CISCO2811 Cisco 2811 2 Ports Integrated Service Router New

Remote Management Protocols

The Cisco 2811 Integrated Service Router (ISR) supports several remote management protocols that enable administrators to manage the router remotely from a central location. These protocols include:

• Telnet: Telnet is a protocol that enables remote access to the router's command-line interface (CLI) over a network. Telnet is an unencrypted protocol and is not recommended for use over the internet due to security concerns.
• Secure Shell (SSH): SSH is a secure protocol that enables remote access to the router's command-line interface (CLI) over a network. SSH uses encryption to protect data in transit and is the preferred protocol for remote access to network devices.
• Simple Network Management Protocol (SNMP): SNMP is a protocol used to manage and monitor network devices such as routers, switches, and servers. SNMP allows administrators to remotely monitor router performance, track network traffic, and receive alerts when issues arise.
• Remote Monitoring (RMON): RMON is a protocol that allows network administrators to monitor network performance and troubleshoot issues. RMON provides advanced features such as traffic analysis, packet capture, and event notification.
• Cisco Network Assistant (CNA): CNA is a web-based management tool that allows administrators to manage and configure Cisco devices such as routers and switches. CNA provides a user-friendly interface and supports features such as device discovery, configuration management, and security management.
• Simple Network Time Protocol (SNTP): SNTP is a protocol used to synchronize the clocks of network devices. SNTP enables administrators to ensure that all devices on the network have accurate time, which is critical for network performance and security.

Advanced Routing Protocols

The Cisco 2811 Integrated Service Router (ISR) is a versatile router that supports several advanced routing protocols. These protocols enable the router to handle complex network topologies and provide advanced features for optimizing network performance. Some of the advanced routing protocols supported by the Cisco 2811 ISR include:

• Border Gateway Protocol (BGP): BGP is an advanced routing protocol used to exchange routing information between different autonomous systems (ASes). BGP is widely used in large enterprise networks and internet service provider (ISP) networks to manage complex routing policies.
• Open Shortest Path First (OSPF): OSPF is a popular routing protocol used in IP networks to exchange routing information between routers. OSPF is a link-state routing protocol, which means that routers exchange information about the state of their links, allowing them to build a detailed picture of the network topology.
• Enhanced Interior Gateway Routing Protocol (EIGRP): EIGRP is a Cisco proprietary routing protocol that provides advanced features for optimizing network performance, including fast convergence, load balancing, and support for variable-length subnet masks (VLSMs).
• Routing Information Protocol (RIP): RIP is a simple and widely used routing protocol that enables routers to exchange routing information within a local network. RIP is suitable for small networks with simple topologies, but it may not be suitable for larger networks due to its limitations.
• Intermediate System to Intermediate System (IS-IS): IS-IS is a routing protocol used in large enterprise networks and ISP networks to manage complex routing policies. IS-IS is a link-state routing protocol, similar to OSPF, but it uses a different algorithm to calculate the best path for routing packets.

Managing Router Security

Managing router security is a critical aspect of network administration, and the Cisco 2811 Integrated Service Router (ISR) provides several features to enhance router security. Some of the key security features and best practices for managing router security on the Cisco 2811 ISR include:

• Secure Access: The Cisco 2811 ISR provides several options for secure remote access, including SSH, Telnet with password encryption, and remote authentication using TACACS+ or RADIUS. It is recommended to disable Telnet and enable SSH for secure remote access.
• Password Protection: Setting strong passwords for user accounts and enabling password encryption is critical for securing the router. In addition, it is recommended to use multifactor authentication using TACACS+ or RADIUS for added security.
• Firewall Protection: The Cisco 2811 ISR includes a built-in firewall that provides protection against unauthorized access and denial of service (DoS) attacks. It is recommended to configure the firewall to block all incoming traffic except for required services.
• Network Address Translation (NAT): NAT is a feature that enables the router to hide private IP addresses from the public internet. NAT provides an additional layer of security by preventing direct access to internal network resources.
• Access Control Lists (ACLs): ACLs are a feature that enables the router to control access to network resources by filtering traffic based on source and destination IP addresses, protocols, and ports. It is recommended to configure ACLs to block all unauthorized traffic.
• Regular Firmware Updates: Keeping the router firmware up to date is critical for maintaining router security. Firmware updates often include security patches and bug fixes that address known vulnerabilities.
• Physical Security: Physical security is critical for securing the router. The router should be located in a secure area and access should be restricted to authorized personnel only.

General Information about this Cisco CISCO2811

• Manufacturer: Cisco
• Model Number or SKU# CISCO2811
• Product Series 2800
• Product Model 2811
• Product Name 2811 Router
• Product Type: Router

Interfaces/Ports of 10/100Base Router

• Total Number of Ports: 2
• USB Yes
• Management Port Yes
• Number of Network (RJ-45) Ports 2

Network and Communication for Integrated Services Router

• Network Technology: 10/100Base-TX
• Ethernet Technology: Fast Ethernet

I/O Expansions

• Number of Total Expansion Slots 9
• Expansion Slot Type AIM
• Expansion Slot Type HWIC
• Expansion Slot Type NME
• Expansion Slot Type PVDM

Memory

• Standard Memory 256 MB
• Maximum Memory 760 MB
• Memory Technology DRAM
• Flash Memory 64 MB

Dimension and Weight

• Height 1.8 Inch
• Width 17.2 Inch
• Depth 16.4 Inch
• Weight 14.11 LBS

Power Description

• Input Voltage 110 V AC
• Input Voltage 220 V AC