Коммутатор Cisco Catalyst WS-C4900M
/ 
- Аппаратная и программная модели базируются на архитектуре Catalyst 4500
- Блоки питания и вентиляторы с резервированием и горячей заменой
- Пропускная способность — до 136 Гбит/с
- Производительность маршрутизации — до 102 млн. пакетов/с
Features and Benefits
|
Feature |
Benefit |
|
Outstanding Scalability |
|
|
17.5 MB shared buffers |
Large buffers for microburst and high traffic control |
|
Up to 320 Gbps and 250 mpps wire-speed performance with low latency |
Delay-sensitive traffic forwarded without interruption |
|
Wire-speed uplinks |
Elimination of oversubscription bottlenecks between downlinks and uplinks across the switch with any combination of half cards |
|
Configuration Flexibility |
|
|
Choice of Gigabit Ethernet and 10 Gigabit Ethernet interfaces |
Granular configuration options for all—Gigabit Ethernet to 10 Gigabit Ethernet transition |
|
Choice of copper or fiber 1G/10G Ethernet interfaces |
Mix and match 1G/10G RJ-45 and X2 line cards |
|
Online insertion and removal of cards |
In-service line card changes |
|
Cisco TwinGig Converter Module support* |
Gigabit Ethernet and 10 Gigabit Ethernet interface support on the same card |
|
Dual AC or DC power |
High availability for nonstop operation |
|
Investment Protection |
|
|
Modular half slots |
Migration to new media types through additional half cards |
|
Field-replaceable power supplies and hot-swappable removable fan |
Extended longevity of hardware |
|
Use of existing software |
Consistent operational model for all Cisco Catalyst 4900 Series Switches |
* Supported only on 8-port (2:1) 10 Gigabit Ethernet (X2) half card.
Cisco Catalyst 4900M Configuration Options
|
Configuration |
10 Gigabit Ethernet (X2) Ports |
1/10 Gigabit Ethernet (10GBASE-T) Ports |
10/100/1000 Ports |
Gigabit Ethernet (Small Form-Factor Pluggable [SFP]) Ports Using TwinGig Converter Module |
|
10/100/1000 access with 10 Gigabit Ethernet uplinks |
8 |
0 |
40 |
0 |
|
10/100/1000 and 10 Gigabit Ethernet access with 10 Gigabit Ethernet uplinks |
12 or 16 |
0 |
20 |
0 |
|
Gigabit Ethernet (SFP) access with 10 Gigabit Ethernet uplinks |
8 |
0 |
0 |
32 |
|
Gigabit Ethernet (SFP) and 10 Gigabit Ethernet access with 10 Gigabit Ethernet uplinks |
12 or 16 |
0 |
0 |
16 |
|
10 Gigabit Ethernet access (X2) with 10 Gigabit Ethernet uplinks |
16 or 24 |
0 |
0 |
0 |
|
Gigabit Ethernet (SFP) and 10/100/1000 access with 10 Gigabit Ethernet uplinks |
8 |
0 |
20 |
16 |
|
10 Gigabit Ethernet access (10GBASE-T) with 10 Gigabit Ethernet Uplinks |
8 |
16 |
0 |
0 |
|
10/100/1000 and 10 Gigabit (10GBASE-T) Ethernet access with 10 Gigabit Ethernet uplinks |
8 |
8 |
20 |
0 |
|
10 Gigabit (10GBASE-T) and 10 Gigabit (X2) Ethernet access with 10 Gigabit Ethernet uplinks |
12 or 16 |
8 |
0 |
0 |
|
10 Gigabit (10GBASE-T) and Gigabit Ethernet (SFP) access with 10 Gigabit Ethernet uplinks |
8 |
8 |
0 |
16 |
Software Configuration Options for the Cisco Catalyst 4900M Switch
|
Software Image |
Description |
|
IP Base image |
Standard Layer 3 image, including Routing Information Protocol Version 1 (RIPv1), RIPv2, static routes, and Enhanced Interior Gateway Routing Protocol (EIGRP) stub |
|
Enterprise Services image |
Enhanced Layer 3 image, including Open Shortest Path First (OSPF), EIGRP, and Border Gateway Protocol (BGP); also includes all IP Base image features |
