Thông số kỹ thuật
Model | SG350X-48-K9 |
Performance | |
Switching capacity and forwarding rate | Capacity in Mpps (64-byte packets): 130.94 |
Switching capacity (Gbps): 176 | |
Layer 2 switching | |
Spanning Tree Protocol | Standard 802.1d spanning tree support |
Fast convergence using 802.1w (Rapid Spanning Tree Protocol [RSTP]), enabled by default | |
Multiple spanning tree instances using 802.1s (MSTP); 8 instances are supported | |
Per-VLAN Spanning Tree Plus (PVST+); 126 instances are supported | |
Rapid PVST+ (RPVST+); 126 instances are supported | |
Port grouping and link aggregation | 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 LAG | |
VLAN | Support for up to 4094 active VLANs simultaneously; port-based and 802.1Q tag-based VLANs; MAC-based VLAN Management VLAN |
Private VLAN with promiscuous, isolated, and community port | |
Guest VLAN, unauthenticated VLAN, protocol-based VLAN, IP subnet-based VLAN, CPE VLAN | |
Dynamic VLAN assignment using RADIUS server along with 802.1X client authentication | |
Voice VLAN | Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS. Auto voice capabilities deliver networkwide 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. This feature is also known as Multicast VLAN Registration (MVR) |
VLAN translation | Support for VLAN One-to-One Mapping. In VLAN One-to-One Mapping, on an edge interface, Customer VLANs (C-VLANs) are mapped to service provider VLANs (S-VLANs) and the original C-VLAN tags are replaced by the specified S-VLAN |
Q-in-Q | VLANs transparently cross over a service provider network while isolating traffic among customers |
Selective Q-in-Q | Selective Q-in-Q is an enhancement to the basic Q-in-Q feature and provides, per edge interface, multiple mappings of different C-VLANs to separate S-VLANs |
Selective Q-in-Q also allows configuration of the EtherType (TPID) of the S-VLAN tag | |
Layer 2 protocol tunneling over Q-in-Q is also supported | |
GVRP/GARP | Generic VLAN Registration Protocol (GVRP) and Generic Attribute Registration Protocol (GARP) enable automatic propagation and configuration of VLANs in a bridged domain |
UDLD | Unidirectional Link Detection (UDLD) monitors physical connections to detect unidirectional links caused by incorrect wiring or port faults to prevent forwarding loops and blackholing of traffic in switched networks |
DHCP relay at Layer 2 | Relay of DHCP traffic to a DHCP server in a different VLAN. Works with DHCP option 82 |
IGMP (versions 1, 2, and 3) snooping | Internet Group Management Protocol (IGMP) limits bandwidth-intensive multicast traffic to only the requesters; it supports 4000 multicast groups (source-specific multicasting is also supported) |
IGMP querier | Used to support a Layer 2 multicast domain of snooping switches in the absence of a multicast router |
HOL blocking | Head-Of-Line (HOL) blocking |
Layer 3 | |
IPv4 routing | Wirespeed routing of IPv4 packets |
Up to 990 static routes and up to 128 IP interfaces | |
Wirespeed IPv6 static routing | Up to 245 static routes and up to 106 IPv6 interfaces |
Layer 3 interface | Configuration of Layer 3 interface on physical port, LAG, VLAN interface, or loopback interface |
CIDR | Support for Classless Interdomain Routing (CIDR) |
DHCP server | Switch functions as an IPv4 DHCP server serving IP addresses for multiple DHCP pools and scopes |
Support for DHCP options | |
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 |
Stacking | |
Hardware stack | Up to four units in a stack. Up to 208 ports managed as a single system with hardware failover |
High availability | Fast stack failover delivers minimal traffic loss. Supports link aggregation across multiple units in a stack |
Plug-and-play stacking configuration and management | Master and backup for resilient stack control |
Auto-numbering | |
Hot swap of units in stack | |
Ring and chain stacking options, auto-stacking port speed, flexible stacking port options | |
High-speed stack interconnects | Cost-effective high-speed 10G fiber and copper interfaces. Support LAG as stacking interconnects for even higher bandwidth |
Hybrid stack | A mix of SG350X, SG350XG, and SX350X switches in the same stack (Gigabit and 10 Gigabit Ethernet) |
Security | |
SSH | Secure Shell (SSH) is a secure replacement for Telnet traffic. Secure Copy (SCP) also uses SSH. SSH versions 1 and 2 are supported |
SSL | Secure Sockets Layer (SSL) encrypts all HTTPS traffic, allowing secure access to the browser-based management GUI in the switch |
IEEE 802.1X (authenticator role) | RADIUS authentication and accounting, MD5 hash, guest VLAN, unauthenticated VLAN, single- and multiple-host mode, and single and multiple sessions |
Supports time-based 802.1X dynamic VLAN assignment | |
IEEE 802.1X supplicant | A switch can be configured to act as a supplicant to another switch. This enables extended secure access in areas outside the wiring closet (such as conference rooms) |
Web-based authentication | Web-based authentication provides Network Admission Control (NAC) through a web browser to any host devices and operating systems |
Quality of service | |
Priority levels | 8 hardware queues |
Scheduling | Strict priority and Weighted Round-Robin (WRR) |
Class of service | Port based; 802.1p VLAN priority based; IPv4/v6 IP precedence, Type of Service (ToS), and DSCP based; DiffServ; classification and remarking ACLs, trusted QoS |
Queue assignment based on Differentiated Services Code Point (DSCP) and class of service (802.1p/CoS) | |
Rate limiting | Ingress policer; egress shaping and ingress rate control; per VLAN, per port, and flow based; Two-Rate Three-Color (2R3C) policing |
Congestion avoidance | A TCP congestion avoidance algorithm is required to minimize and prevent global TCP loss synchronization |
iSCSI traffic optimization | A mechanism for giving priority to SCSI over IP (iSCSI) traffic over other types of traffic |
Power consumption (worst case) | |
Green power (mode) | EEE, Energy Detect, Short Reach |
System power consumption | 110V=51.6W |
220V=51.4W | |
Heat dissipation (BTU/hr) | 176.1 |
General | |
Total system ports | 48x 1G + 4x 10G |
Network ports | 48x 1G |
Uplink ports | 2x 10G copper/SFP+ combo |
+ 2x SFP+ | |
Console port | Cisco standard RJ-45 console port |
OOB management port | Dedicated Gigabit Ethernet management port for Out-Of-Band (OOB) management on SG350XG and SX350X models |
USB slot | USB Type A slot on the front panel of the switch for easy file and image management |
Buttons | Reset button |
Cabling type | UTP Category 5 or better; fiber options (Single-Mode Fiber [SMF] and Multimode Fiber [MMF]); coaxial SFP+ |
LEDs | System, master, stack ID, link/speed per port |
Flash | 256 MB |
CPU | 1.3-GHz and 800-MHz (dual-core) ARM |
CPU memory | 512 MB |
Packet buffer | 3 MB |
Environmental | |
Unit dimensions (W x H x D) | 440 x 44 x 257 mm |
Unit weight | 3.73 kg |
Power | 100 to 240V 47 to 63 Hz, internal, universal |
Certification | UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A |
Operating temperature | 0° to 50°C |
Storage temperature | -20° to 70°C |
Operating humidity | 10% to 90%, relative, noncondensing |
Storage humidity | 10% to 90%, relative, noncondensing |
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