Wednesday, July 11, 2012

Cisco ISR 4000 Series Router Introduction

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Cisco ISR 4000 Series Router Introduction

Cisco 4K series Routers are new model routers to replace the gap between 200 Mbps WAN speed to 1 Gbps Bandwidth for MPLS networks or WAN Speed. They are the basically replacements for Cisco 7200 and Cisco 7600 Series routers.

Let’s Discuss more regarding the Cisco 4k Series router in details as follows:

The Cisco 4000 Series ISRs are modular routers with LAN and WAN connections that can be configured by means of interface modules, including Cisco Enhanced Service Modules (SM-Xs), and Network Interface Modules (NIMs).

Cisco 4000 Series ISRs introduce new chassis, modules, and WAN services with a robust management framework and validated designs for the Cisco Intelligent WAN. Cisco 4000 platforms, together with Cisco UCS E-Series server modules, provide a flexible platform that can easily adapt to the changing application landscape. Use these routers to support all cloud applications on any device.

Fig 1.1- Cisco ISR 4K Router
Cisco 4000 Series ISRs are designed to meet Gigabit forwarding performance needs while running the broadest set of network and application services on a single platform. They offer:
  • High-quality user experience
  • During peak loads, the multi-core CPU architecture running Cisco IOS-XE can enable resiliency by using separate control and data services planes.
  • Faster response to business and user needs
  • New pay-as-grow performance an services allows IT increase throughput and expand across a rich portfolio of on-demand network and application services with no truck rolls
  • A wide range of connectivity options
  • ISR 4000 supports integrated Gigabit Ethernet, T1/E1, T3/E3, PRI, xDSL, and more
  • Unified communications
  • Get comprehensive edge support for session border control, branch telephony survivability, TDM gateways, and more.

Operations and management

Get IT automation for configuration, monitoring, and management through the Cisco Application Policy Infrastructure Controller (APIC) Enterprise Module and an open ecosystem of partners.

Branch infrastructure
Reduce branch footprint and power consumption with an all-in-one platform that brings together network, compute, and storage. Customers can choose optional integrated compute and storage with Cisco UCS E-Series Servers for hosting applications and services.

Meeting unplanned business requirements
Deploying 4000 Series ISRs allows you to expand and pay for products only as your needs grow. Customers can standardize on a single platform and add services and capacity without disruptions or truck rolls.

Hardware Features
Cisco IOS XE Operating System
1-rack-unit (RU) or 2RU form factor
Up to 2 Gbps of throughput
Up to 3 network interface module slots
Up to 2 service module slots
Up to 4 integrated 10/100/1000 Ethernet ports
Up to 8 CPU core integrated server modules

Compare the Various Models of Cisco ISR 4000 Series Platform
The Cisco 4000 Series ISR family offers the highest performance within the ISR portfolio. The family contains the Cisco 4451, 4431, 4351, 4331, and 4321 routers, which differ primarily in performance capabilities and in the number of Network Interface Module (NIM) and Enhanced Service Module (SM-X) slots supported.

You can order Cisco 4000 Series ISR platforms with dual power supplies that may be configured for power-supply redundancy or increased power for Power over Ethernet (PoE). The primary and secondary power supplies can be AC, PoE, DC, or any combination of the three. In order to power PoE ports on a switch module integrated into a router, you must order the router with a PoE power supply.

You can order the power supplies listed in Table 2 with the system or as spares. The PoE power supply on the Cisco 4000 Series ISRs requires a C15-rated power cable to accommodate the higher current rating of these power supplies.

Cisco 4400 Series ISRs (models 4451 and 4431) ship with a default memory of 2 GB of DRAM for the data plane, 4 GB of DRAM for the control plane, and 8 GB of flash memory. The 4 GB DRAM configuration for the control plane is derived by the installation of two symmetrical dual in-line memory modules (DIMMs) of 2 GB in each of the memory slots.

The Cisco 4300 Series ISRs (4351, 4331, and 4321) ship with a default memory of 4 GB of DRAM for both the control plane and data plane and 4 GB of flash memory. In the 4351 and 4331, the 4-GB DRAM configuration is derived by the installation of two symmetrical DIMMs of 2 GB in each of the memory slots of the Cisco 4351 and 4331 ISR platforms. In the Cisco 4321 ISR, 4 GB of DRAM is soldered on to the motherboard and is not serviceable.

When upgrading memory to higher densities, both memory slots must be populated with DIMMs of the same type and density for high system performance. The Cisco 4000 Series platform does not support the use of different DRAM densities in the two available DIMM slots or the use of only one slot.

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