Thiết bị chuyển mạch Eltex MES2348B

Key features

• L3 switches
• Stacking support
• Multicast support (IGMP, IGMP snooping, MVR)
• Advanced security features (L2-L4 ACL, IP Source address guard, Dynamic ARP Inspection, etc.)

New generation of access switches provides end users connection to a large-scale corporate network, small and medium business networks and to a service provider networks using 1G/10G interfaces.

The switches support physical stacking, VLANs, multicast groups and advanced security functions

Packet processor – Marvell 2x98DX3236- A1 (AlleyCat3)

Interfaces

• 10/100/1000BASE-T (RJ-45) – 48
• 10GBASE-R (SFP+)/1000BASE-X (SFP) – 4
• Console port – RS-232/RJ-45

Performance

• Bandwidth – 176 Gbps
• Throughput for 64 bytes – 130.9 MPPS
• Buffer memory – 24 Mbit
• RAM (DDR3) – 512 MB
• ROM (RAW NAND) – 512 MB
• MAC table – 16K
• VLAN table – 4K
• L2 Multicast groups – 2K
• ARP table – 1K (for each host in the ARP table, an entry is created in the routing table)
• Link Aggregation Groups (LAG) – 16, up to 8 ports per LAG
• Maximum size of ECMP groups – 8
• Quality of Services (QoS) – 8 egress queues per port
• ТСАМ:
  • For routing: 1024хIPv4
  • For traffic processing: 1024х24 B
• Jumbo frames size – 10240 bytes
• Stacking – 8 devices

Interface functions

• Head-of-line blocking (HOL) protection
• Back pressure
• Auto MDI/MDIX
• Jumbo frames
• Flow control (IEEE 802.3X)
• Port mirroring
• Stacking

MAC table functions

• Independent learning mode per VLAN
• MAC Multicast Support
• Configurable aging time of MAC addresses
• Static MAC Entries
• MAC Flapping logging

VLAN functions

• Voice VLAN
• 802.1Q
• Q-in-Q
• Selective Q-in-Q
• GVRP

L2 Multicast functions 

• Multicast profiles
• Static Multicast groups
• IGMP Snooping v1,2,3
• Port/host-based IGMP Snooping Fast Leave
• IGMP authorization support via RADIUS
• MLD Snooping v1,2
• IGMP Querier
• MVR

L2 functions 

• STP (Spanning Tree Protocol, IEEE 802.1d)
• RSTP (Rapid spanning tree protocol, IEEE 802.1w)
• MSTP (Multiple Spanning Tree, IEEE 802.1s)
• STP Mulitprocess
• PVSTP+
• Spanning Tree Fast Link option
• EAPS¹
• STP Root Guard
• BPDU Filtering
• STP BPDU Guard
• Loopback Detection (LBD)
• ERPS (G.8032v2)
• Private VLAN
• Layer 2 Protocol Tunneling

L3 functions

• Static IP routes
• Dynamic routing protocols RIPv2, OSPFv2, OSPFv3
• Address Resolution Protocol (ARP)
• VRRP
• PIM SM, PIM DM, IGMP Proxy
• IP Unnumbered
• ECMP Load Balancing

Link Aggregation functions 

• Static LAG
• Dynamic LAG (LACP)
• LAG Balancing Algorithm

Ipv6 support 

• IPv6 Host
• Dual-stack

Service function

• Virtual cable testing (VCT)
• Optical transceiver diagnostic
• Green Ethernet

Security functions

• DHCP snooping
• DHCP protocol option 82
• IP Source Guard
• Dynamic ARP Inspection
• sFlow
• MAC-address based authentication, Port Security, Static MAC entries
• Port-based authentication IEEE 802.1x
• Guest VLAN¹
• DoS attack prevention
• Traffic segmentation
• Protection against non-authorized DHCP servers
• DHCP client filtering
• BPDU attack prevention
• NetBIOS/NetBEUI filtering
• PPPoE Intermidiate agent

ACL (Access control list)

• L2-L3-L4 ACL
• Time-Based ACL
• IPv6 ACL
• ACL based on:
  • Physical port number
  • IEEE 802.1p
  • VLAN ID
  • EtherType
  • DSCP
  • Protocol type
  • TCP/UDP port number
  • User Defined Bytes

Quality of Service (QoS) and rate limiting

• QoS statistics
• Shaping, Policing
• IEEE 802.1p Class of Service (CoS)
• Storm Control
• Bandwidth management
• Scheduling algorithms: Strict Priority/Weighted Round Robin (WRR)
• Three marking colors
• ACL-based CoS/DSCP mark assignment
• Setting the IEEE 802.1p priority for management VLAN
• DSCP to CoS/CoS to DSCP remarking
• ACL-based VLAN assignment
• 802.1p, DSCP mark assignment for IGMP

ОАМ/CFM

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

Main management functions

• Download and upload of configuration file via TFTP/SCP
• Redirecting the output of CLI commands to an arbitrary file on ROM
• SNMP
• Command line interface (CLI)
• Web-interface
• Syslog
• SNTP (Simple Network Time Protocol)
• Traceroute
• LLDP (802.1ab) + LLDP MED
• Access control – privilege levels
• Management interface blocking
• Local authentication
• IP addresses filtering for SNMP
• RADIUS, TACACS+ (Terminal Access Controller Access Control System) clients
• SSH server
• SSL
• Macrocommand
• CLI commands logging
• System log
• DHCP autoprovision
• DHCP Relay (Ipv4 support)
• DHCP Option 12
• DHCP Relay Option 82
• PPPoE Circuit-ID tag addition
• Flash File System
• Debugging commands
• Rate limit of traffic to CPU
• Password encryption
• Password recovery
• Ping (IPv4/IPv6 support)
• FTP¹ server
•  DNS server

Monitoring functions

• Statistics on interfaces
• RMON/SMON
• CPU utilization monitoring per task and per traffic type
• RAM utilization monitoring
• Temperature monitoring
• TCAM utilization monitoring

MIB

• 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 271,1757, 2819 RMON MIB
• RFC 2465 IPv6 MIB
• RFC 2466 ICMPv6 MIB
• RFC 2737 Entity MIB
• RFC 4293 IPv6 SNMP Mgmt Interface MIB
• Private MIB
• RFC 3289 DIFFSERV MIB
• RFC 2021 RMONv2 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 3298 MIB for Diffserv
• RFC 2620 RADIUS Accounting Client MIB
• RFC 2925 Ping & Traceroute MIB
• RFC 768 UDP
• RFC 791 IP
• RFC 792 ICMPv4
• RFC 2463, 4443 ICMPv6
• RFC 4884 Extended ICMP for Multi-Part message support
• RFC 793 TCP
• RFC 2474, 3260 Ds field definition in IPv4 and Ipv6 headers
• RFC 1321, 2284, 2865, 3580, 3748 Extensible Authentication Protocol (EAP)
• RFC 2571, RFC2572, RFC2573, RFC2574 SNMP
• RFC 826 ARP

Physical parameters

• Maximum power consumption – 85 W
• Power supply – 220V АС, 50 Hz; 12V DC
• Operating temperature – from -20 to +50°С
• Storage temperature – from -40 to +70°С
• Operating humidity – 80%
• Cooling – Passive cooling
• Form factor – 19″, 1U
• Dimensions – 430 x 243 x 44
• Weight – 3,55 kg