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Ethernet Access Switches MES2428

Advanced L2 features
Support for Multicast (IGMP Snooping, MVR)
Advanced security functions (L2-L4 ACL, IP Source Guard, Dynamic ARP Inspection, etc.)

The switches provide end users connection to networks of large enterprises, small and mid-sized businesses and service providers via Fast and Gigabit Ethernet interfaces. The switches support Virtual Local Area Networks (VLAN), multicast groups and advanced security functions.

General parameters

Packet processor: Realtek RTL8332M
24 ports 10/100/1000BASE-T
4 Combo ports 10/100/1000BASE-T/100BASE-FX/1000BASE-X
Console port RS-232/RJ-45
Bandwidth 56 Gbps
Throughput for 64-byte packets 41.658 MPPS
MAC table 8K
ACL table 1.5K
Jumbo frame size the maximum packet size is 10240 bytes
Buffer memory 512 KB
RAM (DDR3) 256 MB
ROM (SPI Flash) 32 MB
L2 Multicast groups (IGMP
Snooping) 512
Quality of Service (QoS) 8 output queues per port

Interface features

Head-of-line blocking (HOL) protection
Back pressure support¹
Auto MDI/MDIX
umbo frames
Flow Control IEEE 802.3X
RSPAN
Port mirroring

MAC table

Independent learning mode per VLAN
MAC Multicast Support
Configurable aging time of MAC addresses
Static MAC Entries
MAC change events monitoring per ports
MAC flapping events monitoring per ports¹

L2 Multicast features

STP (Spanning Tree Protocol, IEEE 802.1d)
RSTP (Rapid Spanning Tree Protocol, IEEE 802.1d)
MSTP (Multiple Spanning Tree Protocol, IEEE 802.1s)
STP Root Guard
STP Loop Guard
STP BPDU Guard
BPDU Filtering
Spanning Tree Fast Link option
Layer 2 Protocol Tunneling
ERPS (G.8032v2)¹
ELPS (G.8031)¹
Loopback Detection (LBD)
Port isolation
Storm Control for different types of traffic (broadcast, multicast, unknown unicast)

Link Aggregation functions

Static LAG
Dynamic LAG (LACP)
LAG Balancing Algorithm

Service functions

Virtual cable testing (VCT)
Optical transceiver diagnostics
Green Ethernet¹

IPv6

IPv6 Host
Dual-stack

Security functions

DHCP Snooping
DHCP Option 82
IP Source Guard
Dynamic ARP Inspection (Protection)
sFlow¹
MAC-based authentication, Port Security, static MAC entries
Port-based authentication IEEE 802.1x¹
Guest VLAN¹
DoS attacks prevention¹
Traffic segmentation¹
DHCP clients filtering
BPDU attacks prevention
PPPoE Intermediate agent

Access control lists (ACL)

L2-L3-L4 ACL (Access Control List)
IPv6 ACL
ACL based on:

Quality of service (QoS) and rate limiting

Shaping, policing
Scheduling algorithms: Strict Priority/Weighted Round Robin (WRR)
Support for IEEE 802.1p Class of Service
CoS to DSCP, DSCP to CoS remarking
IEEE 802.1p priority for management VLAN
ACL-based traffic classification
ACL-based CoS/DSCP mark assignmen
ACL-based VLAN assignment

ОАМ

IEEE 802.3ah, Ethernet OAM
IEEE 802.3ah Unidirectional Link Detection (UDLD)
IEEE 802.1ag, Connectivity Fault Management (CFM)¹
Dying Gasp

Main management functions

Download and upload of configuration file via TFTP/SFTP
Simple Network Management Protocol (SNMP)
Command LIne Interface (CLI)
Web interface¹
Syslog
Simple Network Time Protocol (SNTP)
Traceroute
LLDP (IEEE 802.1ab) + LLDP MED
Access management – privilege levels for users
Management interface blocking
Local authentication
IP addresses filtering for SNMP
RADIUS and TACACS+ clients
SSH server
SSL
Input commands logging via TACACS+¹
DHCP autoprovision
DHCP Relay (support for IРv4)
DHCP Option 12¹
DHCP Relay Option 82
PPPoE Circuit-ID tag adding
Flash File System
Debugging commands
Limiting of traffic to CPU
Password encryption
Ping (support for IPv4/IPv6)
IPv4/IPv6 static routes support
Support for several versions of configuration file

Monitoring functions

Interface statistics
RMON/SMON¹
CPU utilization monitoring per task and per traffic type
RAM utilization monitoring
Temperature monitoring
TCAM monitoring

Physical specifications and ambient parameters

Power supply 220 VAC, 50 Hz/18–72 VDC
Maximum power consumption 18 W
Hardware support for Dying Gasp
Operating temperature: from -20 to +50 °С
Storage temperature: from -40 to +70 °С
Operating humidity: no more than 80%
Cooling: passive
Dimensions (WxDxH), mm: 430x178x44
Weight 2.35 kg