[FREE] 5.2 1.7 Packet Tracer Examine The Arp Table Answers
All rights reserved. This document is Cisco Public. The devices are already configured. You will gather PDU information in simulation mode and answer a series of questions about the data you collect. Click Enter the arp -d command to clear the ARP...
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Chapter 5 - Ethernet
Note that the ICMP packet reappears. Yes b. Switch back to Realtime and the ping completes. In general, when does an end device issue an ARP request? From Enter the ping How many replies were sent and received? Step 2: Examine the MAC address table on the switches. Click Switch1and then the CLI tab. Enter the show mac-address-table command. Do the entries correspond to those in the table above? Click Switch0, then the CLI tab. Yes c. Why are two MAC addresses associated with one port? Because both devices connect to one port through the Access Point.
5.2.1.7 Packet Tracer - Examine the ARP Table Instructions IG.docx
Type arp —a. Enter arp -d to clear the ARP table and switch to Simulation mode. Repeat the ping to How many PDUs appear? Click the PDU that is now at Switch1. The destination IP address is not The gateway address of the router interface is stored in the IPv4 configuration of the hosts. If the receiving host is not on the same network, the source uses the ARP process to determine a MAC address for the router interface serving as the gateway. Switch to Realtime mode. Click Router1 and then the CLI tab.
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Enter privileged EXEC mode and then the show mac-address-table command. How many MAC addresses are in the table? Zero, This command means something completely different than the switch command show mac address-table. Enter the show arp command. Is there an entry for Yes d. What happens to the first ping in a situation where the router responds to the ARP request? It times out. Earned Points Page 4 of 4 Related documents.
5.2.1.7 Packet Tracer - Examine The ARP Table Instructions IG
All rights reserved. This document is Cisco Public. The devices are already configured. You will gather PDU information in simulation mode and answer a series of questions about the data you collect. Click Enter the arp -d command to clear the ARP table. Enter Simulation mode and enter the command ping Two PDUs will be generated. Is this address listed in the table above? Yes e. How many copies of the PDU did Switch1 make? One f. Open the PDU and examine Layer 2. What happened to the source and destination MAC addresses? The frames destination MAC address matches the receiving ports MAC address, the broadcast address, or multicast address.
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The device decapsulates the PDU from the Ethernet frame. The next-hop IP address is a unicast. The device encapsulates the PDU into an Ethernet frame. Note that the ICMP packet reappears. Switch back to Realtime and the ping completes. In general, when does an end device issue an ARP request? Broadcast and security issues related to ARP can be mitigated with modern switches. Cisco switches support several security technologies specifically designed to mitigate Ethernet issues related to broadcasts, in general, and ARP, in particular. Each port on a switch represents a separate collision domain and provides the full media bandwidth to the node or nodes connected on that port.
5.2.1.7 Packet Tracer - Examine the ARP Table Instructions IG
Page 2 of 4 Packet Tracer - Examine the ARP Table switches do not by default prevent broadcasts from propagating to connected devices, they do isolate unicast Ethernet communications so that they are only "heard" by the source and destination devices. With regard to mitigating various types of broadcast attacks, to which Ethernet networks are prone, network engineers implement Cisco switch security technologies such as specialized access lists and port security. From Enter the ping How many replies were sent and received? Click Switch1and then the CLI tab. Enter the show mac-address-table command. Do the entries correspond to those in the table above? Yes b.
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Click Switch0, then the CLI tab. Yes c. Why are two MAC addresses associated with one port? Each dynamically learned MAC address is associated with one and only one switch port. However, there may be more than one MAC addresses associated with the same switch port which means multiple devices are reachable off the same switch port. There are two possible scenarios in which multiple MAC addresses may be associated with the same switch port. In one case, the switch port may be connected to another switch which in turn has multiple devices connected to it.
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In the second case, multiple devices may be directly connected to the same switch port through a hub. Type arp a. Enter arp -d to clear the ARP table and switch to Simulation mode. Repeat the ping to How many PDUs appear? Click the PDU that is now at Switch1. The destination IP address is not Because the arp has been cleared. Switch to Realtime mode. Click Router1 and then the CLI tab. Enter privileged EXEC mode and then the show mac-address-table command. How many MAC addresses are in the table? There is no MAC addresses in the table. Enter the show arp command. Is there an entry for There is an entry for What happens to the first ping in a situation where the router responds to the ARP request? If an entry is not found, the encapsulation of the IPv4 packet fails and the Layer 2 processes notify ARP that it needs a map. A map is created in the ARP table. Packets for that IPv4 address can now be encapsulated in frames. If no device responds to the ARP request, the packet is dropped because a frame cannot be created.
5.2.1.7 Packet Tracer - Examine the ARP Table Instructions.pdf
This encapsulation failure is reported to the upper layers of the device. If the device is an intermediary device, like a router, the upper layers may choose to respond to the source host with an error in an ICMPv4 packet.
5.2.1.7 Packet Tracer - Examine the ARP Table Instructions
The devices are already configured. You will gather PDU information in simulation mode and answer a series of questions about the data you collect. Click Enter the arp -d command to clear the ARP table. Enter Simulation mode and enter the command ping Two PDUs will be generated. Is this address listed in the table above? How many copies of the PDU did Switch1 make? Open the PDU and examine Layer 2. What happened to the source and destination MAC addresses? Source became destination, FFFF. Note that the ICMP packet reappears. Switch back to Realtime and the ping completes. When it does not know the receivers MAC address. From Enter the ping How many replies were sent and received? Click Switch1and then the CLI tab. Enter the show mac-address-table command. Do the entries correspond to those in the table above? Click Switch0, then the CLI tab.
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Why are two MAC addresses associated with one port? Because both devices connect to the same port through the Access Point. Type arp a. Enter arp -d to clear the ARP table and switch to Simulation mode. Repeat the ping to How many PDUs appear? Click the PDU that is now at Switch1. The destination IP address is not The gateway address of the router interface is stored in the IPV4 configuration of the hosts.
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If the receiving host is not on the same network, the source uses ARP process to determine a MAC address for the router interface serving as the gateway. Examine the ARP table on Router1. Switch to Realtime mode. Click Router1 and then the CLI tab. Enter privileged EXEC mode and then the show mac-address-table command. How many MAC addresses are in the table?
Chapter 5: Ethernet
Zero, The Meaning of this command is totally than switch command show mac address-table. Enter the show arp command. Is there an entry for YesWhat happens to the first ping in a situation where the router responds to the ARP request? Its timed Out. All rights reserved. This document is Cisco Public. Page 6 of 6 Recommended.
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All rights reserved. This document is Cisco Public. The devices are already configured. You will gather PDU information in simulation mode and answer a series of questions about the data you collect. Click Enter the arp -d command to clear the ARP table. Enter Simulation mode and enter the command ping Two PDUs will be generated. Is this address listed in the table above?
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How many copies of the PDU did Switch1 make? Open the PDU and examine Layer 2. What happened to the source and destination MAC addresses? Source became destination, FFFF. Note that the ICMP packet reappears. Yes j. Switch back to Realtime and the ping completes. In general, when does an end device issue an ARP request? When it does not know the receivers MAC address.
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From Enter the ping How many replies were sent and received? Step 2: Examine the MAC address table on the switches. Click Switch1and then the CLI tab. Enter the show mac-address-table command. Do the entries correspond to those in the table above? Yes p. Click Switch0, then the CLI tab. Why are two MAC addresses associated with one port? Because both devices connect to one port through the Access Point. Type arp a. Enter arp -d to clear the ARP table and switch to Simulation mode. Repeat the ping to How many PDUs appear?
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Click the PDU that is now at Switch1. The destination IP address is not The gateway address of the router interface is stored in the IPv4 configuration of the hosts. If the receiving host is not on the same network, the source uses the ARP process to determine a MAC address for the router interface serving as the gateway. Switch to Realtime mode.
5.2.1.7 packet tracer - examine the arp table instructions ig
Click Router1 and then the CLI tab. Enter privileged EXEC mode and then the show mac-address-table command. How many MAC addresses are in the table? Zero, This command means something completely different than the switch command show mac address-table. Enter the show arp command. Is there an entry for Yes ab. What happens to the first ping in a situation where the router responds to the ARP request?
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The devices are already configured. You will gather PDU information in simulation mode and answer a series of questions about the data you collect. Click Enter the arp -d command to clear the ARP table. Enter Simulation mode and enter the command ping Two PDUs will be generated. Is this address listed in the table above? How many copies of the PDU did Switch1 make? What happened to the source and destination MAC addresses?
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Source became destination, FFFF. Note that the ICMP packet reappears. Yes Switch back to Realtime and the ping completes. From Enter the ping How many replies were sent and received? Step 2: Examine the MAC address table on the switches. Click Switch1and then the CLI tab. Enter the show mac-address-table command. Do the entries correspond to those in the table above? Yes Why are two MAC addresses associated with one port? Because both devices connect to one port through the Access Point.
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Type arp —a. Repeat the ping to How many PDUs appear? Click the PDU that is now at Switch1. The gateway address of the router interface is stored in the IPv4 configuration of the hosts. If the receiving host is not on the same network, the source uses the ARP process to determine a MAC address for the router interface serving as the gateway. Switch to Realtime mode. Click Router1 and then the CLI tab. Enter privileged EXEC mode and then the show mac-address-table command. How many MAC addresses are in the table? Zero, This command means something completely different than the switch command show mac address-table.
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Enter the show arp command. Is there an entry for Yes What happens to the first ping in a situation where the router responds to the ARP request? It times out. Recommend From year to year, Cisco has updated many versions with difference questions. The latest version is version 6. What is your version? It depends on your instructor creating your class. We recommend you to go thought all version if you are not clear. While you take online test with netacad. Each version have 1 to 10 different questions or more.
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After you review all questions, You should practice with our online test system by go to "Online Test" link below. Version 5.
Packet Tracer - Examine the ARP Table
Telnet uses insecure plain text communications. SSH provides security for remote connections by providing strong encryption of all transmitted data between devices. In this activity, you will secure a remote switch with password encryption and SSH. Save the current configuration so that any mistakes you might make can be reversed by toggling the power for S1. Show the current configuration and note that the passwords are in plain text.
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Enter the command that encrypts plain text passwords: S1 config service password-encryption Verify that the passwords are encrypted. It is generally not safe to use Telnet, because data is transferred in plain text. Therefore, use SSH whenever it is available. Configure the domain name to be netacad. S1 config ip domain-name netacad. Generate the RSA keys using a key length. S1 config crypto key generate rsa The name for the keys will be: S1.
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