Figure 1. Cisco 2900 Series Integrated Services Routers
Product Overview
Cisco
2900 Series builds on the best-in-class offering of the existing Cisco
2800 Series Integrated Services Routers by offering four platforms
(Figure 1): the Cisco 2901, 2911, 2921, and 2951 Integrated Services
Routers.
All
Cisco 2900 Series Integrated Services Routers offer embedded hardware
encryption acceleration, voice- and video-capable digital signal
processor (DSP) slots, optional firewall, intrusion prevention, call
processing, voicemail, and application services. In addition, the
platforms support the industries widest range of wired and wireless
connectivity options such as T1/E1, T3/E3, xDSL, copper and fiber GE.
Key Business Benefits
The
Integrated Services Routers Generation 2 (ISR G2) provide superior
services integration and agility. Designed for scalability, the modular
architecture of these platforms enables you to grow and adapt with your
business needs. Table 1 lists the business benefits of the Cisco 2900
Series.
Table 1. Key Business Benefits of the Cisco 2900 Series Integrated Services Routers.
Benefits
|
Description
|
Services integration
|
•
The Cisco 2900 Series ISRs offer increased levels of services
integration with voice, video, security, wireless, mobility, and data
services, enabling greater efficiencies and cost savings.
|
Services On Demand
|
• A single Cisco IOS® Software Universal image is installed on each ISR G2. The Universal image contains all
of the Cisco IOS technology sets which can be activated with a software
license. This allows your business to quickly deploy advanced features
without downloading a new IOS image. Additionally, larger default memory
is included to support the new capabilities.
•
The Cisco Services Ready Engine (SRE) enables a new operational model
which allows you to reduce capital expenditures (CapEx) and deploy a
variety of application services as needed on a single integrated compute
services module.
|
High performance with integrated services
|
• The Cisco 2900 Series enables deployment in high speed WAN environments with concurrent services enabled up to 75 Mbps.
• A multigigabit fabric (MGF) enables high-bandwidth module-to-module communication without compromising routing performance.
|
Network agility
|
•
Designed to address customer business requirements, the Cisco 2900
Series modular architecture offers increased capacity and performance as
your network needs grow.
• Modular interfaces offer increased bandwidth, a diversity of connection options, and network resiliency.
|
Energy efficiency
|
• The Cisco 2900 Series architecture provides energy-saving features that include the following:
•
The Cisco 2900 Series offers intelligent power management and allows
the customer to control power to the modules based on the time of day.
Cisco EnergyWise technology will be supported in the future.
•
Services integration and modularity on a single platform performing
multiple functions, optimizes raw materials consumption and energy
usage.
•
Platform flexibility and ongoing development of both hardware and
software capabilities lead to a longer product lifecycle, lowering all
aspects of the total cost of ownership, including materials and energy
use.
• High efficiency power supplies are provided with each platform.
|
Investment protection
|
• The Cisco 2900 Series maximizes investment protection:
•
Reuse of a broad array of existing modules supported on the original
Integrated Services Routers provides a lower cost of ownership
•
A rich set of Cisco IOS Software features carried forward from the
original Integrated Services Routers and delivered in a single universal
image.
• Flexibility to adapt as your business needs evolve.
|
Platform Architecture and Modularity
The
Cisco 2900 Series is architected to meet the application demands of
today's branch offices with design flexibility for future applications.
The modular architecture is designed to support increasing bandwidth
requirements, time-division multiplexing (TDM) interconnections, and
fully integrated power distribution to modules supporting 802.3af Power
over Ethernet (PoE) and Cisco Enhanced PoE (ePoE). Table 2 lists the
architectural features and benefits of the Cisco 2900 Series.
Table 2. Architectural Features and Benefits
Architectural Feature
|
Benefits
|
Modular platform
|
•
The Cisco 2900 Series ISRs are highly modular platforms with several
types of module slots to add connectivity and services for varied
branch-office network requirements.
•
The ISRs offer an industry-leading breadth of LAN and WAN connectivity
options through modules to accommodate field upgrades for future
technologies without requiring a platform replacement.
|
Processors
|
•
The Cisco 2900 Series are powered by high-performance multi-core
processors that can support the growing demands of high-speed WAN
connections to the branch-office while also running multiple concurrent
services.
|
Embedded IP Security with Security Sockets Layer (IPSec/SSL) VPN hardware acceleration
|
•
Embedded hardware encryption acceleration is enhanced to provide higher
scalability, which combined with an optional Cisco IOS Security
license, enables WAN link security and VPN services (both IPSec and SSL
acceleration).
• The onboard encryption hardware replaces and outperforms the advanced integration modules (AIMs) of previous generations.
|
Multigigabit fabric (MGF)
|
•
The Cisco 2900 Series introduces an innovative multigigabit fabric
(MGF) that allows for efficient module-to-module communication, enabling
tighter services interactions across modules while reducing the
overhead on the route processor.
|
TDM interconnectivity fabric
|
•
Unified communications services in the branch office are significantly
enhanced with the use of a TDM interconnectivity fabric in the system
architecture, allowing for scaling of DS-0 channel capacity.
|
Integrated Gigabit Ethernet ports
|
• All onboard WAN ports are 10/100/1000 Gigabit Ethernet WAN routed ports.
•
One of the three 10/100/1000 Ethernet WAN ports on the Cisco 2921 and
2951 supports Small Form-Factor Pluggable (SFP)-based connectivity in
lieu of a RJ-45 port and enabling fiber connectivity.
|
Innovative universal-serial-bus (USB)-based console access
|
•
A new, innovative USB console port offers management connectivity for
devices without a serial port such as modern laptop computers.
• Traditional console and auxiliary ports are also available.
|
Optional integrated power supply for distribution of PoE and universal DC power supply
|
•
An optional upgrade to the internal power supply provides inline power
(802.3af-compliant PoE and Cisco Inline Power) to integrated switch
modules.
•
On the Cisco 2911, 2921, and 2951, an optional DC power supply will be
available in the future that extends deployment into central offices and
industrial environments.
|
Optional External Redundant Power Supply (RPS)
|
•
The Cisco 2911, 2921, and 2951 allow for power redundancy through the
use of an external RPS device, thereby decreasing network downtime and
protecting the network from power-supply failures.
•
Redundant power on the Cisco 2900 Series is supported through the Cisco
RPS 2300 Redundant Power System. You can use the Cisco RPS 2300 to
provide redundant power for Cisco 2900 Series ISRs as well as Cisco
Catalyst® switches.
•
In order to use the Cisco RPS 2300, an external RPS adapter is required
(configurable option) to connect the platform to the external RPS.
|
PoE Boost
|
•
When connected to an external RPS device, the Cisco 2911, 2921, and
2951 can operate in a PoE boost configuration in lieu of redundant power
mode-whereby the power capacity of the platform is increased to twice
the normal level to power additional PoE ports.
|
Designed for Flexible Deployments
|
• The Cisco 2911 and 2951 are designed for NEBS environments
•
The 2911 is 12" deep and has an optional fan filter for deployments in a
variety of environments. An assembly that provides front-to-back
airflow is also available for 23" racks.
|
Modularity Features and Benefits
The
Cisco 2900 Series provides significantly enhanced modular capabilities
(refer to Table 3) offering investment protection for customers. Most of
the modules available on previous generations of Cisco routers, such as
the Cisco 2800 Series, are supported on the Cisco 2900 Series.
Additionally, modules can be used on other supported Cisco platforms to
provide maximum investment protection. Taking advantage of common
interface cards across a network greatly reduces the complexity of
managing inventory requirements, implementing large network rollouts,
and maintaining configurations across a variety of branch-office sizes.
A complete list of supported modules, including a list of supported SFPs for the Cisco 2900 Series, is available at:
http://www.cisco.com/go/2900
Table 3. Modularity Features and Benefits
ISR Modules
|
Benefits
|
Cisco Service Module
|
• Each service module slot offers high-data-throughput capability:
• Up to 4 Gbps aggregate toward the route processor
• Up to 2 Gbps aggregate to other module slots over MGF
•
Service module (SM) slots are highly flexible with support for
double-wide service modules (SM-D's), which are Service Modules that
require two SM slots. SM-Ds in the Cisco 2921 and 2951 provide
flexibility for higher-density modules.
•
A service module slot replaces the network module and the extension
module for voice/fax (EVM) slots and is offered on Cisco 2911, 2921, and
2951 ISRs.
• An adapter module enables backward compatibility with existing network modules, enhanced network modules (NMEs), and EVMs.
•
Service module slots provide twice the power capabilities relative to
the network-module slots, allowing for flexibility for higher-scale and
better-performance modules.
•
Power to service module slots can be managed by extensions similar to
the Cisco EnergyWise framework, so your organization can reduce energy
consumption in your network infrastructure. Full EnergyWise support will
be available in future software releases.
|
Cisco Enhanced High-Speed WAN Interface Card (EHWIC)
|
•
The EHWIC slot provides enhancements to the prior generation's
high-speed WAN interface card (HWIC) slots while provide maximum
investment protection by natively supporting HWICs, WAN interface cards
(WICs), voice interface cards (VICs), and voice/WAN interface cards
(VWICs).
• Four integrated EHWIC slots on the Cisco 2901, 2911, 2921, and 2951 allow for more flexible configurations.
• Each HWIC slot offers high-data-throughput capability:
• Up to 1.6 Gbps aggregate toward the route processor
• Up to 2 Gbps aggregate to other module slots over the MGF
•
Flexibility to support double-wide modules is enabled by combining two
EHWIC slots. Up to 2 double-wide HWIC (HWIC-D) modules are supported.
|
Cisco Internal Services Module (ISM)
|
A single ISM slot provides flexibility to integrate intelligent service modules on an internal slot within the chassis
• Each ISM slot offers high-data-throughput capability:
• Up to 4 Gbps aggregate toward the route processor
• Up to 2 Gbps aggregate to other module slots over the MGF
• The ISM replaces the AIM slot; existing AIM modules are not supported in the ISM slot.
•
Power to ISM slots can be managed by extensions similar to the Cisco
EnergyWise framework, so your organization can reduce energy consumption
in your network infrastructure. Full EnergyWise support will be
available in future software releases.
|
Cisco High-Density Packet Voice Digital Signal Processor (DSP) Module (PVDM3) slots on motherboard
|
• PVDM3 slots natively support PVDM3 modules, providing support for richer density for rich-media voice and video.
• Each PVDM3 slot connects back to the system architecture through a 2 Gbps aggregate link through the MGF.
• Investment protection for PVDM2 modules is supported through an adapter module.
•
Power to the PVDM slots can be managed by extensions similar to the
Cisco EnergyWise framework, so your organization can reduce energy
consumption in your network infrastructure. Full EnergyWise support will
be available in future software releases.
|
Compact Flash slots
|
•
Two external Compact Flash slots are available on the Cisco 2900 Series
Integrated Services Routers. Each slot can support high-speed storage
densities upgradeable to 4 GB in density.
|
USB 2.0 ports
|
• Two high-speed USB 2.0 ports are supported. The USB ports enable secure token capabilities and storage.
|
Cisco IOS Software
Cisco
2900 Series Integrated Services Routers deliver innovative technologies
running on industry-leading Cisco IOS Software. Developed for wide
deployment in the world's most demanding enterprise, access, and service
provider networks, the Integrated Services Routers Generation 2
platforms are supported on Cisco IOS Software releases 15M&T.
Release 15.0(1)M is available immediately and provides support for a
comprehensive portfolio of Cisco technologies, including the
functionality and features delivered in releases 12.4 and 12.4T. New
innovations in 15.0(1)M span multiple technology areas, including
security, voice, high availability, IP Routing and Multicast, quality of
service (QoS), IP Mobility, Multiprotocol Label Switching (MPLS), VPNs,
and embedded management.
Cisco IOS Software Licensing and Packaging
A
single Cisco IOS Universal image encompassing all IOS technology
feature sets is delivered with the platforms. You can enable advanced
features by activating a software license on the Universal image. In
previous generations of access routers, these feature sets required you
to download a new software image. Technology packages and feature
licenses, enabled through the Cisco software licensing infrastructure,
simplify software delivery and decrease the operational costs of
deploying new features.
Four
major technology licenses are available on the Cisco 2900 Series
Integrated Services Routers; you can activate the licenses through the
Cisco software activation process identified at
http://www.cisco.com/go/sa. The four licenses are as follows:
• IP Base: This technology package is available as default.
• Data
• Unified Communications
• Security (SEC) or Security with No Payload Encryption (SEC-NPE)
For
additional information and details about Cisco IOS Software licensing
and packaging on Cisco 2900 Series Integrated Services Routers, please
visit
http://www.cisco.com/go/2900l
Key Branch-Office Services
The
Cisco Integrated Services Routers are industry-leading platforms that
offer unprecedented levels of services integration. Designed to meet the
requirements of the branch office, these platforms provide a complete
solution with voice, video, security, mobility and application services.
Businesses enjoy the benefit of deploying a single device that meets
all their needs, reducing capital and operational expenses.
Unified Communications, Collaboration, and Voice-Gateway Services
The
Cisco 2900 Integrated Services Router is the foundation for
collaboration in the small and midsize branch office, serving as a
critical component of a Cisco's video architecture (Medianet) and
enterprise Unified Communications solution. With embedded voice services
and a wide range of supported telephony interfaces, the Cisco 2900
Series delivers maximum deployment flexibility for the distributed
enterprise. Unified communications is enabled through a rich signaling
and media-processing infrastructure, including a variety of protocols,
media interworking, signal and media security, transcoding,
conferencing, and QoS. Cisco Integrated Services Routers also feature a
wide range of voice-gateway interfaces, supporting a broad array of
signaling and physical network interfaces.
The
Cisco 2900 Series enables a full range of existing and emerging video
services, with scaling improvements to support Cisco TelePresence®
conferencing, security, and session control. The Cisco Unified Border
Element extends these capabilities for business-to-business TelePresence
communications. The Cisco 2900 Series adds support for the new Cisco
High-Density Packet Voice Digital Signal Processor (DSP) Module (PVDM3),
which has been optimized for voice and video support. The new PVDM3
modules support all voice-gateway functions of earlier generations of
PVDMs and add higher density and more processing power to support
emerging rich-media applications. The Cisco 2900 Series provides 2 or 3
onboard PVDM3 slots, depending on the platform.
Specifications
PRODUCT : Cisco 2911 Integrated Service Router
CONFIG : Cisco 2911 with 3 onboard GE, 4 EHWIC slots, 2 DSP slots,
1 ISM slot, 256MB CF default ,512MB DRAM default, IP Base
SERVICES AND SLOT DENSITY :
Embedded hardware-based cryptography acceleration (IPSec + SSL): Yes
Cisco Unified SRST Sessions: 50
Cisco Unified CCME Sessions: 50
Total onboard WAN 10/100/1000 Ports: 3
RJ-45-based ports : 3
Service Module slot : 1
EHWIC slots : 4
Double-wide EHWIC slots (use of a double-wide EHWIC
slot will consume two EHWIC slots): 2
ISM slots: 1
Onboard DSP (PVDM) slots: 2
Memory DDR2 ECC DRAM Default: 512 MB
Compact Flash (external) Default: slot 0: 256 MB
External USB 2.0 flash memory slots (Type A): 2
USB Console port (Type B) (up to 115.2 kbps): 1
Serial console port: 1
Serial auxiliary port: 1
DIMENSIONS (H x W x D) : 3.5 x 17.25 x 12 in. (88.9 x 438.2 x 304.8 mm)
RACK HEIGHT : 2RU.
No comments:
Post a Comment