Cisco Catalyst WS-C4948E-S - Коммутатор Layer3, 48 портов 10/100/1000BaseT, 4 порта SFP+ 10G, блок питания AC, поток воздуха - Front-to-Back.
- Бренд: Cisco SB
- Гарантия: 3-39 месяцев
- Состояние: Бывший в употреблении
Купить Cisco Catalyst WS-C4948E-S - Коммутатор Layer3, 48 портов 10/100/1000BaseT, 4 порта SFP+ 10G, блок питания AC, поток воздуха - Front-to-Back.
Описание:
В комплект входит:
Блок питания PWR-C49E-300AC-R - 1 шт
Коммутаторы Cisco Catalyst 4948E Ethernet Switches из серии Cisco Catalyst 4900 предназначены для центров обработки данных. Изначально построены для обеспечения наилучшей функциональности в своем классе. Коммутаторы Cisco Catalyst 4948E предлагают front-to-back охлаждение и предназначены для упрощения архитектуры датацентра и операций, предлагая аппаратное и программное обеспечение уровня сервис-провайдеров для инсталяции в один юнит стойки.
- Присутствует возможность горячей замены блоков питания, а также вентиляторов
-
Производительность при передаче данных достигает 176 Гбит/с и 131 миллионов пакетов в секунду
-
Поддержка интерфейсов SFP и SFP+ для внедрения и перехода к скоростям 10 Гбит/с
-
Увеличенный размер буфера и алгоритмы оптимизации позволяют без потерь передать весь трафик в период перегрузок
-
Расширенные возможности качества в обслуживании позволяют настроить до 8 типов очередей на порт
|
Feature |
Cisco Catalyst 4948 Switch |
Cisco Catalyst 4948 10 Gigabit Ethernet Switch |
Cisco Catalyst 4948E Ethernet Switch |
| Performance | |||
|
Switching capacity |
96 Gbps |
136 Gbps |
176 Gbps |
|
Throughput |
72 million packets per second (mpps) |
102 mpps |
131-mpps IPv4 switching 110-mpps IPv6 switching |
|
IPv6 Support |
Software |
Software |
Hardware |
|
Height |
1RU |
1RU |
1RU |
|
10/100/1000 Gbps ports |
48 (last 4 are combination ports) |
48 |
48 |
|
10 Gigabit Ethernet fiber ports |
0 |
2 X2 based |
4 SFP+ |
|
Gigabit Ethernet fiber ports |
4x SFP (combo ports) |
0 |
4 SFP |
|
Multilayer switching |
LAN Base, IP Base and Enterprise Services |
LAN Base, IP Base and Enterprise Services |
LAN Base, IP Base and Enterprise Services |
|
Shared packet buffer |
16 MB |
16 MB |
17.5 MB |
|
Latency |
5.9 microseconds |
4.4 microseconds |
4 microseconds |
|
CPU |
266 MHz |
666 MHz |
1.0 GHz |
|
Synchronous Dynamic RAM (SDRAM) |
256 MB |
256 MB |
1024 MB |
|
Active VLANs |
4096 |
4096 |
4096 |
|
Multicast entries |
• 28,000 (Layer 3) • 16,000 (Layer 2) |
• 28,000 (Layer 3) • 16,000 (Layer 2) |
• 32,000 (IPv4 Layer 3) • 16,000 (IPv6 Layer 3) • 32,000 (Layer 2) |
|
Per-VLAN Spanning Tree (PVST) and VLAN IDs |
4,096 |
4,096 |
4096 |
|
Spanning Tree Protocol instances |
1500 |
1500 |
3000 |
|
Switched virtual interfaces (SVIs) |
2000 |
2000 |
4000 |
|
Security and QoS hardware entries |
16,000 |
16,000 |
32,000 |
|
MAC addresses |
32,000 |
55,000 |
55,000 |
|
Switched Port Analyzer (SPAN) |
2 ingress and 4 egress |
2 ingress and 4 egress |
8 ingress and 8 egress |
|
Minimum software requirement |
Cisco IOS Software Release 12.2(20)EWA or later |
Cisco IOS Software Release 12.2(25)EWA or later |
Cisco IOS Software Release 12.2(54)SG or later |
|
Feature |
Specification |
|
Layer 2 features |
• Layer 2 switch ports and VLAN trunks • IEEE 802. 1Q VLAN encapsulation • Dynamic Trunking Protocol (DTP) • VLAN Trunking Protocol (VTP) and VTP domains • VTP Pruning • PVST and PVST+ • Flexlink • Spanning Tree PortFast and PortFast Guard • Spanning Tree UplinkFast and BackboneFast • IEEE 802.1s • IEEE 802.1w • IEEE 802.3ad • Spanning Tree Root Guard • Cisco Discovery Protocol Versions 1 and 2 • IGMPv1, v2, and v3 snooping • Cisco EtherChannel technology, Cisco Fast EtherChannel technology, and Cisco Gigabit EtherChannel technology • Port Aggregation Protocol (PAgP) • Link Aggregation Control Protocol (LACP) • Unidirectional link detection (UDLD) and aggressive UDLD • IEEE 802.1 QinQ in hardware • Layer 2 protocol tunneling • Multilayer jumbo frames (up to 9216 bytes) • Baby giants (up to 1600 bytes) • Unidirectional Ethernet • Storm control (formally known as broadcast and multicast suppression) • Private VLANs (PVLANs) • Forced 10/100 autonegotiation • Web Content Communication Protocol (WCCP) Version 2 Layer 2 redirect • Private VLAN promiscuous trunk • Layer 2 promiscuous trunk over trunk port (L2PT) • Class-of-service (CoS) mutation • E-OAM IEEE 802.3ah and CFM IEEE 802.1ag |
|
Layer 3 features |
• Jumbo frames on all ports (up to 9216 bytes) • Hardware-based IP Cisco Express Forwarding routing • IP Routing Protocols: EIGRP, OSPF, RIP, IS-IS, and RIP2 • BGP4 and Multicast BGP (MBGP) • NSF awareness • Hot Standby Router Protocol (HSRP) Versions 1 and 2 • Software routing of Internetwork Packet Exchange (IPX) and AppleTalk • IGMPv1, v2, and v3 • IGMP filtering on access and trunk ports • IP Multicast Routing Protocols: PIM, SSM, and Distance Vector Multicast Routing Protocol (DVMRP) • Auto-rendezvous point (Auto-RP) • Pragmatic General Multicast (PGM) • Cisco Group Multicast Protocol server • Full Internet Control Message Protocol (ICMP) support • ICMP Router Discovery Protocol • PBR • VRF-Lite • VRF-aware IP services • OSPF fast convergence • OSPF and EIGRP fast-convergence protection • EIGRP stub • Virtual Router Redundancy Protocol (VRRP) • IP unnumbered for SVI • NSF awareness • Web Cache Communications Protocol (WCCP) Version 2 (future) • GLBP |
|
High-availability features |
• 1+1 hot swappable AC or DC power supplies • Hot-swappable field-replaceable fan tray with redundant fans • HSRPv1 and v2 • VRRP • Cisco IOS EEM • Cisco Generic Online Diagnostics (GOLD) • Smart Call Home |
|
IPv6 support |
• RIP next generation (RIPng) for IPv6 • OSPFv3 • EIGRP • PIMv6 (SM) • IPv6 unicast and multicast forwarding in hardware • IPv6 addressing architecture • Cisco Discovery Protocol IPv6 address family • Cisco Express Forwarding and Distributed Cisco Express Forwarding in hardware • Extended ACL • ICMP rate limiting • ICMPv6 • ICMPv6 redirect • IP MIB • IPv6 over IEEE 802.1Q • IPv6 over IPv4 GRE tunnel (tunnel support in software) • Intrasite Automatic Tunnel Addressing Protocol (ISATAP) • Loopback • MLD snooping • MLDv1 and v2 • Maximum transmission unit (MTU) path discovery for IPv6 • Ping • IPv6: Secure Shell (SSH) over an IPv6 transport • Stateless autoconfiguration • Static routes within IPv6 • Authentication, authorization, and accounting (AAA) • Telnet • Trivial FTP (TFTP) • Traceroute • Duplicate address detection • Standard ACL • IPv6 t |
09-08-2018