServ); classification and re-marking ACLs, trusted QoS
Rate limiting	Ingress policer; egress shaping and rate control; per VLAN, per port, and flow-based
Congestion avoidance	A TCP congestion avoidance algorithm is required to reduce and prevent global TCP loss synchronization

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