Routing Protocols and Configuration
Cisco 2911 Integrated Services Router (ISRs) are designed to provide a wide range of services, including routing, security, and voice, to small and medium-sized businesses and enterprise branch offices. These routers use routing protocols to determine the best path for data to travel through the network.
Routing protocols are used to exchange routing information between routers in a network. Each protocol has its own set of features, advantages, and disadvantages, and the choice of protocol depends on the specific requirements of the network. Some of the most commonly used routing protocols are:
- Interior Gateway Routing Protocol (IGRP): a Cisco proprietary protocol that uses a distance-vector algorithm to determine the best path for data to travel through the network.
- Routing Information Protocol (RIP): a distance-vector protocol that uses hop count as a metric to determine the best path for data to travel through the network.
- Open Shortest Path First (OSPF): a link-state protocol that uses a shortest-path algorithm to determine the best path for data to travel through the network.
- Border Gateway Protocol (BGP): an exterior gateway protocol used to exchange routing information between routers in different autonomous systems.
- Enhanced Interior Gateway Routing Protocol (EIGRP): a Cisco proprietary protocol that uses a hybrid of distance-vector and link-state algorithms to determine the best path for data to travel through the network.
Security Management Systems
Cisco 2911 Integrated Services Routers (ISRs) have several security features that can be used to protect the network from various threats. Some of the key security management systems of the Cisco 2911 router include:
- Access Control Lists (ACLs): These are used to restrict access to the network based on various criteria, such as source and destination IP addresses, ports, and protocols.
- Virtual Private Network (VPN) support: The Cisco 2911 router supports several VPN protocols, including IPsec, SSL, and L2TP, which can be used to create secure connections between remote networks.
- Firewall features: The Cisco 2911 router supports the Cisco Adaptive Security Appliance (ASA) firewall feature set, which provides advanced firewall capabilities such as stateful inspection and intrusion prevention.
- Network Address Translation (NAT): This feature allows the router to translate private IP addresses to public IP addresses, which can help to hide the internal network from external threats.
- Secure Shell (SSH) and Secure Copy (SCP) support: These protocols provide secure remote access and file transfer capabilities, which can help to protect against unauthorized access and data breaches.
- Management access control: The Cisco 2911 router supports multiple levels of access control, including local and remote authentication, and can be configured to use TACACS+ and RADIUS for centralized management of user access.
Features and Benefits
The Cisco 2911 Integrated Services Router (ISR) is a high-performance router designed to provide a wide range of services, including routing, security, and voice, to small and medium-sized businesses and enterprise branch offices. Some of the key features and benefits of the Cisco 2911 router include:
- High performance: The Cisco 2911 router is equipped with a powerful multi-core processor that can handle high-speed data, voice, and video traffic.
- Flexible WAN connectivity: The router supports a wide range of WAN connectivity options, including DSL, cable, T1/E1, and fiber, which allows it to be deployed in a variety of network environments.
- Advanced security: The Cisco 2911 router supports a wide range of security features, including access control lists (ACLs), virtual private network (VPN) support, firewall features, and network address translation (NAT), which can help to protect the network from various threats.
- Quality of Service (QoS): The router supports advanced QoS features that can be used to prioritize different types of traffic, such as voice and video, which can help to ensure that critical applications receive the bandwidth they need.
- Voice and video capabilities: The Cisco 2911 router supports a wide range of voice and video protocols, including H.323, SIP, and Cisco's Skinny Client Control Protocol (SCCP), which allows it to be used as a voice gateway in IP telephony environments.
- Comprehensive management: The router supports a wide range of management options, including Cisco's IOS Software, the Cisco Prime Infrastructure, and the Cisco Configuration Professional, which can be used to manage and monitor the network.
- Energy efficiency: Cisco 2911/K9 support Energy Efficient Ethernet (EEE) which reduce the power consumption without impacting the performance.
The Cisco 2911/K9 Router is a versatile device that provides a range of features and benefits, making it suitable for a wide range of networking environments. It's always recommended to consult the Cisco documentation and best practices for the specific use case and requirements of the organization.
General Information about the Cisco CISCO2911/K9
- Manufacturer: Cisco
- Model Number or SKU# CISCO2911/K9
- Product Series: 2900
- Product Model: 2911
- Product Name: 2911 Integrated Services Router
- Product Type: Router
Interfaces/Ports of Cisco 3 Ports Ethernet Router
- Total Number of Ports 3
- USB Yes
- Management Port Yes
- Number of Broadband (RJ-45) Ports 3
I/O Expansions for Integrated Services Router
- Number of Total Expansion Slots 10
- Expansion Slot Type HWIC
- Expansion Slot Type PVDM
Network & Communication
- Network Technology 10/100/1000Base-T
- Ethernet Technology Gigabit Ethernet
Memory
- Standard Memory 512 MB
- Maximum Memory 2 GB
- Memory Technology DRAM
- Flash Memory 256 MB
- Memory Card Supported CompactFlash (CF) Card
Dimension and Weight
- Height: 3.5 inch
- Width: 17.2 inch
- Depth: 12 inch
- Weight: 18.08 Lbs
Power Description
- Input Voltage 220 V AC
- Input Voltage 110 V AC
- Power Source Power Supply
- Redundant Power Supply Yes
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