Description
Management of Network Bandwidth
The Cisco 2811-2SHDSL/K9 router can be configured to manage network bandwidth through a variety of methods.
- Quality of Service (QoS) – QoS allows you to assign a certain amount of bandwidth to different types of network traffic, such as voice or video, to ensure that those types of traffic are given priority over other types of traffic. This can be done by using the “class-map” command, “policy-map” command and “service-policy” command.
- Traffic Shaping – Traffic shaping is a method of controlling the amount of bandwidth that is used by different types of network traffic. This can be done by using the “traffic-shape” command.
- Access Control Lists (ACLs) – ACLs allow you to control the amount of bandwidth that is used by different types of network traffic by filtering the traffic based on its source and destination IP addresses. This can be done by using the “access-list” command.
- Link Fragmentation and Interleaving (LFI) – LFI is a feature that allows you to control the amount of bandwidth that is used by different types of network traffic by fragmenting large packets and interleaving them with smaller packets. This can be done by using the “fragment” command.
It’s important to note that the above steps are general guidelines and may vary depending on the specific configuration of the router and the requirements of the network. If you are not familiar with the CLI and IOS commands, it is recommended to consult the Cisco documentation or seek assistance from a professional.
Security Management Systems
The Cisco 2811-2SHDSL/K9 router offers a variety of security management systems to help protect your network from potential threats. Some of these systems include:
- Firewall: The Cisco 2811-2SHDSL/K9 router has a built-in firewall that allows you to create access control lists (ACLs) to block or permit traffic based on various criteria, such as source and destination IP addresses. This can be done by using the “access-list” command.
- Virtual Private Networks (VPNs): The Cisco 2811-2SHDSL/K9 router supports various VPN protocols, such as IPsec and SSL, which allow you to create secure, encrypted connections between remote networks or devices.
- Intrusion Detection and Prevention (IDP): The Cisco 2811-2SHDSL/K9 router can be configured with an IDP system, which can detect and prevent intrusions by analyzing network traffic and identifying known attack signatures.
- Network Address Translation (NAT): The Cisco 2811-2SHDSL/K9 router can be configured with NAT, which allows you to hide the IP addresses of internal devices from the Internet.
- Authentication and Authorization: The Cisco 2811-2SHDSL/K9 router supports various authentication methods, such as TACACS+ and RADIUS, which can be used to control access to the router’s management interface.
- AAA (Authentication, Authorization, and Accounting): The Cisco 2811-2SHDSL/K9 router supports various AAA methods, such as TACACS+ and RADIUS, which can be used to control access to the router’s management interface.
High Routing Performance
The Cisco 2811-2SHDSL/K9 router is a high-performance router that is designed to provide reliable and efficient routing services for small to medium-sized networks. Some of the features that contribute to its high routing performance include:
- Dual-Core Processor: The Cisco 2811-2SHDSL/K9 router is powered by a dual-core processor, which allows it to handle a large number of routing and switching tasks simultaneously.
- High-Speed Memory: The router has a high-speed memory that can be used to store routing tables and other data, which enables fast and efficient routing decisions.
- Advanced Routing Protocols: The Cisco 2811-2SHDSL/K9 router supports a wide range of advanced routing protocols, such as OSPF, BGP, and EIGRP, which allows it to efficiently route traffic in large and complex networks.
- Quality of Service (QoS): The Cisco 2811-2SHDSL/K9 router allows you to prioritize different types of traffic, such as voice and video, to ensure that critical applications receive the necessary bandwidth.
- High-Speed Interfaces: The router has a variety of high-speed interfaces, such as Gigabit Ethernet and Fast Ethernet, which allow it to handle large amounts of traffic.
- Hardware-based Forwarding: The Cisco 2811-2SHDSL/K9 router supports hardware-based forwarding which enables it to forward packets at wire speed.
- Multi-protocol Label Switching (MPLS) support: The Cisco 2811-2SHDSL/K9 router supports Multi-protocol Label Switching (MPLS) which improves the routing performance in case of large and complex networks.
General Information
- Manufacturer: Cisco
- Part Number or SKU# C2811-2SHDSL/K9
- Product Type Router
Interfaces/Ports
- Total Number of Ports 2
- Management Port Yes
I/O Expansions
- Number of Total Expansion Slots 9
Network & Communication
- Network Technology 10/100Base-TX
- Ethernet Technology Fast Ethernet
Power Description
- Redundant Power Supply Supported Yes
Dimensions & Weight
- Compatible Rack Unit 1U
- Form Factor Rack-mountable
- Wall Mountable
- Height 1.8 Inch
- Width 17.3 Inch
- Depth 16.4 Inch
- Weight (Approximate) 14 Lbs





