The Cisco 900 Series Integrated Services Routers (ISRs) combine Internet access, comprehensive security, and wireless services in a single high-performance device that is easy to deploy and manage.
Cisco 900 Series ISRs are well suited for deployment as Customer Premises Equipment (CPE) in enterprise small branch offices and in service provider managed services environments.
Platform Support
Platform support Table1 describes the interfaces and integrated capabilities supported by each of the Cisco 900 Series ISR models.
Table1. Platform Support
| Model | WAN interfaces | LAN interfaces | Integrated USB 2.0 |
| C921-4P | 2 ports Gigabit Ethernet (GE) | 4-port GE managed switch | Yes |
| C931-4P | 2 ports GE | 4-port GE managed switch | Yes |
| C927-4P | 1 port GE and 1 VADSL (Annex A) | 4-port GE managed switch | Yes |
| C926-4P | 1 port GE and 1 VADSL (Annex B/J) | 4-port GE managed switch | Yes |
| C927-4PM | 1 port GE and 1 VADSL (Annex M) | 4-port GE managed switch | Yes |
Cisco IOS Software Licensing and Packaging
Cisco IOS Universal image
A single Cisco IOS® Universal image encompassing all functions is delivered with the platform. Advanced features can be enabled simply by activating a software license on the Universal image. Technology packages and feature licenses, enabled through right-to-use licenses, simplify software delivery and decrease the operational costs of deploying new features.
Three major technology licenses are available on the Cisco 900 Series; these licenses can be activated through the Cisco software activation process identified at https://www.cisco.com/go/sa.
The following licenses are available:
- IP Base: This technology package is the default.
- Application Experience (APP): This license includes data and application performance features.
- Security (SEC) or Security with No Payload Encryption (SEC-NPE): This license includes features for securing network infrastructure.
Table2 lists the part numbers and features for each of the licenses. Table 3 lists the part numbers for the software images.
Table2. Licenses
| Part number | Bundle | Features |
| SL-900-IPB | IP Base (default) | Routing protocols, Access Control Lists (ACL), Network Address Translation (NAT), Quality of Service (QoS), Bidirectional Forwarding Detection (BFD), Virtual Routing and Forwarding (VRF) Lite, IP SLA Responder |
| SL-900-APP(=) | Application Experience (APP) | IP Base + advanced networking protocols: Layer 2 Tunneling Protocol (L2TP) v3, Multiprotocol Label Switching (MPLS)
Application Experience: Performance Routing (PfR) v3, Next-Generation Network-Based Application Recognition (NBAR2), Application Visibility and Control (AVC), IP SLA Initiator Hybrid Cloud Connectivity: LISP, Virtual Private LAN Services (VPLS), Ethernet over MPLS |
| SL-900-SEC(=)
SL-900-SECNPE(=) |
Security (SEC) | IP Base + Advanced Security: Zone-based firewall, IPsec VPN, Dynamic Multipoint VPN (DMVPN), FlexVPN, Group Encrypted Transport (GET) VPN, Secure Sockets Layer (SSL) VPN
Provides up to 250 Mbps IPsec performance |
Table3. Software images
| Part number | Description |
| Router software images | |
| SISR900UK9-1583MB(=) | C900-universalk9-mz: Universal image for C921-4P, C931-4P, C927-4P, C927-4PM, C926-4P |
| SISR900NPEUK9-1583MB(=) | Cisco 900 ISR Universal image and non-payload encryption image |
Ordering Information
Table4 lists the part numbers for each of the Cisco 900 Series ISR models.
To place an order, visit the Cisco Ordering homepage. To download software, visit the Cisco Software Center.
Table4. Product part numbers
| Part number | Product description |
| Integrated services routers | |
| C921-4P | Cisco 921 Gigabit Ethernet security router with internal power supply |
| C931-4P | Cisco 931 Gigabit Ethernet security router with internal power supply |
| C927-4P | Cisco 927 Gigabit Ethernet security router with VDSL/ADSL2+ Annex A |
| C927-4PM | Cisco 927 Gigabit Ethernet security router with VDSL/ADSL2+ Annex M |
| C926-4P | Cisco 926 Gigabit Ethernet security router with VDSL/ADSL2+ Annex B/J |
| ● Cisco C921-4P and C931-4P are supported only on Cisco IOS Software Release 15.8(3)Mb and later
● Cisco C927-4P, C927-4PM, and C926-4P are supported only on Cisco IOS Software Release 15.8(3)M1 and later |
|
| Mount kits | |
| ACS-900-RM-19 | Rack-mount kit for 900 Series ISRs |
| ACS-900-DM | Under-the-desk mount kit for all 900 Series ISRs |
Create and pick out the exact top-level product ID from the above list.
Mandatory: Cisco IOS Software Version and Type NPE or NON-NPE image (15.8.3M or later is the minimum release supported).
Optional licenses: Technology packages. Mandatory: Power cables (pick the correct power supply cord for the country or region from the list).
All other cables and accessories are optional. For additional information and details about Cisco IOS Software licensing and packaging on the 900 Series, please visit: https://www.cisco.com/c/en/us/support/routers/900-series-integrated-servicesrouters-isr/products-licensing-information-listing.html
For the Cisco 900 Series ISR Hardware and Software Installation Guide, go to:
More info from https://www.cisco.com/c/dam/en/us/products/collateral/routers/900-series-integrated-services-routers-isr/guide-c07-741884.pdf
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More Cisco Router Topics you visit here: https://blog.router-switch.com/category/reviews/cisco-routers/
