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Cisco ME-4924-10GE - коммутатор L3, 24 порта UNI 1000BASE-X (SFP), 4 порта 1000BASE-X (SFP) или 2 порта 10GBase (X2)
Cisco ME-4924-10GE - коммутатор оптимизированный под UPE агрегацию, оборудован 24 Gigabit Ethernet SFP User to Network Interfaces (UNI) портами, дополнительно четырьмя Gigabit Ethernet SFP аплинками и двумя 10 Gigabit Ethernet X2 аплинками.
Коммутаторы Cisco ME 4900 предназначены для провайдеров, предоставляющих услуги передачи голоса и видео, это компактное и недорогое устройство высотой 1RU отлично подойдет для небольших офисов с ограниченным свободным местом в стойках, планирующих предлагать услуги следующего поколения - такие, как голос и видео. Компактность устройства (высота - 1RU) позволяет размещать его в офисах с ограниченным стоечным пространством.
Агрегирующий Ethernet-коммутатор Cisco ME 4924-10GE представляет собой коммутатор уровня 2-4 для агрегации на границе между пользовательским и провайдерским сегментами сети, предназначенный для высокопроизводительных операторских сетей Ethernet. Выполненные на основе технологий, реализованных в коммутаторах Catalyst серии 4900, коммутаторы ME серии 4900 предлагают провайдерам услуг, внедряющим услуги передачи голоса, видео и данных (triple play) для частных пользователей, так необходимые им производительность и доступность.
Основные особенности:
- Высокая производительность на скорости среды передачи: 48 Гбит/с и 71 миллион пакетов/с
- Малая задержка при коммутации на уровнях 2-4
- Инновационные функции безопасности и управления качеством обслуживания (QoS)
- Gigabit Ethernet и 10 Gigabit Ethernet аплинки
- Опциональные внутренние источники питания переменного или постоянного тока с возможностью "горячей" замены и резервированием по схеме 1+1
- Вентиляторный модуль с возможностью "горячей" замены и резервированными вентиляторами.
Key Features and Benefits of Cisco ME 4924-10GE Switch
|
Features |
Benefits |
|
Purpose-Built Next-Generation Ethernet Aggregation Switch |
• Compact form factor (1RU) allows for deployment in space-constrained areas.
• Support for SFP and X2 transceivers provides flexible uplink options.
• Both AC and DC power options are available.
|
|
Triple-Play Services |
• 10 GE uplinks allow for easy delivery of high-bandwidth services such as video on demand and high-definition TV (HDTV).
|
|
High-Performance IP Routing |
• Basic IP Unicast routing protocols (static and RIPv1 and v2) are supported for small-network routing applications.
• Advanced IP Unicast routing protocols (OSPF, EIGRP, and BGPv4) are supported for load balancing and constructing scalable networks.
• Hot Standby Router Protocol (HSRP) provides dynamic load balancing and failover for routed links.
|
|
Intelligent QoS and Traffic Management |
• Sharing, shaping, and strict-priority configurations determine scheduling of egress traffic.
|
|
Wire-Speed Performance in All Directions |
• High-performance switching is maintained regardless of the number of route entries or Layer 3 and Layer 4 services enabled.
|
Technical Specifications
Performance and Switching Specifications
• 96-Gbps nonblocking switch fabric
• 71-mpps Layer 2 forwarding (hardware)
• 71-mpps Layer 3 and 4 forwarding - IP routing, Cisco Express Forwarding-based (hardware)
• Layer 2-4 hardware-based switch engine (application-specific integrated circuit [ASIC]-based)
• Unicast and multicast routing entries: 32,000
• Support for 4096 active VLANs and 4096 VLAN IDs per switch
• Layer 2 multicast addresses: 16,000
• MAC addresses: 55,000
• Policers: 512 ingress and 512 egress
• ACL or QoS entries: 32,000
• Uplinks: Four SFP ports and two X2 ports with support of Cisco Gigabit EtherChannel® technology
• Switched virtual interfaces (SVIs): 2048
• Internet Group Management Protocol (IGMP) snooping entries: 8000
• Scalability to 4094 Spanning Tree Protocol instances
• Bandwidth aggregation up to 16 Gbps through Cisco Gigabit EtherChannel technology
• Hardware-based wire-speed multicast management
• Hardware-based wire-speed ACLs
Layer 2 Features
• Layer 2 switch ports and VLAN trunks
• IEEE 802.1Q VLAN encapsulation
• Inter-Switch Link (ISL) VLAN encapsulation
• Dynamic Trunking Protocol (DTP)
• VLAN Trunking Protocol (VTPv3) and VTP domains
• Per-VLAN Spanning Tree Protocol Plus (PVST+) and Per-VLAN Rapid Spanning Tree Protocol (PVRST)
• Spanning-tree PortFast and PortFast guard
• Spanning-tree UplinkFast and BackboneFast
• 802.1s
• 802.1w
• Spanning-tree root guard
• Cisco Discovery Protocol
• IGMP snooping v1, v2, and v3
• 802.3ad
• Cisco EtherChannel technology, Cisco Fast EtherChannel technology, and Cisco Gigabit EtherChannel technology support
• Port Aggregation Protocol (PAgP)
• Unidirectional Link Detection Protocol (UDLD) and aggressive UDLD on the SFP ports
• Q-in-Q in hardware
• Layer-2 Protocol Tunneling (L2PT)
• Jumbo frames on all ports (up to 9216 bytes)
• Baby giants (up to 1600 bytes)
• Hardware-based storm control (formally known as broadcast and multicast suppression)
• Community private VLANs (PVLANs)
• Web Content Communication Protocol Version 2 Layer 2 Redirect
• Private VLAN Promiscuous Trunk
Layer 3 Features
• Static IP routing
• IP routing protocols: EIGRP, OSPF, RIP, RIP2
• OSPF/EIGRP Fast Convergence
• OSPF features: throttling, RFC 3623 graceful restart, link-state database overload protection, IP event dampening, redistribution limit, packet pacing, unlimited software VRFs, and inbound filtering
• EIGRP route map filteringBGPv4 and Multicast Border Gateway Protocol (MBGP)
• Hot Standby Router Protocol (HSRP)
• Software routing of IPX and AppleTalk
• IS-IS routing protocol
• IGMPv1, v2, and v3
• IGMP filtering on access and trunk ports
• IGMP Querier
• IP Multicast routing protocols (Protocol Independent Multicast [PIM], Source Specific Multicast [SSM], and Distance Vector)
• Multicast Routing Protocol (DVMRP)
• Pragmatic General Multicast (PGM)
• Cisco Group Management Protocol (GMP) server
• Full Internet Control Message Protocol (ICMP) support
• ICMP Router Discovery Protocol
• Policy-based routing (PBR)
• Virtual Route Forwarding-lite (VRF-lite)
• VRF Aware services
• IPv6 software switching support
• OSPF fast convergence
• EIGRP stub
• Virtual Router Redundancy Protocol (VRRP)
Sophisticated QoS and Traffic Management
• Per-port QoS configuration
• Per-port per-VLAN QoS
• Support for four queues per port in hardware
• Strict priority queuing
• Classification and marking based on IP type of service (ToS) or DSCP
• Classification and marking based on full Layer 3 and 4 headers (IP only)
• Input and output policing based on Layer 3 and 4 headers (IP only)
• Support for 512 policers on ingress and 512 policers on egress configured as aggregate or individual
• Shaping and sharing output queue management
• Dynamic Buffer Limiting (DBL): Advanced congestion avoidance
• No performance penalty for granular QoS functions
• ANCP enables a distributed, network based conditional access control for multicast, policy distribution and enforcement
Comprehensive Management
• Manageable through CiscoWorks network-management software on a per-port and per-switch basis, providing a common management interface for Cisco routers, switches, and hubs
• connect the Management Port to the management network for telneting to the supervisor without using the console port, even in IOS mode.
• Store multiple crashdumps in the bootflash
• Manageable through Cisco Network Assistant
• SNMPv1, v2, and v3 instrumentation, delivering comprehensive in-band management
• CLI-based management console to provide detailed out-of-band management
• Remote Monitoring (RMON) software agent to support four RMON groups (history, statistics, alarms, and events) for enhanced traffic management, monitoring, and analysis
• Support for all nine RMON groups through the use of a Cisco SwitchProbe analyzer (Switched Port Analyzer [SPAN]) port, which permits traffic monitoring of a single port, a group of ports, or the entire switch from a single network analyzer or RMON probe
• Analysis support, including ingress port, egress port, and VLAN SPAN
• Remote SPAN (RSPAN)
• Smartports macros
• SPAN ACL filtering
• Dynamic Host Configuration Protocol (DHCP) client autoconfiguration
• PPPoE IA (equivalent function as DHCP Option82 rewrite)
• Interface index (IfIndex) persistence
• HTTPS
• Time Domain Reflectometry (TDR)
• MAC address notification
Advanced Security
• TACACS+ and RADIUS, which enable centralized control of the switch and restrict unauthorized users from altering the configuration
• 802.1x RADIUS-supplied timeout
• Standard and extended ACLs on all ports
• 802.1x user authentication (with VLAN assignment, port security, voice VLAN, and guest VLAN extensions)
• 802.1x accounting
• 802.1x authentication failure
• 802.1x Private VLAN assignment
• 802.1x Private Guest VLAN
• Trusted boundary
• Router ACLs (RACLs) on all ports (no performance penalty)
• VLAN ACLs (VACLs)
• Port ACLs (PACLs)
• PVLANs on access and trunk ports
• DHCP Snooping
• DHCP Option 82
• DHCP Option 82 insertion
• DHCP Option 82 pass through
• DHCPv6 Relay Enhancements
• Port security
• Trunk port security
• Sticky port security
• Secure Shell (SSH) Protocol versions 1 and 2
• VLAN Management Policy Server (VMPS) client
• Unicast MAC filtering
• Unicast port flood blocking
• Dynamic Address Resolution Protocol (ARP) inspection
• IP Source Guard
• Community PVLAN
• Control Plane Policing
• 802.1x Unidirectional Controlled Port
• Voice VLAN Sticky Port Security
• Secure Copy Protocol (SCP)
• 802.1x Inaccessible Authentication Bypass
• MAC Authentication Bypass
Traffic and Congestion Management
• Number of queues: four queues per port
• Type of buffers: Dynamic
Switch Architecture Specifications
• Packet buffering: Dynamic, 16-MB shared memory
• CPU speed: 266 MHz
• Flash memory: 64 MB
• Synchronous dynamic RAM (SDRAM): 256 MB
В комплект входит:
- коммутатор Cisco Catalyst ME-4924-10GE б.у., тщательно протестированный, гарантия 3 месяца
- один блок питания PWR-C49-300AC
- кабель питания
- упаковка
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Коммутатор Cisco Catalyst ME-4924-10GE
Артикул: ME-4924-10GE