|Switch Managed||L2/L3 Managed|
|Port RJ45||24 Port|
|POE Standard||802.3af/at (30W)|
|POE Port||24 Port|
|Uplink Port Gigabit||Yes|
|SFP Port Gigabit||Yes|
Cisco SG350-28P L3-Managed POE Switch 24 Port Gigabit พร้อม 2 Port Combo, จ่ายไฟ POE มาตรฐาน 802.3af/at จำนวน 24 Port กำลังไฟสูงสุด 195W รองรับ SFP Module หรือ เลือกเป็น Port Lan ความเร็ว Gigabit 2 Port รองรับ Static Routing, VLANs ควบคุมผ่าน Web
เหมาะใช้สำหรับเชื่อมต่อกับระบบเครือข่ายภายในสำนักงานที่ต้องการความเร็วสูงสุดหรือทำเป็น Core Switch
2 พอร์ท Combo mini-GBIC (SFP)
26 Port ความเร็ว 10/100/1000Mbps แบบ RJ-45 (Support Auto-Negotiation and Auto MDI/X)
|Switching Capacity||Capacity in Millions of Packets per Second (64-byte packets)|
Switching Capacity in Gigabits per Second
Power Dedicated to PoE
Number of Ports That Support PoE
|USB Slot||For file-management purposes|
|Layer 2 Switching||Spanning Tree Protocol|
Standard 802.1d Spanning Tree support
Fast convergence using 802.1w (Rapid Spanning Tree [RSTP]), enabled by default
8 instances are supported
Multiple Spanning Tree instances using 802.1s (MSTP)
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
Support for up to 4096 VLANs simultaneously
Port-based and 802.1Q tag-based VLANs
Private VLAN Edge (PVE), also known as protected ports, with multiple uplinks
Dynamic VLAN assignment via RADIUS server along with 802.1x client authentication
Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS
Auto voice capabilities deliver network-wide zero-touch deployment of voice endpoints and call control devices
Multicast TV VLAN
Multicast TV VLAN allows the single multicast VLAN to be shared in the network while subscribers remain in separate VLANs (also known as MVR)
VLANs transparently cross a service provider network while isolating traffic among customers
Generic VLAN Registration Protocol (GVRP)/Generic Attribute Registration Protocol (GARP)
Protocols for automatically propagating and configuring VLANs in a bridged domain
Unidirectional Link Detection (UDLD)
UDLD monitors physical connection to detect unidirectional links caused by incorrect wiring or cable/port faults to prevent forwarding loops and blackholing of traffic in switched networks
Dynamic Host Configuration Protocol (DHCP) Relay at Layer 2
Relay of DHCP traffic to DHCP server in different VLAN; works with DHCP Option 82
Internet Group Management Protocol (IGMP) versions 1, 2, and 3 snooping
IGMP limits bandwidth-intensive multicast traffic to only the requesters; supports 1K multicast groups (source-specific multicasting is also supported)
IGMP querier is used to support a Layer 2 multicast domain of snooping switches in the absence of a multicast router
Head-of-line (HOL) blocking
HOL blocking prevention
Up to 9K (9216) bytes
|Layer 3 Routing||IPv4 routing|
Wirespeed routing of IPv4 packets
Up to 512 static routes and up to 128 IP interfaces
Classless Interdomain Routing (CIDR)
Support for CIDR
Layer 3 Interface
Configuration of Layer 3 interface on physical port, LAG, VLAN interface, or loopback interface
DHCP relay at Layer 3
Relay of DHCP traffic across IP domains
User Datagram Protocol (UDP) relay
Relay of broadcast information across Layer 3 domains for application discovery or relaying of bootP/DHCP packets
Switch functions as an IPv4 DHCP server serving IP addresses for multiple DHCP pools/scopes
Support for DHCP options
|Security||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
IEEE 802.1X (Authenticator role)
802.1X: RADIUS authentication and accounting, MD5 hash; guest VLAN; unauthenticated VLAN, single/multiple host mode and single/multiple sessions
Supports time-based 802.1X
Dynamic VLAN assignment
Web based authentication provides network admission control through web browser to any host devices and operating systems
STP Bridge Protocol Data Unit (BPDU) Guard
A security mechanism to protect the network from invalid configurations. A port enabled for BPDU Guard is shut down if a BPDU message is received on that port
STP Root Guard
This prevents edge devices not in the network administrator's control from becoming Spanning Tree Protocol root nodes
Filters out DHCP messages with unregistered IP addresses and/or from unexpected or untrusted interfaces. This prevents rogue devices from behaving as DHCP Servers
IP Source Guard (IPSG)
When IP Source Guard is enabled at a port, the switch filters out IP packets received from the port if the source IP addresses of the packets have not been statically configured or dynamically learned from DHCP snooping. This prevents IP Address Spoofing
Dynamic ARP Inspection (DAI)
The switch discards ARP packets from a port if there are no static or dynamic IP/MAC bindings or if there is a discrepancy between the source or destination addresses in the ARP packet. This prevents man-in-the-middle attacks
IP/MAC/Port Binding (IPMB)
The preceding features (DHCP Snooping, IP Source Guard, and Dynamic ARP Inspection) work together to prevent DOS attacks in the network, thereby increasing network availability
Secure Core Technology (SCT)
Makes sure that the switch will receive and process management and protocol traffic no matter how much traffic is received
Secure Sensitive Data (SSD)
A mechanism to manage sensitive data (such as passwords, keys, and so on) securely on the switch, populating this data to other devices, and secure autoconfig. Access to view the sensitive data as plaintext or encrypted is provided according to the user-configured access level and the access method of the user
Layer 2 isolation Private VLAN Edge (PVE) with community VLAN
PVE (also known as protected ports) provides Layer 2 isolation between devices in the same VLAN, supports multiple uplinks
The ability to lock source MAC addresses to ports and limits the number of learned MAC addresses
Supports RADIUS and TACACS authentication. Switch functions as a client
Broadcast, multicast, and unknown unicast
The RADIUS accounting functions allow data to be sent at the start and end of services, indicating the amount of resources (such as time, packets, bytes, and so on) used during the session
Denial-of-service (DOS) attack prevention
Support for up to 512 rules
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, time-based ACLs supported.
|Quality of Service (QoS)||Priority levels|
8 hardware queues
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)/DSCP based; differentiated services (DiffServ); classification and remarking ACLs, trusted QoS
Ingress policer; egress shaping and rate control; per VLAN, per port, and flow based
A TCP congestion avoidance algorithm is required to minimize and prevent global TCP loss synchronization.
|Standards||IEEE 802.3 10BASE-T Ethernet, IEEE 802.3u 100BASE-TX Fast Ethernet, IEEE 802.3ab 1000BASE-T Gigabit Ethernet, IEEE 802.3ad LACP, IEEE 802.3z Gigabit Ethernet, IEEE 802.3x Flow Control, IEEE 802.1D (STP, GARP, and GVRP), IEEE 802.1Q/p VLAN, IEEE 802.1w RSTP, IEEE 802.1s Multiple STP, IEEE 802.1X Port Access Authentication, IEEE 802.3af, IEEE 802.3at, RFC 768, RFC 783, RFC 791, RFC 792, RFC 793, RFC 813, RFC 879, RFC 896, RFC 826, RFC 854, RFC 855, RFC 856, RFC 858, RFC 894, RFC 919, RFC 922, RFC 920, RFC 950, RFC 1042, RFC 1071, RFC 1123, RFC 1141, RFC 1155, RFC 1157, RFC 1350, RFC 1533, RFC 1541, RFC 1624, RFC 1700, RFC 1867, RFC 2030, RFC 2616, RFC 2131, RFC 2132, RFC 3164, RFC 3411, RFC 3412, RFC 3413, RFC 3414, RFC 3415, RFC 2576, RFC 4330, RFC 1213, RFC 1215, RFC 1286, RFC 1442, RFC 1451, RFC 1493, RFC 1573, RFC 1643, RFC 1757, RFC 1907, RFC 2011, RFC 2012, RFC 2013, RFC 2233, RFC 2618, RFC 2665, RFC 2666, RFC 2674, RFC 2737, RFC 2819, RFC 2863, RFC 1157, RFC 1493, RFC 1215, RFC 3416|
IPv6 host mode
IPv6 over Ethernet
Dual IPv6/IPv4 stack
IPv6 neighbor and router discovery (ND)
IPv6 stateless address autoconfiguration
Path maximum transmission unit (MTU) discovery
Duplicate address detection (DAD)
ICMP version 6
IPv6 over IPv4 network with Intrasite Automatic Tunnel Addressing Protocol
USGv6 and IPv6 Gold Logo certified
Prioritize IPv6 packets in hardware
Drop or rate limit IPv6 packets in hardware
IPv6 First Hop Security
Neighbor binding table (snooping and static entries)
Neighbor binding integrity check
Multicast Listener Discovery (MLD v1/2) snooping
Deliver IPv6 multicast packets only to the required receivers
Web/SSL, Telnet server/SSH, ping, traceroute, Simple Network Time Protocol (SNTP), Trivial File Transfer Protocol (TFTP), SNMP, RADIUS, syslog, DNS client, Telnet Client, DHCP Client, DHCP Autoconfig, IPv6 DHCP Relay, TACACS
IPv6 RFCs supported
RFC 4443 (which obsoletes RFC2463): ICMP version 6
RFC 4291 (which obsoletes RFC 3513): IPv6 address architecture
RFC 4291: IPv6 addressing architecture
RFC 2460: IPv6 specification
RFC 4861 (which obsoletes RFC 2461): neighbor discovery for IPv6
RFC 4862 (which obsoletes RFC 2462): IPv6 stateless address autoconfiguration
RFC 1981: path MTU discovery
RFC 4007: IPv6 scoped address architecture
RFC 3484: default address selection mechanism
RFC 5214 (which obsoletes RFC 4214): ISATAP tunneling
RFC 4293: MIB IPv6: textual conventions and general group
RFC 3595: textual conventions for IPv6 flow label
|Management||Web user interface|
Built-in switch configuration utility for easy browser-based device configuration (HTTP/HTTPS). Supports configuration, system dashboard, system maintenance, and monitoring
SNMP versions 1, 2c, and 3 with support for traps, and SNMP version 3 user-based security model (USM)
Remote Monitoring (RMON)
Embedded RMON software agent supports 4 RMON groups (history, statistics, alarms, and events) for enhanced traffic management, monitoring, and analysis
IPv4 and IPv6 dual stack
Coexistence of both protocol stacks to ease migration
● Web browser upgrade (HTTP/HTTPS) and TFTP and upgrade over SCP running over SSH
● Upgrade can be initiated through console port as well
● Dual images for resilient firmware upgrades
Traffic on a port can be mirrored to another port for analysis with a network analyzer or RMON probe. Up to 8 source ports can be mirrored to one destination port. A single session is supported
Traffic from a VLAN can be mirrored to a port for analysis with a network analyzer or RMON probe. Up to 8 source VLANs can be mirrored to one destination port. A single session is supported
DHCP (options 12, 66, 67, 82, 129, and 150)
DHCP options facilitate tighter control from a central point (DHCP server) to obtain IP address, autoconfiguration (with configuration file download), DHCP relay, and hostname
Secure Copy (SCP)
Securely transfer files to and from the switch
Autoconfiguration with Secure Copy (SCP) file download
Enables secure mass deployment with protection of sensitive data
Text-editable config files
Config files can be edited with a text editor and downloaded to another switch, facilitating easier mass deployment
Simplified configuration of QoS and security capabilities
Applies the intelligence delivered through the Smartport roles and applies it automatically to the port based on the devices discovered over Cisco Discovery Protocol or LLDP-MED. This facilitates zero-touch deployments
Scriptable command-line interface. A full CLI as well as a menu-based CLI is supported. User privilege levels 1, 7, and 15 are supported for the CLI
Support for Cisco Small Business FindIT Network
Localization of GUI and documentation into multiple languages
Traceroute; single IP management; HTTP/HTTPS; SSH; RADIUS; port mirroring; TFTP upgrade; DHCP client; BOOTP; SNTP; Xmodem upgrade; cable diagnostics; ping; syslog; Telnet client (SSH secure support)
Time-based port operation
Link up or down based on user-defined schedule (when the port is administratively up)
Configurable multiple banners for web as well as CLI
|Power Efficiency||EEE Compliant (802.3az)|
Supports 802.3az on all copper ports
Automatically turns power off on Gigabit Ethernet and 10/100 RJ-45 port when detecting link down
Active mode is resumed without loss of any packets when the switch detects the link up
Cable length detection
Adjusts the signal strength based on the cable length for Gigabit Ethernet models. Reduces the power consumption for cables shorter than 10m.
Disable port LEDs
LEDs can be manually turned off to save on energy
Frame sizes up to 9K (9216) bytes supported on 10/100 and Gigabit interfaces
Up to 16K (16384) MAC addresses
The switch advertises itself using the Bonjour protocol
Link Layer Discovery Protocol (LLDP) (802.1ab) with LLDP‑MED extensions
LLDP allows the switch to advertise its identification, configuration, and capabilities to neighboring devices that store the data in a MIB. LLDP-MED is an enhancement to LLDP that adds the extensions needed for IP phones
Cisco Discovery Protocol
The switch advertises itself using the Cisco Discovery Protocol. It also learns the connected device and its characteristics via Cisco Discovery Protocol
|Power||Green Power (Mode)|
Energy detect short reach
System Power Consumption
110 V=263 W
220 V=255.1 W
Total System Ports
24 Port POE 802.3af/at
|Cabling Type||Unshielded twisted pair (UTP) Category 5 or better for 10BASE-T/100BASE-TX; UTP Category 5|
Ethernet or better for 1000BASE-T
|LEDs||System, Link/Act, PoE, Speed, LED power saving option|
|CPU Memory||256 MB|
|Packet Buffer||12 Mb|
|Power||100-240 V, 50/60 Hz, 2.0 A, external|
|Certifications||UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A|
|Temperature & Humidity||Operating Temperature: 32 to 104°F / 0 to 40°C|
Storage Temperature: -4 to 158°F / -20 to 70°C
Operating Humidity: 10 to 90% relative, non-condensing
Storage Humidity: 10 to 90% relative, non-condensing
|MTBF||367,209 hours @ 104°F / 40°C|
|Minimum Requirements||Web browser: Mozilla Firefox version 8 or later; Microsoft Internet Explorer version 7 or later, Safari, Chrome|
Category 5 Ethernet network cable
TCP/IP, network adapter, and network operating system (such as Microsoft Windows, Linux, or Mac OS X) installed on each computer in the network
|Dimensions||17.30 x 1.45 x 10.10" / 440.00 x 44.45 x 202.00 mm|
|Weight||6.06 lb / 2.75 kg|
|Package Weight||9.0 lb|
|Box Dimensions (LxWxH)||21.1 x 12.6 x 4.2"|
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