Author: examcert

Ping a Remote Host (29.2.4) Ping can also be used to test the ability of a local host to communicate across an internetwork. The local host can ping an operational IPv4 host of a remote network, as shown in Figure 29-8. The router uses its IP routing table to forward the packets. Figure 29-8 Testing…

Ping and Traceroute Tests (29.2) This section discusses two important tools that are used to verify Layer 3 connectivity: ping and traceroute. Ping—Test Connectivity (29.2.1) This section explains when to use the ping and traceroute (tracert in Windows) tools and how to use them. Ping is an IPv4 and IPv6 testing utility that uses ICMP…

ICMPv6 Messages (29.1.5) The informational and error messages found in ICMPv6 are very similar to the control and error messages implemented by ICMPv4. However, ICMPv6 has new features and improved functionality not found in ICMPv4. ICMPv6 messages are encapsulated in IPv6. ICMPv6 includes four new protocols as part of the Neighbor Discovery Protocol (ND or…

Objectives Upon completion of this chapter, you will be able to answer the following questions: • How is ICMP used to test network connectivity? • How do you use ping and traceroute utilities to test network connectivity? Introduction (29.0) Welcome to ICMP! Imagine that you have an intricate model train set. Your tracks and trains…

Summary (28.5) The following is a summary of each topic in the chapter and some questions for your reflection. What Did I Learn in this Module? (28.5.1) • Basic Switch Configuration—Elements that are usually configured on a LAN switch include: host name, management IP address information, passwords, and descriptive information. Configure switches with descriptive host…

Connecting the Switch to the Router (28.4) Most local networks have only one router. This router will be the gateway router and all hosts and switches on your network must be configured with this information. This topic explains how to configure the default gateway on hosts and switches. Default Gateway for a Host (28.4.1) For…

Enable SSH (28.3.3) Before configuring SSH, the switch must be minimally configured with a unique hostname and the correct network connectivity settings. Step 1. Verify SSH support. Use the show ip ssh command to verify that the switch supports SSH. If the switch is not running an IOS that supports cryptographic features, this command is…

Syntax Checker – Configure Initial Router Settings (28.2.3) Use this syntax checker to practice configuring the initial settings on a router. Packet Tracer – Configure Initial Router Settings (28.2.4) In this activity, you will complete the following objectives: Secure the Devices (28.3) Properly securing a device should always be done before putting the device into…

Switch Virtual Interface Configuration (28.1.2) To access the switch remotely, an IP address and a subnet mask must be configured on the switch virtual interface (SVI). To configure an SVI on a switch, use the interface vlan 1 global configuration command. Vlan 1 is not an actual physical interface but a virtual one. Next, assign…

ObjectivesUpon completion of this chapter, you will be able to answer the following questions: Key Terms This chapter uses the following key terms. You can find the definitions in the Glossary.switch virtual interface (SVI) Introduction (28.0) Hi, it’s me, Webster. You and Diego now have a good grasp of the Cisco IOS command line functions….