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ETHERNET ACCESS SWITCHES MES2428B
 
Key features
  • Advanced L2 features
  • Support for Multicast (IGMP Snooping, MVR)
  • Advanced security functions (L2-L4 ACL, IP Source Guard, Dynamic ARP Inspection, etc.)
  • Uninterruptible power supply via battery  
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.

Uninterruptible power supply
MES2428B switches are capable to use external power battery in order to provide uninterruptible operation in case of 220V power shutdown. The switches are equipped with power supply unit that allows charging storage battery if 220V supply line is available. The redundant power system provides monitoring for power supply line and notifies on power sources switching. 

ETHERNET ACCESS SWITCHES MES2428B

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  • Packet processor: Realtek RTL8382M

    Interfaces

    • 24x10/100/1000BASE-T (RJ-45)
    • 4xCombo ports 10/100/1000BASE-T/100BASE-FX/1000BASE-X 

    Performance

    • Bandwidth - 56 Gbps
    • Throughput for 64-byte packets1 - 41.658 MPPS
    • Buffer memory - 512 KB
    • RAM (DDR3) - 256 MB
    • ROM (SPI Flash) - 32 MB
    • MAC table - 8192
    • ARP table - 1000
    • VLAN table - 4094
    • L2 Multicast groups (IGMP Snooping) - 509
    • SQinQ rules number - 128 (ingress)/ 256 (egress)
    • MAC ACL rules - 381
    • IРv4, IPv6 ACL rules - 219/128
    • L3 interfaces - 8 VLANs, up to 5 of IPv4 addresses for each VLAN, up to 300 of IPv6 GUA for all VLANs in summary
    • Link Aggregation Groups (LAG) - 8 groups, up to 8 ports in one LAG
    • Quality of Service (QoS) - 8 output queues per port
    • Jumbo frame size - 10 000 bytes

    Interface features

    • Head-of-line blocking (HOL) protection
    • Auto MDI/MDIX
    • Jumbo frames
    • Flow Control IEEE 802.3X
    • Port mirroring (SPAN, RSPAN)

    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

    VLAN features

    • IEEE 802.1Q
    • Q-in-Q
    • Selective Q-in-Q
    • GVRP
    • MAC-based VLAN
    • Protocol-based VLAN

    L2 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
    • 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

    IPv6

    • IPv6 Host
    • Dual-stack IPv4, IPv6

    Security functions

    • DHCP Snooping
    • DHCP Option 82
    • IP Source Guard
    • Dynamic ARP Inspection (Protection)
    • MAC-based authentication, Port Security, static MAC entries
    • IEEE 802.1x based interface authentication
    • DoS attacks prevention
    • Traffic segmentation
    • DHCP clients filtering
    • BPDU attacks prevention
    • PPPoE Intermediate agent
    • DHCPv6 Snooping
    • IPv6 Source Guard
    • IPv6 ND Inspection
    • IPv6 RA Guard

    Access control lists (ACL)

    • L2-L3-L4 ACL (Access Control List)
    • IPv6 ACL
    • ACL based on:
      • Switch port
      • IEEE 802.1p priority
      • VLAN ID
      • EtherType
      • DSCP 
      • IP type 
      • TCP/UDP port number
      • User Defined Bytes 

    Quality of service (QoS) and rate limiting

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

    ОАМ 

    • IEEE 802.3ah, Ethernet OAM
    • IEEE 802.3ah Unidirectional Link Detection (UDLD)
    • Dying Gasp

    Monitoring functions 

    • Interface statistics
    • CPU utilization monitoring per task and per queue
    • RAM utilization monitoring
    • Temperature monitoring
    • TCAM monitoring

    Main management functions

    • Download and upload of configuration file via TFTP/SFTP
    • Automated backup of configuration file via TFTP/SFTP
    • Simple Network Management Protocol (SNMP)
    • Command LIne Interface (CLI)
    • Web interface
    • Syslog
    • Simple Network Time Protocol (SNTP)
    • Traceroute
    • LLDP (IEEE 802.1ab) + LLDP MED
    • Two 802.1Q headers traffic control
    • Input commands logging via TACACS+
    • IPv4/IPv6 ACL support for device control
    • Access management – privilege levels for users
    • Management interface blocking
    • Local authentication
    • IP addresses filtering for SNMP
    • RADIUS and TACACS+ clients (Terminal Access Controller Access Control System)
    • Telnet client, SSH client
    • Telnet server, SSH server
    • Macro commands
    • Input commands logging via TACACS+
    • DHCP autoprovision
    • DHCP Relay (support for IРv4)
    • 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 files

    Uninterruptible power supply

    • Automatic switching to storage battery (12V) in case of 220V supply line failure and switching back
    • Battery charging (12V) during primary network operation (220V)
    • Power source type monitoring (including SNMP)
    • Notifications on power source switching
    • Battery connection indication
    • Low battery alarm
    • Short circuit failure protection

    MIB/IETF

    • RFC 1065, 1066, 1155, 1156, 2578 MIB Structure
    • RFC 1212 Concise MIB Definitions
    • RFC 1213 MIB II
    • RFC 1215 MIB Traps Convention
    • RFC 1493, 4188 Bridge MIB
    • RFC 1157, 2571-2576 SNMP MIB
    • RFC 1901-1908, 3418, 3636, 1442, 2578 SNMPv2 MIB
    • RFC 2465 IPv6 MIB
    • RFC 2737 Entity MIB
    • RFC 4293 IPv6 SNMP Mgmt Interface MIB
    • Private MIB
    • RFC 1398, 1643, 1650, 2358, 2665, 3635 Ether-like MIB
    • RFC 2668 802.3 MAU MIB
    • RFC 2674, 4363 802.1p MIB
    • RFC 2233, 2863 IF MIB
    • RFC 2618 RADIUS Authentication Client MIB
    • RFC 4022 MIB for TCP
    • RFC 4113 MIB for UDP
    • RFC 3289 MIB for Diffserv
    • RFC 2620 RADIUS Accounting Client MIB
    • RFC 768 UDP
    • RFC 791 IP
    • RFC 792 ICMv4
    • RFC 2463, 4443 ICMPv6
    • RFC 793 TCP
    • RFC 2474, 3260 Definition of the DS Field in the IPv4 and IPv6
    • RFC 1321, 2284, 2865, 3580, 3748 Extensible Authentication Protocol (EAP)
    • RFC 2571, RFC 2572, RFC 2573, RFC 2574 SNMP
    • RFC 826 ARP
    • RFC 854 Telnet

    Physical specifications and ambient parameters

    • Power supply:
      • AC: 110–250 V, 50-60 Hz
      • DC: 12 V
    • Input current : 
      • AC: 0.41–0.18 A
      • DC: 1.8 A
    • Output current: 1.7 A
    • Maximum power consumption 45 W 
    • Maximum power consumption (without battery charge): 20 W
    • Operating temperature: from -20 to +50 °С
    • Storage temperature: from -40 to +70 °С
    • Operating humidity: no more than 80%
    • Cooling: passive
    • Form factor: 19", 1U
    • Dimensions (WxHxD), mm: 430x44x178
    • Weight 2.35 kg
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