Коммутатор Б.У. С гарантией 90 дней. Без дефектов. В комплекте 2 штуки блока питания постоянного тока AC-DC.

S5320-56C-EI-48S-AC имеет 48x портов 100/1000 Base-X SFP, 4x порта 10GE SFP+, с 1 дополнительный интерфейсным слотом, с 2x 150W DC источника питания. Управляемый коммутатор уровня L3 с расширенным функционалом EI.

Packet forwarding rate: 162 Mpps

Коммутационная емкость: 598 Гбит / с

IEEE 802.1d

64K MAC address entries

MAC address learning and aging

Static, dynamic, and blackhole

MAC address entries Packet filtering based on source MAC addresses 

4K VLANs

Guest VLAN and voice VLAN

GVRP

MUX VLAN VLAN assignment based on MAC addresses, protocols, IP subnets, policies, and ports

1:1 and N:1 VLAN mapping

VLAN-based transparent transmission of protocol packets 

Jumbo frame 12K

RRPP ring topology and RRPP multi-instance

Smart Link tree topology and Smart Link multi-instance, providing millisecond-level protection

switchover

Smart Ethernet Protection (SEP),G.8032 Ethernet Ring Protection Switching (ERPS)

STP (IEEE 802.1d), RSTP (IEEE 802.1w), and MSTP (IEEE 802.1s)

VLAN-based Spanning Tree (working with PVST/PVST+/RPVST)

BPDU protection, root protection, and loop protection

IP routing Static routing, RIPv1/2, RIPng, OSPF, OSPFv3, IS-IS, IS-ISv6, BGP, BGP4+, ECMP, and

policy-based routing  

IPv6 features Neighbor Discovery (ND)

Path maximum transmission unit (PMTU)

IPv6 Ping, IPv6 Tracert, and IPv6 Telnet

6 to4 tunnel, ISATAP tunnel, and manually configured tunnel

ACLs based on source IPv6 addresses, destination IPv6 addresses, Layer 4 ports, or protocol

types

Multicast Listener Discovery (MLD) v1/v2 snooping

Multicast

forwarding

IGMP v1/v2/v3 snooping and IGMP fast leave

Multicast forwarding in a VLAN and multicast replication between VLANs

Multicast load splitting among trunk member ports

Controllable multicast

Layer 2 multicast control

Port-based multicast traffic statistics collection

IGMPv1/v2/v3, Protocol Independent Multicast Sparse Mode (PIM-SM), and Protocol

Independent Multicast Dense Mode (PIM-DM), and Protocol Independent Multicast SourceSpecific Multicast (PIM-SSM)

Multicast Source Discovery Protocol (MSDP)

QoS/ACL Inbound and outbound traffic rate limiting on a port

Packet redirection

Broadcast storm control

Port-based traffic policing and two-rate and three-color CAR

Eight queues per port,Weighted round robin (WRR), deficit round robin (DRR),

strict priority (SP), WRR+SP, and DRR+SP queue scheduling algorithms

Weighted random early detection (WRED)

Re-marking of the 802.1p priority and DSCP value of packets

Packet filtering based on Layer 2 to Layer 4 information, including source MAC addresses,

destination MAC addresses, source IP addresses, destination IP addresses, TCP/UCD

source/destination ports, protocol types, and VLAN IDs

Per queue rate limiting and interface traffic shaping

1:1,N:1,N:4 port mirroring

VLAN mirroring 

Security

features

Hierarchical user management and password protection

DoS attack defense, ARP attack defense, and ICMP attack defense

Binding of the IP address, MAC address, interface number, and VLAN ID of a user

Port isolation, port security, and sticky MAC

MAC Forced Forwarding (MFF)

Blackhole MAC address entries

Limit on the number of learned MAC addresses

IEEE 802.1x authentication and the limit on the number of users on an interface

AAA authentication, RADIUS authentication, HWTACACS+ authentication, and NAC

SSH v2.0

Hypertext Transfer Protocol Secure (HTTPS)

CPU defense

Blacklist and whitelist

Access

security

DHCP Relay

DHCP Server

DHCP Snooping

DHCP Client

DHCP Security

Port

aggregation

LACP

Up to 64 trunk groups

Up to 8 member interfaces in each trunk group

Reliability Ethernet OAM (IEEE 802.3ah and 802.1ag)

ITU-Y.1731

BFD for BGP/IS-IS/OSPF/static route

Management

and

Maintenance

iStack

Virtual cable test

SNMPv1/v2/v3

RMON/RMON2

Web-based network management system

System logs and multi-level alarms 

sFlow

LLDP/LLDP-MED

SCP (Secure Copy Protocol), TFTP, FTP

Store dual software images and configuration files

802.3az Energy Efficient Ethernet (EEE) 

Operating

environment

Operating temperature:

0-1800 m altitude: 0-45°C

1800-5000 m altitude: The operating temperature reduces by 1°C every time the altitude

increases by 220 m.

Relative humidity: 5% to 95% (noncondensing)

Input voltage AC:

Rated voltage range: 100 V to 240 V AC, 50/60 Hz

Maximum voltage range: 90 to 264 V AC, 47/63 Hz