Key features
- Advanced L2 features
- Support for Multicast (IGMP Snooping, MVR)
- Uninterruptible power supply from rechargeable battery
The switches provide end users connection to networks of large enterprises, small and mid-sized businesses and service providers via 1G/10G interfaces.
The switches support Virtual Local Area Networks (VLAN), multicast groups and advanced security functions.
Uninterruptible power
ETHERNET ACCESS SWITCH MES2448B
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- Packet processor - Realtek RTL9311
Interfaces
- 10/100/1000BASE-T (RJ-45) - 48
- 1000BASE-X(SFP)/ 10GBASE-R(SFP+) - 4
- Console port RS-232 (RJ-45) - 1
Performance
- Bandwidth - 176 Gbps
- Throughput on 64-byte packets1 - 130.9 MPPS
- Buffer memory - 2 MB
- RAM (DDR3) - 512 MB
- ROM (SPI Flash) - 64 MB
- MAC table - 32768
- ARP table - 1000
- VLAN table - 4094
- L2 Multicast groups (IGMP Snooping) - 4094
- SQinQ rules number - 768 (ingress)/1024 (egress)
- MAC ACL rules - 766
- IPv4/IPv6 ACL rules - 640/320
- 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) - 24 groups, up to 8 ports in one LAG
- QoS - 8 output queues with different priorities for each port
- Jumbo frame size - 12288 bytes
Interface features
- Head-of-line blocking (HOL) protection
- Auto MDI/MDIX
- Jumbo frames
- Flow Control IEEE 802.3X
- Port mirroring (SPAN, RSPAN)
МAC 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 Multicast features
- Multicast profiles
- Static Multicast groups
- IGMP Snooping v1,2,3
- IGMP Snooping fast leave
- IGMP proxy-report features
- IGMP through RADIUS
- IGMP Querier
- MVR
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
- Loopback Detection (LBD)
- Port isolation
- Storm Control for different types of traffic (broadcast, multicast, unknown unicast)
- Layer 2 Protocol Tunneling (L2PT)
- ERPS (G.8032v2)2
Link Aggregation functions
- Static LAG
- Dynamic LAG (LACP)
- LAG Balancing Algorithm
Service functions
- Virtual cable testing (VCT)
- Optical transceiver diagnostics
IPv6 support
- IPv6 Host
- Dual-stack IPv4, IPv6
Security functions
- DHCP Snooping
- DHCP Option 82
- MAC-based authentication, Port Security, static MAC entries
- IEEE 802.1x based interface authentication
- Protection against DoS attacks
- Traffic segmentation
- DHCP clients filtering
- BPDU attacks prevention
- PPPoE Intermediate agent
- IP Source Guard
- Dynamic ARP Inspection
- DHCPv6 Snooping
- IPv6 Source Guard
- IPv6 ND Inspection support
- IPv6 RA Guard support
Access control lists (ACL)
- L2-L3-L4 ACL (Access Control List)
- IPv6 ACL
- ACL based on:
- Physical port number
- 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
OAM- IEEE 802.3ah, Ethernet OAM
- Dying Gasp
- IEEE 802.3ah Undirectional Link Detection (UDLD)
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 file
Monitoring functions
- Interface statistics
- CPU utilization monitoring per task and per queue
- RAM utilization monitoring
- Temperature monitoring
- TCAM monitoring
Uninterruptible power supply provision- Automatic switching to and from the rechargeable battery (12 V) in case of the primary (220 V) network fail
- Battery charge (12 V) when primary network (220 V) is available
- Power supply type monitoring (SNMP)
- Notification of a power supply type switching
- Battery connection indication
- Low battery alarm
- Short-circuit 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 4293 IPv6 SNMP Mgmt Interface MIB
- RFC 1398, 1643, 1650, 2358, 2665, 3635 Ether-like MIB
- RFC 2618 RADIUS Authentication Client MIB
- 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 environmental parameters
- Power supply:
- 110–250 V AC, 50-60 Hz
- 12 V DC V DC
- Input current:
- 0.78–0.34 A; 4.5 A
- Output current - 2.7 A
- Maximum power consumption - 66 W
- Maximum power consumption (without battery charge) - 48 W
- Hardware support for Dying Gasp
- Operating temperature - from -20 to +50 °С
- Storage temperature - from -40 to +70 °С
- Cooling - active, 2 fans
- Operating humidity - no more than 80%
- Form factor - 19", 1U
- Dimensions (WxHxD), mm - 430x44х280
- Weight - 3.98 kg