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ICND2 2.0: An Overview of OSPF

Overview/Description OSPF is a link-state routing protocol that is often used in networks due to scalability, fast convergence, and multivendor environment support. Understanding OSPF operations and OSPF terms is therefore important for network engineers who would like to design, implement, and troubleshoot scalable networks. In this lesson, a quick overview of link-state routing protocols, OSPF data structures, and OSPF metrics is done before explaining the functions of OSPF and its packet types. The course describes how the link-state database is built using LSAs, explains OSPF areas as a...

ICND2 2.0: Establishing a WAN Connection Using Frame Relay

Overview/Description Frame Relay is a standardized WAN technology that is a well-proven, packet-switching, connection-oriented technology that is used to interconnect remote sites. This course describes the basic functionality of Frame Relay, including topologies, reachability issues, and LMI signaling. The course also describes how to configure basic Frame Relay and Frame Relay over point-to-point and multipoint subinterfaces. The course concludes with verification of Frame Relay operations. Target Audience Anyone wishing to obtain Cisco Certified Network Associate (CCNA) 200-120...

ICND2 2.0: EtherChannel and Layer 3 Redundancy

Overview/Description In hierarchical network design, some links between access and distribution switches may be heavily utilized. The speed of these links can be increased, but only to a certain point. EtherChannel is a technology that allows you to circumvent this restriction by creating logical links made up of several physical links. This course describes EtherChannel technology and the various technologies that are available to implement it. You will also learn how to configure EtherChannel and how to verify EtherChannel operations. This course also explains solutions to routing problems...

ICND2 2.0: Implementing a Scalable, Multiarea Network, OSPF Based Solution

Overview/Description OSPF routing protocol supports a two-tier hierarchical structure. By utilizing a two-tier or multiarea OSPF design, you can increase the network scalability and reduce the load and utilization on routers due to fewer SPF calculations and smaller routing tables. This course first describes differences between single-area and multiarea OSPF design. The course describes how OSPF implementation should be planned as well as describes how to configure and verify multiarea OSPF design in an IPv4 network. OSPF is a link-state routing protocol and therefore it scales well with a...

ICND2 2.0: Implementing an EIGRP Based Solution

Overview/Description EIGRP is an advanced distance vector routing protocol that was developed by Cisco. EIGRP is suited for many different topologies and media. In a well-designed network, EIGRP scales well and provides quick convergence times with minimal overhead. EIGRP is a popular choice for a routing protocol on Cisco devices. This course describes how to configure and monitor EIGRP. EIGRP is one of the routing protocols that is commonly used in large enterprise networks. Troubleshooting problems related to the exchange of routing information is one of the most essential skills for a...

ICND2 2.0: Network Device Management

Overview/Description Network staff is responsible for managing each device on the network according to best industry practices and for reducing device downtime. This course provides an overview of some of the tools for monitoring and troubleshooting Cisco devices. SNMP basic components and operation are explained. A graphing tool can use SNMP to periodically poll an SNMP agent (for example, a router) and graph the values. Syslog is another useful protocol that allows a network device to send event notification messages to a centralized logging server. The course also explains the NetFlow...

ICND2 2.0: Troubleshooting Basic Connectivity

Overview/Description Diagnosing and resolving problems is an essential skill of jetwork engineers. A particular problem can be diagnosed and sometimes even solved in many different ways. By using a structured approach to the troubleshooting process, you can greatly reduce the average time it takes to diagnose and solve a problem. This course describes various approaches to troubleshooting network connectivity issues. As with IPv4 networks, problems will arise in IPv6 networks. You will be required to troubleshoot these problems, and you can use the same structured approach as troubleshooting...

ICND2 2.0: VLANs and Spanning-Tree

Overview/Description This course starts with a review of VLAN and trunk technology. Understanding how VLANs and trunks operate and which protocols are associated with them is important for configuring, verifying, and troubleshooting VLANs and trunks on Cisco access switches. This course also addresses some of the common reasons that port connectivity, VLAN configuration, and trunk establishment can fail. It describes what information to look for to identify the source of the problem and determine how to solve it. Switched networks introduce redundancy, so an STP loop-avoidance mechanism is...

ICND2 2.0: VPN Solutions and GRE Tunnels

Overview/Description Cisco VPN solutions provide an Internet-based WAN infrastructure for connecting branch offices, home offices, business partner sites, and remote telecommuters to all or portions of a company network. With cost-effective, high-bandwidth Internet connectivity that is secured by encrypted VPN tunnels, you can reduce WAN bandwidth costs while increasing connectivity speeds. This course describes the benefits of VPN implementation. GRE is a tunneling protocol that can encapsulate a wide variety of protocol packet types inside IP tunnels, creating a virtual point-to-point link...

ICND2 2.0: Wan Technology Overview and Serial Connections

Overview/Description As an enterprise grows beyond a single location, it needs to interconnect LANs in various locations using a WAN. There are several technologies that are involved in the functioning of WANs, including hardware devices and software functions. This course describes the functions and characteristics of WANs and contrasts them with LANs. The course also explores how WANs relate to the OSI reference model in their design and function and which major hardware components are typically used in WAN environments. One of the most common types of WAN connection is the point-to-point...

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