Cisco C2911-AX/K9 3 Ports Networking Router
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C2911-AX/K9 Cisco 2911 Router 3 Ports Management Port Router Refurbished

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Part Number#: C2911-AX/K9
List Price was: $4557.69
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Short Description:
C2911-AX/K9 2911 Router 3 Ports Management Port - PoE Ports - 8 Slots - Gigabit Ethernet - 2U - Rack-mountable, Wall Mountable | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Network Management and Monitoring

The Cisco 2911 router is a modular router that supports various network management and monitoring features. These features include:

  • Cisco IOS Software: The router runs on Cisco IOS software, which provides a command-line interface (CLI) and a web-based interface (GUI) for managing and monitoring the router. The CLI allows administrators to configure and control the router using a command-line interface, while the GUI provides a web-based interface that allows administrators to manage and monitor the router through a web browser.
  • SNMP: The router supports Simple Network Management Protocol (SNMP) for monitoring the router's performance and status. This allows administrators to monitor the router's CPU and memory usage, interface status, and other performance metrics using a network management system (NMS) that supports SNMP.
  • Syslog: The router can send system messages, such as error messages and debugging information, to a syslog server for logging and analysis. This allows administrators to view system messages and troubleshoot issues with the router.
  • NetFlow: The router supports Cisco NetFlow, which allows for the collection and analysis of network traffic data. This allows administrators to monitor network traffic patterns and identify potential bottlenecks or security issues.
  • Remote management: The router can be remotely managed and monitored using SSH, Telnet, and other remote management protocols. This allows administrators to access the router's CLI and GUI remotely, and make changes to the router's configuration.
  • CiscoWorks: The router is also supported by CiscoWorks, a network management software that provides a centralized management and monitoring solution for Cisco devices. This allows administrators to manage and monitor multiple Cisco devices from a single interface.
  • SD-WAN: The router also support SD-WAN solution for WAN management. This solution provides a centralized management of the WAN infrastructure, and allows administrators to monitor and configure the network traffic patterns to improve the network performance and reduce costs.
Routing Protocols and Configuration

Routing protocols are used to exchange routing information between routers in a network. They determine the best path for data to travel from one network to another, and update the routing table with the most efficient routes. Cisco 2911 routers support a variety of Interior Gateway Protocols (IGPs) and Exterior Gateway Protocols (EGPs) that can be configured to route data in a network.

Interior Gateway Protocols (IGPs) are routing protocols that are used within an autonomous system (AS), which is a group of routers under a common administrative domain. Cisco 2911 routers support the following IGPs:

  • Routing Information Protocol (RIP) - a distance-vector protocol that uses hop count as a metric to determine the best path to a destination.
  • Enhanced Interior Gateway Routing Protocol (EIGRP) - a Cisco proprietary protocol that uses a combination of metrics, such as bandwidth and delay, to determine the best path to a destination.
  • Open Shortest Path First (OSPF) - a link-state protocol that uses the shortest path to a destination based on the cost of the link.

Exterior Gateway Protocols (EGPs) are routing protocols that are used to exchange routing information between autonomous systems. Cisco 2911 routers support the following EGP:

  • Border Gateway Protocol (BGP) - a path-vector protocol that is used to exchange routing information between different autonomous systems on the Internet.

The configuration of routing protocols on a Cisco 2911 router involves several steps:

  • Configuring the router's interfaces with IP addresses and enabling them using the "interface" and "ip address" commands.
  • Configuring the routing protocol on the router using the appropriate commands for the protocol. For example, the "router rip" command is used to enable RIP on a Cisco 2911 router.
  • Configuring any necessary parameters such as network addresses and authentication using the appropriate commands for the protocol.
  • Verifying the configuration and checking for any errors using the "show running-config" and "debug" commands.
  • Testing connectivity to other routers in the network using the "ping" and "traceroute" commands.
Quality of Service (QoS) Capabilities

The C2911-AX/K9 Cisco Systems 2911 router has several Quality of Service (QoS) capabilities that can be configured to prioritize and manage network traffic. Some of the main QoS features of the Cisco 2911 router include:

  • Class-Based Weighted Fair Queuing (CBWFQ) - allows for the allocation of bandwidth to specific traffic classes based on their configured weight, ensuring that high-priority traffic gets the bandwidth it needs.
  • Low Latency Queuing (LLQ) - allows for the prioritization of delay-sensitive traffic, such as voice and video, to minimize delay and jitter.
  • Weighted Random Early Detection (WRED) - helps to prevent network congestion by randomly dropping packets that belong to a lower-priority traffic class when the queue becomes full.
  • Traffic Shaping and Policing - allows for the control of the rate at which traffic is sent into a network, helping to prevent network congestion and ensuring that bandwidth is used efficiently.
  • Multi-Layer Protocol Label Switching (MPLS) - allows for the creation of virtual private networks (VPNs) and the prioritization of specific traffic flows based on their labels.

To configure QoS on a Cisco 2911 router, you can use the command-line interface (CLI) through the console or a remote connection. The basic steps to configure QoS on a Cisco 2911 router include:

  • Identifying the types of traffic that need to be prioritized and creating class maps to match them.
  • Configuring policies to assign a priority level to each class of traffic.
  • Applying the policies to the appropriate interfaces.
  • Verifying the configuration and checking for any errors.
Key Feature about this Cisco C2911-AX/K9
  • Manufacturer Cisco
  • Part Number or SKU# C2911-AX/K9
  • Product Series 2900
  • Product Model 2911
  • Product Name 2911 Router
  • Product Type Router
Interfaces/Ports of Cisco 2900 Series Router
  • Total Number of Ports 3
  • Powerline No
  • Management Port Yes
  • Number of Network (RJ-45) Ports 3
I/O Expansions of Cisco 3 Ports Router
  • Number of Total Expansion Slots 8
  • Expansion Slot Type -
  • HWIC
  • PVDM
Network & Communication of Cisco Router
  • Ethernet Technology Gigabit Ethernet
  • Network Technology 10/100/1000Base-T


  • Standard Memory 1 GB

Power Description

  • PoE (RJ-45) Port Yes
  • Redundant Power Supply Supported Yes

Dimension and Weight

  • Compatible Rack Unit 2U
  • Form Factor Rack-mountable
  • Wall Mountable
  • Height 3.5 Inch
  • Width 17.3 Inch
  • Depth 12 Inch
  • Weight (Approximate) 21 lbs
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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