Коммутаторы 3-го уровня Cisco ME-4924-10GE

Коммутатор агрегации от ведущего мирового производителя с 24 портами SFP 1000Base-X и дополнительными 4-мя портами SFP 1000Base-X или 2-мя портами XFP 10 Гбит/с.

Коммутаторы Cisco ME 4900 разработаны для провайдеров, планирующих предлагать услуги следующего поколения - такие, как голос и видео. Компактность устройства (высота - 1RU) позволяет размещать его в офисах с ограниченным стоечным пространством.

Аггрегирующий коммутатор Cisco ME 4924-10GE - это коммутатор Layer 2-4 U-PE aggregation switch для высокопроизводительных сетей операторских сетей. Серия ME 4900 основана на технологиях серии 4900 и обеспечивает производительность, необходимую операторам связи, предоставляющим своим абонентам услуги triple play. 

Серия коммутаторов Cisco ME 4900 основана на технологиях серии 4900 и обеспечивает производительность, необходимую операторам связи, предоставляющим своим абонентам услуги triple play.

Коммутаторы Cisco ME 4900 разработаны для провайдеров, планирующих предлагать услуги следующего поколения - такие, как голос и видео.

Особенности:

Высокая производительность - 48 Гбит/с и 71 миллион пакетов в секунду.

Низкая задержка при коммутации Layer 2-4.

Инновационные возможности безопасности и QoS.

Аплинки Gigabit Ethernet или 10 Gigabit Ethernet.

Опционально - внутренние модули питания AC или DC 1+1 возможностью горячей замены

Вентиляция с возможностью горячей замены и резервными вентиляторами.

Гарантия на коммутаторы Cisco ME-4924-10GE - 1 год.

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

Производитель: Cisco Systems