Data Sheet
Cisco 3900 Series Integrated Services Routers
Cisco® 3900 Series Integrated Services Routers build on 25 years of Cisco innovation
and product leadership. The new Cisco Integrated Services Routers Generation 2
(ISR G2) platforms are architected to enable the next phase of branch-office
evolution, providing rich-media collaboration and virtualization to the branch office
while maximizing operational cost savings. The new routers support new highcapacity digital signal processors (DSPs) for future enhanced video capabilities, highpowered service modules with improved availability, multicore CPUs, Gigabit Ethernet
switching with Cisco Enhanced Power over Ethernet (ePoE), and new energy visibility
and control capabilities while enhancing overall system performance. Additionally, a
new Cisco IOS® Software Universal image and Cisco Services Ready Engine (SRE)
module enable you to decouple the deployment of hardware and software, providing a
flexible technology foundation that can quickly adapt to evolving network
requirements. Overall, the Cisco 3900 Series offers exceptional total cost of
ownership (TCO) savings and network agility through the intelligent integration of
market-leading security, unified communications, wireless, and application services.
Figure 1.
Cisco 3900 Series Integrated Services Routers
Product Overview
The Cisco 3900 Series builds on the best-in-class offering of the existing Cisco 3800 Series Integrated Services
Routers by now offering four platforms (Figure 1): the Cisco 3945E, Cisco 3925E, Cisco 3945, and Cisco 3925
Integrated Services Routers.
The Cisco 3900 Series offers embedded hardware encryption acceleration, voice- and video-capable DSP slots,
optional firewall, intrusion prevention, call processing, voicemail, and application services. In addition, the
platforms support the industry’s widest range of wired and wireless connectivity options such as T1/E1, T3/E3,
xDSL, copper, and fiber Gigabit Ethernet.
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
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The Cisco 3900 Series offers superior performance and flexibility for flexible network deployments from small
business offices to large enterprise offices—all while providing industry-leading investment protection.
Key Business Benefits
®
The Cisco ISR G2 routers provide superior services integration and agility. Designed for scalability, the modular
architecture of these platforms enables you to evolve and adapt with your growing business needs. Table 1 lists
the business benefits of the Cisco 3900 Series.
Table 1.
Cisco 3900 Series Business Benefits
Benefits
Description
Services integration
● The Cisco 3900 Series routers offer increased levels of services integration with voice, video, security, mobility,
and data services.
● The Cisco 3900 Series provides the highest performance and slot densities among the routers in the Cisco ISR
G2 portfolio, enabling you to maximize services integration and reducing overall capital expenditures (CapEx)
and operating expenses (OpEx).
Services on demand
● A single Cisco IOS Software Universal image is installed on each Cisco ISR G2. The Universal image contains
all of the Cisco IOS Software technology sets, which you can activate with a software license. With the
Universal image your business can quickly deploy advanced features without downloading a new Cisco IOS
Software image. Additionally, larger default memory is included to support the new capabilities.
● The Cisco SRE enables a new operational model that allows you to reduce CapEx and deploy a variety of
application services as needed on a single integrated compute services module.
High performance with
integrated services
● The Cisco 3900 Series enables deployment in high-speed WAN environments with concurrent services
enabled up to 350 Mbps.
● A multigigabit fabric (MGF) enables high-bandwidth module-to-module communication without compromising
router performance.
Network agility
● Designed to address customer business requirements, the Cisco 3900 Series with the modular architecture
offers increased capacity and performance as your network needs grow.
● The Cisco Services Performance Engine (SPE) modular motherboard enables upgrades to processing
capability in the future.
● Dual integrated power supplies provide power redundancy; you can also configure them to provide additional
Cisco ePoE power to endpoints.
● Modular interfaces offer increased bandwidth, a diversity of connection options, and network resiliency.
Energy efficiency
● The Cisco 3900 Series architecture provides energy-savings features that include the following:
Investment protection
◦
The Cisco 3900 Series offers intelligent power management and allows you 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 allows you to perform multiple functions, optimizing
consumption of raw materials 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 TCO—including materials and energy use.
◦
High-efficiency power supplies and scalable power consumption are based on your network needs.
● The Cisco 3900 Series maximizes investment protection by supporting:
◦
Reuse of a broad array of existing modules supported on the original Cisco Integrated Services Routers to
provide a lower TCO
◦
A rich set of Cisco IOS Software features carried forward from the original Cisco Integrated Services Routers
and delivered in a single universal image
● The Cisco 3900 Series offers extensive growth possibilities as your network expands:
◦
The SPE modular motherboard enables flexibility for future upgrades.
◦
The highest scale for module density provides flexibility to add services as your business needs expand.
◦
A 1-Gb default memory provides headroom to minimize field upgrades.
Platform Architecture and Modularity
The Cisco 3900 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
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
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supporting 802.3af PoE and Cisco ePoE. Table 2 lists the architectural features and benefits of the Cisco 3900
Series.
Table 2.
Architectural Features and Benefits of Cisco 3900 Series
Architectural Features
Benefits
Modular platform
● The Cisco 3900 Series routers are highly modular platforms with several types of module slots to add
connectivity and services for varied branch-office network requirements.
● The routers offer an industry-leading breadth of LAN and WAN connectivity options through modules to
accommodate field upgrades to future technologies without requiring platform replacement.
● The Cisco SPE on the Cisco 3900 offers the ability to increase the performance of the router with a fieldupgradable motherboard as your network needs grow.
Processors
● The Cisco 3900 Series routers are powered by high-performance multicore 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
Secure Sockets Layer
(IPSec/SSL) VPN hardware
acceleration
● Embedded hardware encryption acceleration is enhanced to provide higher scalability, which, combined with an
optional Cisco IOS Software Security license, enables WAN link security and VPN services (both IPSec and
SSL acceleration).
● The onboard encryption hardware outperforms the advanced integration modules (AIMs) of previous
generations.
Multigigabit fabric (MGF)
● The Cisco 3900 Series introduces an innovative MGF that allows for efficient module-to-module
communication, enabling tighter services interactions across modules while reducing the overhead on the
router processor.
TDM interconnectivity fabric
● Unified communications services in the branch office are significantly enhanced with the use of TDM
interconnectivity fabric in the router architecture, allowing for scaling of DS-0 channel capacity.
Integrated Gigabit Ethernet
ports
● The Cisco 3900 Series provides up to four 10/100/1000 Ethernet WAN ports.
● Two of the 10/100/1000 Ethernet WAN ports on the Cisco 3900 Series can support Small Form-Factor
Pluggable (SFP)-based connectivity in lieu of RJ-45 ports, enabling fiber connectivity.
Innovative universal-serial-bus
(USB)-based console access
● A new, innovative, mini-B USB console port supports management connectivity when traditional serial ports are
not available.
● 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, Cisco ePoE,
and Cisco Inline Power) to optional integrated switch modules.
● An optional DC power supply that extends possible deployment environments such as central offices and
industrial environments will be available in the future.
Optional integrated redundant
power supply (RPS) and PoE
boost
● Power redundancy is available by installing an optional integrated RPS, thereby decreasing network downtime
and protecting the network from power-supply failures.
● When populated with dual integrated power supplies, the Cisco 3900 Series can operate in a configurable PoE
boost mode in lieu of redundant power mode whereby the power capacity of the platform is increased to almost
twice the normal power to support additional PoE ports.
Designed for flexible
deployments
● The Cisco 3945 and 3925 are designed for Network Equipment Building Systems (NEBS) environments.
Modularity Features and Benefits
The Cisco 3900 Series provides significantly enhanced modular capabilities (refer to Table 3) while maintaining
investment protection for customers. Most of the modules available on previous generations of Cisco routers, such
as the Cisco 3800 Series Integrated Services Routers, are supported on the Cisco 3900 Series. Additionally,
modules used on the Cisco 3900 Series can easily be supported on other routers in the Cisco Integrated Services
Router portfolio 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 3900 Series, is available at:
http://www.cisco.com/en/US/products/ps10536/products_relevant_interfaces_and_modules.html.
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
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Table 3.
Modularity Features and Benefits
Architectural Features
Benefits
Cisco Services Performance Engine (SPE)
● The Cisco 3900 Series offers field-replaceable SPEs.
● These SPEs allow you to protect your initial investment in the Cisco 3900 platform for a longer
time period and scale router performance as your network and branch-office needs grow.
Cisco Services Module
● A service-module slot replaces the network module and the extension module for voice and fax
(EVM) slots and is offered on Cisco 3900 Integrated Services Routers.
● Each service-module slot offers high data-throughput capability:
◦
Up to 4-Gbps aggregate toward the router processor
◦
Up to 2-Gbps aggregate to other module slots over the MGF
● Service-module slots are highly flexible, with support for doublewide service modules, which
are service modules that require two service-module slots. Doublewide service modules
provide flexibility for higher-density modules.
● Service-module slots provide twice the power capabilities relative to the network-module slots,
allowing flexibility for higher-scale and better-performance modules.
● An adapter module enables backward compatibility with existing network modules, enhanced
network modules (NMEs), and EVMs.
● You can manage power to service-module slots by extensions similar to the Cisco EnergyWise
framework, so your organization can reduce energy consumption in your network infrastructure.
Full Cisco EnergyWise support will be available in future software releases.
Cisco Enhanced High Speed WAN Interface
Card (EHWIC)
● The EHWIC slot replaces the high-speed WAN interface card (HWIC) slot and can natively
support HWICs, WAN interface cards (WICs), voice interface cards (VICs), and voice/WAN
interface cards (VWICs).
● Three integrated EHWIC slots on the Cisco 3945E and Cisco 3925E or four integrated EHWIC
slots on the Cisco 3945 and Cisco 3925 allow for flexible configurations.
● Each HWIC slot offers high-data-throughput capability:
◦
Up to 1.6-Gbps aggregate toward the router processor
◦
Up to 2-Gbps aggregate to other module slots over the MGF
● Flexibility to support doublewide modules is enabled by combining two EHWIC slots. Up to 2
doublewide HWIC (HWIC-D) modules are supported.
Cisco Internal Services Module (ISM)
● A single ISM slot provides flexibility to integrate intelligent services modules that do not require
interface connections in the Cisco 3945 and Cisco 3925.
● 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.
● You can manage power to ISM slots by extensions similar to the Cisco EnergyWise framework,
so your organization can reduce energy consumption in your network infrastructure. Full Cisco
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 richmedia 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.
● You can manage power to the PVDM slots by extensions similar to the Cisco EnergyWise
framework, so your organization can reduce energy consumption in your network infrastructure.
Full Cisco EnergyWise support will be available in future software releases.
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
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Architectural Features
Benefits
Compact Flash slots
● Two external Compact Flash slots are available on the Cisco 3900 Series Integrated Services
Routers. Each slot can support high-speed storage densities upgradable to 4 GB in density.
USB 2.0 ports
● Two high-speed USB 2.0 ports are supported; they provide secure token capabilities and
storage.
Cisco IOS Software
Cisco 3900 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, Cisco IOS Software Releases 15M and T support a comprehensive portfolio of Cisco
technologies, including the functions and features delivered in Releases 12.4 and 12.4T. New innovations in
Release 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. Available immediately for the Cisco 3900 Integrated Services Routers, Release 15.0(1)M will be an
extended support release. For more information about Release 15.0(1)M, please visit http://www.cisco.com/go/ios.
Cisco IOS Software Licensing and Packaging
A single Cisco IOS Universal image encompassing all functions 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 3900 Series Integrated Services Routers; you can
activate the licenses through the Cisco software activation process identified at http://www.cisco.com/go/sa. The
following licenses are available:
●
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 3900 Series
Integrated Services Routers, please visit http://www.cisco.com/go/g2licensing.
Key Branch-Office Services
The industry-leading Cisco Integrated Services Routers 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 benefits by deploying a single device that
meets all their needs, reducing CapEx and OpEx.
Unified Communications, Collaboration, and Voice-Gateway Services
The Cisco 3900 Integrated Services Router is the foundation for collaboration in branch offices of any size and is a
critical component of Cisco's video architecture (Medianet) and enterprise Unified Communications solution. With
embedded voice services and a wide range of telephony interfaces supported, the Cisco 3900 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
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
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media security, transcoding, conferencing, and QoS. Cisco Integrated Services Routers feature a wide range of
voice-gateway interfaces, supporting a broad array of signaling and physical network interfaces. The performance
improvements introduced with the Cisco 3900 Series help ensure that branch-office employees benefit from the
same productivity advantages and wide breadth of services and applications as those enjoyed by the
headquarters-based employees.
The Cisco 3900 Series enables a full range of existing and emerging video services, with scaling improvement to
®
support Cisco TelePresence conferencing, security, and session control. Cisco Unified Border Element extends
these capabilities for business-to-business TelePresence communications.
The Cisco 3900 Series adds support for the new Cisco High-Density Packet Voice Digital Signal Processor
Module (PVDM3), which has been optimized for concurrent voice and video support. The 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 3900 Series can support up to 4 onboard PVDM3 slots,
able to scale up to 768 G.729a channels.
Cisco Unified Communications Manager Express and Survivable Remote Site Telephony
The Cisco Integrated Services Routers inherently provide optional unified communications services within the
Cisco IOS Software, delivering the advantage of server hardware reduction and lower energy costs at the branch
office. Cisco Unified Communications Manager Express (CME) provides the broad range of IP private-branchexchange (PBX) and key-system features integrated into the router for branch offices. Cisco Survivable Remote
Site Telephony (SRST), also inherently available in Cisco IOS Software and an option on the Cisco 3900 Series,
helps ensure that branch-office employees have uninterrupted telephony services and features, even if the
®
connection to a centralized Cisco Unified Communications Manager is disrupted. Coupled with Cisco Unity
Express, the integrated solution for voicemail, Automated Attendant, and interactive voice response (IVR), the
Cisco 3900 Series offers the branch office a complete range of unified communications services while delivering
industry-leading security within a single platform.
Cisco Unified Border Element
The Cisco Unified Border Element capabilities supported on the Cisco 3900 address the emerging requirements in
an IP-centric interconnect for branch-office unified communications between enterprises and service provider
networks. Cisco Unified Border Element provides intelligent border-element functions such as physical and logical
ingress and egress demarcation points, signaling and media control, and consolidated security and management
features. The Cisco 3900 Series supports higher scale than previously provided on the Cisco 3800 Series, with up
to 2.5 times the number of sessions.
VoiceXML Application Services
The Cisco 3900 Series inherently provides standards-certified VoiceXML browser services. VoiceXML is an openstandard markup language used to create voice-enabled web browsers and IVR applications. Just as HTML
enables you to retrieve data with a PC, VoiceXML enables you to retrieve data using voice or dual-tonemultifrequency (DTMF) telephony input. The Cisco 3900 Series can deliver a much higher range of concurrent
voice-gateway services combined with VoiceXML browser services, for more than 300 sessions on the Cisco
3945.
Integrated Network Security for Data, Voice, Video, and Mobility
Security is essential to protect a business' intellectual property while also ensuring business continuity and
providing the ability to extend the corporate workplace to employees who need anytime, anywhere access to
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
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company resources. As part of the Cisco Self-Defending Network (SDN)—an architectural framework that allows
organizations to identify, prevent, and adapt to network security threats—the Cisco 3900 Series Integrated
Services Routers facilitate secure data transactions and secure collaboration.
The Cisco IOS Software Security technology package for the Cisco 3900 Series offers a wide array of common
security features such as advanced application inspection and control, threat protection, and encryption
architectures for enabling more scalable and manageable VPN networks. The Cisco 3900 Series offers onboard
hardware-based encryption acceleration to provide greater IPSec throughput with less overhead for the route
processor when compared with software-based encryption solutions. Cisco Integrated Services Routers offer a
comprehensive and adaptable security solution for branch offices that includes features such as:
●
Secure connectivity: Secure collaborative communications with Group Encrypted Transport VPN,
Dynamic Multipoint VPN (DMVPN), or Enhanced Easy VPN
●
Integrated threat control: Responding to sophisticated network attacks and threats using Cisco IOS
Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, Cisco IOS Content Filtering, and Flexible Packet
Matching (FPM)
●
Identity management: Intelligently protecting endpoints using technologies such as authentication,
authorization, and accounting (AAA) and public key infrastructure (PKI)
Detailed information about the security features and solutions supported on the Cisco 3900 Series is available at
http://www.cisco.com/go/routersecurity.
Wireless and Mobility Services
Wireless LAN
The Cisco Integrated Services Routers supporting the Cisco Unified Wireless Architecture enable deployment of
secure, manageable wireless LANs (WLANs) optimized for remote sites and branch offices, including fast, secure
mobility; survivable authentication; and simplified management. The Cisco Wireless LAN Controller Module on the
Cisco 3900 Series routers allows small and medium-sized businesses and enterprise branch offices to costeffectively deploy and manage secure WLANs. Cisco Wireless LAN Controllers work in conjunction with Cisco
lightweight access points and the Cisco Wireless Control System (WCS) to provide systemwide WLAN functions,
managing up to 6, 12, and 25 access points. As components of the Cisco Unified Wireless Architecture, Cisco
Wireless LAN Controllers present network administrators with the visibility and control necessary to effectively and
securely manage business-class WLANs and mobility services such as enhanced security, voice, guest access,
and location services.
Wireless WAN
Cisco third-generation (3G) wireless WAN (WWAN) modules combine traditional enterprise router functions such
as remote management, advanced IP services such as voice over IP (VoIP), and security with mobility capabilities
of 3G WAN access. Using high-speed 3G wireless networks, routers can replace or complement existing landline
infrastructure, such as dialup, Frame Relay, and ISDN. Cisco 3G solutions support 3G standards High-Speed
Packet Access (HSPA) and Evolution Data Only/Evolution Data Optimized (EVDO), offering you a true multipath
WAN backup and the ability to rapidly deploy primary WAN connectivity. For more information about 3G solutions
on Cisco Integrated Services Routers, please visit http://www.cisco.com/go/3g.
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
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Integrated LAN Switching
The Cisco 3900 Integrated Services Routers support the new Cisco Enhanced EtherSwitch® Service Modules,
which greatly expand router capabilities by integrating industry-leading Layer 2 or Layer 3 switching with feature
sets identical to those found in the Cisco Catalyst® 3560-E and Catalyst 2960 Series Switches performing local
line-rate switching and routing.
The new Cisco Enhanced EtherSwitch Service Modules take advantage of the increased power capabilities on the
Cisco 3900 Series platforms. Additionally, the modules enable Cisco energy and power initiatives: Cisco
EnergyWise, Cisco ePoE and per-port PoE power monitoring, and integrated redundant power system (RPS)enabled PoE boost. These technologies allow you to meet increased endpoint power requirements without
increasing the total power consumption of the branch office.
Application Services
As organizations continue to centralize and consolidate their branch-office IT infrastructure in an effort to reduce
cost and complexity, they are challenged to provide adequate user experience, ensure continuous service
availability, and deliver business-relevant applications when and where they are needed. To address these
challenges, the Cisco 3900 Series enables you to host Cisco, third-party, and custom applications on a portfolio of
high-performance Cisco SRE modules that transparently integrate into the router. The modules have their own
processors, hard disks, network interfaces, and memory that operate independently of the host router resources,
helping to ensure maximum concurrent routing and application performance while reducing physical space
requirements, lowering power consumption, and consolidating management.
Application Acceleration
The Cisco 3900 Series transparently combines industry-leading security, Cisco IOS Software-based traffic control,
and visibility with Cisco application-acceleration solutions. Cisco IOS Software features such as Network-Based
Application Recognition (NBAR), IP service-level agreement (IP SLA), and NetFlow provide visibility and
monitoring of traffic patterns and application performance while Cisco IOS Software features such as QoS, access
control lists (ACLs), and Performance Routing intelligently control the traffic to maximize the quality of the user
experience and employee productivity. You can further enhance user experience by adding a Cisco Wide Area
Application Services (WAAS) Network Module to securely provide more advanced WAN optimization techniques
such as TCP optimization, caching, compression, and application acceleration. Cisco Integrated Services Routers
combined with Cisco WAAS Network Modules provide optimal performance for applications delivered from a
central data center to branch-office users. The solution allows you to consolidate costly server, storage, and
backup infrastructure into data centers while maintaining LAN-like service levels for remote users.
Cisco Services Ready Engine
The Cisco Services Ready Engine solution is available in service-module (SM) and ISM form factors. The servicemodule hardware offers up to a seven-times performance improvement over the previous-generation network
modules and provides a multicore x86 processor. The SRE modules also support up to 1 terabyte of storage,
Redundant Array of Independent Disks (RAID) configurations, hardware-assisted virtualization, and cryptography
options. The Cisco SRE module enables on-demand provisioning of branch-office applications on the Cisco 3900
Series platforms so that you can deploy the right application, at the right time, in the right place. The hardware and
software decoupling provided by the service-ready deployment model enables you to provision applications on the
module at the time of its installation, or remotely anytime thereafter. Supported solutions include Cisco WAAS,
Cisco Unity Express, Cisco Application Extension Platform (AXP), Cisco Wireless LAN Controller (WLC), Cisco
Video Surveillance, and other applications under development. The SRE enables organizations of various sizes to
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
Page 8 of 15
quickly deploy new branch-office applications without deploying new hardware, reducing the cost of rolling out
branch-office services and helping ensure that the network applications will be compatible with future versions.
WAAS Express
Organizations today face several unique wide area network (WAN) challenges: the need to provide employees
with constant access to centrally located information, the requirement to continuously back up and replicate
mission-critical data to centrally managed data centers, the desire to provide satisfactory experience for IP phone
and video communication, and the mandate to control bandwidth costs without sacrificing application availability
and performance.
Cisco WAAS Express is designed to help organizations address these challenges. Cisco WAAS Express extends
the Cisco WAAS product portfolio, with a small-footprint, cost-effective IOS-based software solution integrated into
the ISR G2 to offer bandwidth optimization and application acceleration capabilities. Cisco WAAS Express
increases remote user productivity, reduces WAN bandwidth costs, and offers investment protection by
interoperating with existing Cisco WAAS infrastructure. Cisco WAAS Express is unique in providing network
transparency, improving deployment flexibility with on-demand service enablement, and integrating with native
IOS-based services such as security, Netflow, and QoS.
Cisco WAAS Express is fully interoperable with WAAS on SM-SRE modules, WAAS appliances and can be
managed by a common WAAS Central Manager.
Cisco WAAS Express is available in IOS from version 15.1(2)T1
Further information on Cisco WAAS Express can be found at http://wwwin.cisco.com/artg/products/waas/
Medianet for 3900 ISRs
As video becomes pervasive in an organization and more video devices are used, new demands are placed on
the network. It can be challenging to accommodate video needs while reducing complexity, planning for capacity,
and providing the best possible user experience.
Smarter Network, Endpoints, and Services
Traditional IP networks need to evolve to medianets to accommodate these changes. A medianet is an end-to-end
IP architecture that helps to enable pervasive media experiences.
The medianet architecture includes a smarter network, smarter endpoints, shared media services, cloud services,
and shared media services.
More Medianet Benefits
A medianet reduces total cost of ownership and scales video through features such as auto-configuration and
media monitoring. At the same time, it helps to ensure a quality user experience while optimizing bandwidth use
and efficiency.
For more information on Medianet for 3900 ISR, please go to
http://www.cisco.com/en/US/netsol/ns1094/index.html
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
Page 9 of 15
Managing Your Integrated Services Routers
Network management applications are instrumental in lowering OpEx while improving network availability by
simplifying and automating many of the day-to-day tasks associated with managing an end-to-end network. "Dayone device support" provides immediate manageability support for the integrated services router, enabling quick
and easy deployment, monitoring, and troubleshooting from Cisco and third-party applications.
Organizations rely on Cisco, third-party, and in-house developed network management applications to achieve
their OpEx and productivity goals. Underpinning those applications are the embedded management features
available in every integrated services router. The new integrated services routers continue a tradition of broad and
deep manageability features within the devices. Features such as IP SLA, Cisco IOS Embedded Event Manager
(EEM), and NetFlow allow you to know the status of your network at all times. These features, along with Simple
Network Management Protocol (SNMP) and syslog support, enable your organization's management applications.
Refer to Tables 4, 5, and 6 for details about Cisco IOS Software, network management, and manageability
support on Cisco 3900 Series Integrated Services Routers.
Table 4.
Cisco 3900 with Cisco IOS Software Feature and Protocol High-Level Support
Protocols
● IPv4, IPv6, static routes, Open Shortest Path First (OSPF), Enhanced IGRP (EIGRP), Border
Gateway Protocol (BGP), BGP Router Reflector, Intermediate System-to-Intermediate System (ISIS), Multicast Internet Group Management Protocol (IGMPv3), Protocol Independent Multicast
sparse mode (PIM SM), PIM Source Specific Multicast (SSM), Distance Vector Multicast Routing
Protocol (DVMRP), IPv4-to-IPv6 Multicast, MPLS, Layer 2 and Layer 3 VPN, IPSec, Layer 2
Tunneling Protocol Version 3 (L2TPv3), Bidirectional Forwarding Detection (BFD), IEEE802.1ag,
and IEEE802.3ah
Encapsulations
● Generic routing encapsulation (GRE), Ethernet, 802.1q VLAN, Point-to-Point Protocol (PPP),
Multilink Point-to-Point Protocol (MLPPP), Frame Relay, Multilink Frame Relay (MLFR) (FR.15 and
FR.16), High-Level Data Link Control (HDLC), Serial (RS-232, RS-449, X.21, V.35, and EIA-530),
PPP over Ethernet (PPPoE), and ATM
Traffic management
● QoS, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED),
Hierarchical QoS, Policy-Based Routing (PBR), Performance Routing, and NBAR
For more details about Cisco IOS Software features, refer to http://www.cisco.com/go/fn
Table 5.
Embedded Management features available with Cisco IOS Software
Feature
Description of Feature Supported by Cisco Integrated Services Routers
WSMA
● The Web Services Management Agent (WSMA) defines a mechanism through which you can
manage a network device, retrieve configuration data information, and upload and manipulate new
configuration data. WSMA uses XML-based data encoding that is transported by the Simple Object
Access Protocol (SOAP) for the configuration data and protocol messages.
EEM
● Cisco IOS Embedded Event Manager (EEM) is a distributed and customized approach to event
detection and recovery offered directly in a Cisco IOS Software device. It offers the ability to monitor
events and take informational, corrective, or any desired EEM action when the monitored events
occur or when a threshold is reached.
IPSLA
● Cisco IOS IP Service-Level Agreements enable you to assure new business-critical IP applications
as well as IP services that use data, voice, and video in an IP network.
SNMP, RMON, Syslog, NetFlow, TR-069
● Cisco 3900 Series Integrated Services Routers also support SNMP, Remote Monitoring (RMON),
syslog, NetFlow, and TR-069, in addition to the embedded management features mentioned.
The Cisco network management applications listed in Table 6 are standalone products that you can purchase or
download to manage your Cisco network devices. The applications are built specifically for the different
operational phases; you can select the ones that best fit your needs.
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
Page 10 of 15
Table 6.
Network Management Solutions
Operational Phase
Application
Device staging and configuration
Cisco Configuration Professional
Description
● Cisco Configuration Professional is a GUI device-management
tool for Cisco IOS Software-based access routers. This tool
simplifies routing, firewall, IPS, VPN, unified communications,
and WAN and LAN configuration through GUI-based easy-touse wizards.
Networkwide deployment,
configuration, monitoring,
and troubleshooting
CiscoWorks LMS
● CiscoWorks LAN Management Solution (LMS) is a
suite of integrated applications for simplifying day-to-day
management of a Cisco end-to-end network, lowering OpEx
while increasing network availability. CiscoWorks LMS offers
network managers an easy-to-use web-based interface for
configuring, administering, and troubleshooting the Cisco
Integrated Services Routers, using new instrumentation such
as Cisco IOS EEM.
● In addition to supporting basic platform services of the integrated
services router, CiscoWorks also provides added-value support
for the Cisco SRE, enabling the management and distribution of
software images to the SRE, thereby reducing the time and
complexities associated with image management.
Networkwide staging, configuration,
and compliance
CiscoWorks NCM
● CiscoWorks Network Compliance Manager (NCM) tracks
and regulates configuration and software changes throughout a
multivendor network infrastructure. It provides superior visibility
into network changes and can track compliance with a broad
variety of regulatory, IT, corporate governance, and technology
requirements.
Security staging, configuration,
and monitoring
Cisco Security Manager
● Cisco Security Manager is a leading enterprise-class application
for managing security. It delivers provisioning of firewall, VPN,
and intrusion-prevention-system (IPS) services across Cisco
routers, security appliances, and switch service modules. The
suite also includes the Cisco Security Monitoring, Analysis and
Response System (Cisco Security MARS) for monitoring and
mitigation.
Voice and unified communications
configuration and provisioning
Cisco Unified Provisioning Manager
● Cisco Unified Provisioning Manager provides a reliable and
scalable web-based solution for managing a company's crucial
next-generation communications services. It manages unified
communications services in an integrated IP telephony,
voicemail, and messaging environment.
Staging, deployment, and changes
of licenses
Cisco License Manager
● Cisco License Manager, a secure client-server application, can
help you easily manage Cisco IOS Software activation and
licenses for a wide range of Cisco platforms running Cisco IOS
Software as well as other operating systems.
Staging, deployment, and changes
to configuration and image files
Cisco Configuration Engine
● Cisco Configuration Engine is a secure network management
product that provides zero-touch image and configuration
distribution through centralized, template-based management.
Summary
Businesses need more intelligent branch-office solutions as they strive to lower the TCO for running their network
and increase their overall employee productivity with more centralized and collaborative network applications. The
Cisco 3900 Series offers these solutions by providing enhanced performance and increased modular density to
support multiple concurrent services. The Cisco 3900 Series is designed to consolidate the functions of many
separate devices into a single system that you can manage remotely. Table 7 lists the specifications of the Cisco
3945E, 3925E, 3945, and 3925 Integrated Services Routers.
Table 7.
Specifications of Cisco 3945E, 3925E, 3945, and 3925 Integrated Services Routers
Services and Slot Density
Cisco 3945E
Cisco 3925E
Cisco 3945
Cisco 3925
Embedded hardware-based cryptography
acceleration (IPSec + Secure Sockets Layer
[SSL])
Yes
Yes
Yes
Yes
Cisco Unified Communications Manager
Express Sessions**
450
400
350
250
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
Page 11 of 15
Services and Slot Density
Cisco 3945E
Cisco 3925E
Cisco 3945
Cisco 3925
Cisco Unified SRST sessions
1500
1350
1200
730
Total onboard WAN or LAN 10/100/1000 ports
4
4
3
3
RJ-45-based ports
4
4
3
3
SFP-based ports
2
2
2
2
Service-module slots
4
2
4
2
Doublewide service-module slots
1
1
1
1
EHWIC slots
3
3
4
4
Doublewide EHWIC slots
1
1
2
2
ISM slots
0
0
1
1
Online insertion and removal (OIR)
Services modules
Services modules
Services modules
Services modules
Onboard DSP (PVDM) slots
3
3
4
4
Memory DDR2 ECC DRAM: Default
1 GB
1 GB
1 GB
1 GB
Memory DDR2 ECC DRAM: Maximum
2 GB
2 GB
2 GB
2 GB
Compact Flash (external): Default
Slot 0: 256 MB
Slot 0: 256 MB
Slot 0: 256 MB
Slot 0: 256 MB
Slot 1: None
Slot 1: None
Slot 1: None
Slot 1: None
Slot 0: 4 GB
Slot 0: 4 GB
Slot 0: 4 GB
Slot 0: 4 GB
Slot 1: 4 GB
Slot 1: 4 GB
Slot 1: 4 GB
Slot 1: 4 GB
External USB 2.0 slots (Type A)
2
2
2
2
USB console port (Type B) (up to 115.2 kbps)
1
1
1
1
Serial console port (up to 115.2 kbps)
1
1
1
1
Serial auxiliary port (up to 115.2 kbps)
1
1
1
1
Power-supply options
Internal: AC, PoE, and Internal : AC, PoE,
DC*
and DC*
Redundant power supply
Internal: AC, PoE, and Internal: AC, PoE, and Internal: AC, PoE, and Internal: AC, PoE, and
DC*
DC*
DC*
DC*
Compact Flash (external): Maximum
Internal: AC, PoE, and Internal : AC, PoE,
DC*
and DC*
Power Specifications
AC input voltage
100 to 240 VAC
autoranging
100 to 240 VAC
autoranging
100 to 240 VAC
autoranging
100 to 240 VAC
autoranging
AC input frequency
47 to 63 Hz
47 to 63 Hz
47 to 63 Hz
47 to 63 Hz
AC input current range, AC power supply
(maximum)
7.1 to 3.0A
7.1 to 3.0A
7.1 to 3.0A
7.1 to 3.0A
AC input surge current
<50A
<50A
<50A
<50A
DC Operating Input Voltage
24Vdc - 60Vdc
24Vdc - 60Vdc
24Vdc - 60Vdc
24Vdc - 60Vdc
Max Input Current range, DC power supply
(A)
33.2 - 12.4
33.2 - 12.4
33.2 - 12.4
33.2 - 12.4
DC Input Surge Current
<50A
<50A
<50A
<50A
Typical power (no modules) (watts)
158
150
105
100
Maximum power with AC power supply (watts)
540
420
540
420
Maximum power with PoE power supply
(platform only) (watts)
540
420
540
420
Maximum endpoint PoE power available from
PoE power supply (watts)
520
520
520
520
Max power with DC input (W)
574
446
574
446
Maximum endpoint PoE power capacity with
PoE boost (watts)
1040
1040
1040
1040
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
Page 12 of 15
Services and Slot Density
Cisco 3945E
Cisco 3925E
Cisco 3945
Cisco 3925
Dimensions (H x W x D)
5.25 x 17.25 x 18.75
in.
(133.35 x 438.15 x
476.25 mm)
5.25 x 17.25 x 18.75
in.
(133.35 x 438.15 x
476.25 mm)
5.25 x 17.25 x 18.75
in.
(133.35 x 438.15 x
476.25 mm)
5.25 x 17.25 x 18.75
in.
(133.35 x 438.15 x
476.25 mm)
Rack height
3 rack units (3RU)
3RU
3 RU
3RU
Rack-mount 19in. (48.3 cm) EIA
included
included
included
included
Rack-mount 23in. (58.4 cm) EIA
optional
optional
optional
optional
Wall-mount
No
No
No
No
Weight with AC power supply (no modules)
39 lb (17.7 kg)
39 lb (17.7 kg)
39 lb (17.7 kg)
39 lb (17.7 kg)
Weight with PoE power supply (no modules)
40 lb (18.1 kg)
40 lb (18.1 kg)
40 lb (18.1 kg)
40 lb (18.1 kg)
Typical weight (with modules)
60 lb (27.2 kg)
60 lb (27.2 kg)
60 lb (27.2 kg)
60 lb (27.2 kg)
Airflow
Back to front
Back to front
Back to front
Back to front
Optional airflow kit (includes filter)
None
None
Front to Back
Front to Back
Temperature: 5906 ft (1800m) maximum altitude
32 to 104ºF (0 to
40ºC)
32 to 104ºF (0 to
40ºC)
32 to 104ºF (0 to
40ºC)
32 to 104ºF (0 to
40ºC)
Temperature: 9843 ft (3000m) maximum altitude
32 to 104ºF (0 to
40ºC)
32 to 104ºF (0 to
40ºC)
32 to 104ºF (0 to
40ºC)
32 to 104ºF (0 to
40ºC)
Temperature: 13123 ft (4000m) maximum
altitude’
32 to 86ºF (0 to 30ºC)
32 to 86ºF (0 to 30ºC)
32 to 86ºF (0 to 30ºC)
32 to 86ºF (0 to 30ºC)
Temperature: Short-term per NEBS/5906 ft
(1800m) maximum altitude
23 to 122°F (–5 to
50°C)
23 to 122°F (–5 to
50°C)
23 to 122°F (–5 to
50°C)
23 to 122°F (–5 to
50°C)
Altitude
4000m (13000 ft)
4000m (13000 ft)
4000m (13000 ft)
4000m (13000 ft)
Relative humidity
5 to 85%
5 to 85%
5 to 85%
5 to 85%
Short-term (per NEBS) humidity
5% to 90%, not to
exceed 0.024 kg
water/kg of dry air
5% to 90%, not to
exceed 0.024 kg
water/kg of dry air
5% to 90%, not to
exceed 0.024 kg
water/kg of dry air
5% to 90%, not to
exceed 0.024 kg
water/kg of dry air
Acoustic: Sound pressure (typical/maximum)
57.6/77.6
57.6/77.6
57.6/77.6
57.6/77.6
Acoustic: Sound power (typical/maximum)
67.8/84.7
67.8/84.7
67.8/84.7
67.8/84.7
Environmental specifications
Operating conditions
Nonoperating conditions
2
Temperature
–40 to 158ºF (–40 to
70ºC)
–40 to 158ºF (–40 to
70ºC)
–40 to 158ºF (–40 to
70ºC)
–40 to 158ºF (–40 to
70ºC)
Relative humidity
5 to 95%
5 to 95%
5 to 95%
5 to 95%
Altitude
15,584 ft (4750m)
15,584 ft (4570m)
15,584 ft (4750m)
15,584 ft (4570m)
UL 60950-1
UL 60950-1
UL 60950-1
UL 60950-1
CAN/CSA C22.2 No.
60950-1
CAN/CSA C22.2 No.
60950-1
CAN/CSA C22.2 No.
60950-1
CAN/CSA C22.2 No.
60950-1
EN 60950-1
EN 60950-1
EN 60950-1
EN 60950-1
AS/NZS 60950-1
AS/NZS 60950-1
AS/NZS 60950-1
AS/NZS 60950-1
IEC 60950-1
IEC 60950-1
IEC 60950-1
IEC 60950-1
Regulatory and Compliance
Safety
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
Page 13 of 15
Services and Slot Density
Cisco 3945E
Cisco 3925E
Cisco 3945
Cisco 3925
EMC
47 CFR, Part 15
47 CFR, Part 15
47 CFR, Part 15
47 CFR, Part 15
ICES-003 Class A
ICES-003 Class A
ICES-003 Class A
ICES-003 Class A
EN55022 Class A
EN55022 Class A
EN55022 Class A
EN55022 Class A
CISPR22 Class A
CISPR22 Class A
CISPR22 Class A
CISPR22 Class A
AS/NZS 3548 Class A
AS/NZS 3548 Class A
AS/NZS 3548 Class A
AS/NZS 3548 Class A
VCCI V-3
VCCI V-3
VCCI V-3
VCCI V-3
CNS 13438
CNS 13438
CNS 13438
CNS 13438
EN 300-386
EN 300-386
EN 300-386
EN 300-386
EN 61000 (Immunity)
EN 61000 (Immunity)
EN 61000 (Immunity)
EN 61000 (Immunity)
EN 55024, CISPR 24
EN 55024, CISPR 24
EN 55024, CISPR 24
EN 55024, CISPR 24
EN50082-1
EN50082-1
EN50082-1
EN50082-1
TIA/EIA/IS-968
TIA/EIA/IS-968
TIA/EIA/IS-968
TIA/EIA/IS-968
CS-03
CS-03
CS-03
CS-03
ANSI T1.101
ANSI T1.101
ANSI T1.101
ANSI T1.101
ITU-T G.823, G.824
ITU-T G.823, G.824
ITU-T G.823, G.824
ITU-T G.823, G.824
IEEE 802.3
IEEE 802.3
IEEE 802.3
IEEE 802.3
RTTE Directive
RTTE Directive
RTTE Directive
RTTE Directive
Telecom
* DC power supplies available in H1CY2010
The Cisco 3900 Series supports a wide range of modules that span industry-leading breadth of services at the
branch office. For a list of modules supported on the Cisco 3900 Series, please visit:
http://www.cisco.com/en/US/products/ps10536/products_relevant_interfaces_and_modules.html.
Ordering Information
The Cisco 3900 Series Integrated Services Routers are orderable and shipping. For more information about how
to order the Cisco 3900 Series, please visit the ISR G2 Ordering Guide. To place an order, visit the Cisco Ordering
Home Page and refer to Table 8.
For additional product numbers, including the Cisco 3900 Series bundle offerings, please check the Cisco 3900
Series Integrated Services Router Price List or contact your local Cisco account representative. To place an order,
visit the Cisco Ordering Home Page. To download software, visit the Cisco Software Center.
Table 8.
Cisco 3900 Ordering Information
Product Name
Product Description
CISCO3945E/K9
● Cisco 3945 with 4 onboard GE, C3900-SPE250/K9, 3 EHWIC slots, 3 DSP slots, 4 SM slots, 256MB CF default, 1 GB
DRAM default, IP Base
CISCO3925E/K9
● Cisco 3925 with 4 onboard GE, C3900-SPE200/K9, 3 EHWIC slots, 3DSP slots, 2 SM slots, 256MB CF default, 1 GB
DRAM default, IP Base
CISCO3945/K9
● Cisco 3945 with 3 onboard GE, C3900-SPE150/K9, 4 EHWIC slots, 4 DSP slots, 1 ISM slot, 4 SM slots, 256MB CF default,
1 GB DRAM default, IP Base
CISCO3925/K9
● Cisco 3925 with 3 onboard GE, C3900-SPE100/K9, 4 EHWIC slots, 4 DSP slots, 1 ISM slot, 2 SM slots, 256MB CF default,
1 GB DRAM default, IP Base
Integrated Services Router Migration Options
Cisco 3900 Series Integrated Services Routers are included in the standard Cisco Technology Migration Program
(TMP). Refer to http://www.cisco.com/go/tmp and contact your local Cisco account representative for program
details.
Warranty Information
The Cisco 3900 Series Integrated Services Routers have a 90-day limited liability warranty.
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
Page 14 of 15
Cisco and Partner Services for the Branch
Services from Cisco and our certified partners can help you transform the branch-office experience and accelerate
business innovation and growth in the Borderless Network. We have the depth and breadth of expertise to create
a clear, replicable, optimized branch-office footprint across technologies. Planning and design services align
technology with business goals and can increase the accuracy, speed, and efficiency of deployment. Technical
services can help you improve operational efficiency, save money, and mitigate risk. Optimization services are
designed to continuously improve performance and help your team succeed with new technologies. For more
information, please visit http://www.cisco.com/go/services.
®
Cisco SMARTnet technical support for the Cisco 3900 Series is available on a one-time or annual contract basis.
Support options range from help-desk assistance to proactive, onsite consultation. All support contracts include:
●
Major Cisco IOS Software updates in protocol, security, bandwidth, and feature improvements
●
Full access rights to Cisco.com technical libraries for technical assistance, electronic commerce, and
product information
●
Access 24 hours a day to the industry's largest dedicated technical support staff
For More Information
For more information about the Cisco 3900 Series, visit http://www.cisco.com/go/3900 or contact your local Cisco
account representative.
Printed in USA
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
C78-553924-04
05/11
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