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10.8.2 Lab – Configure CDP, LLDP, and NTP Answers

   CCNA 3 v7 & 7.02   
Final Exam Answers
This Modules 9 - 12
Modules 9 - 12 Exam Answers Online Test
Next Modules 13 - 14
Modules 13 - 14 Exam Answers Online Test
CCNA 3 ENSA v7.02 - Packet Tracer Activities Answers & Solutions
10.1.5 Packet Tracer – Use CDP to Map a Network Answers
10.2.6 Packet Tracer – Use LLDP to Map a Network Answers
10.3.4 Packet Tracer – Configure and Verify NTP Answers
10.6.10 Packet Tracer – Back Up Configuration Files Answers
10.6.12 Packet Tracer – Use TFTP and Flash to Manage Configuration Files – Physical Mode Answers
10.6.13 Packet Tracer – Research and Execute Password Recovery Procedures – Physical Mode Answers
10.7.6 Packet Tracer – Use a TFTP Server to Upgrade a Cisco IOS Image Answers
10.8.1 Packet Tracer – Configure CDP, LLDP, and NTP Answers
11.5.1 Packet Tracer – Compare Layer 2 and Layer 3 Devices Answers
12.5.13 Packet Tracer – Troubleshoot Enterprise Networks Answers
12.6.1 Packet Tracer – Troubleshooting Challenge – Document the Network Answers
12.6.2 Packet Tracer – Troubleshooting Challenge – Use Documentation to Solve Issues Answers
CCNA 3 ENSA v7.02 - Student Lab Answers & Solutions
10.4.10 Lab – Research Network Monitoring Software Answers
10.6.11 Lab – Use Tera Term to Manage Router Configuration Files Answers
10.6.12 Lab – Use TFTP, Flash, and USB to Manage Configuration Files Answers
10.6.13 Lab – Research Password Recovery Procedures Answers
10.8.2 Lab – Configure CDP, LLDP, and NTP Answers

Lab – Configure CDP, LLDP, and NTP (Answers Version)

Answers Note: Red font color or gray highlights indicate text that appears in the instructor copy only.

Topology

This topology has 1 router and 2 switches. R1 G0/0/1 is connected S1 F0/5. S1 F0/1 is connected S2 F01.

Addressing Table

Device

Interface

IP Address

Subnet Mask

Default Gateway

R1

Loopback1

172.16.1.1

255.255.255.0

N/A

R1

G0/0/1

10.22.0.1

255.255.255.0

N/A

S1

SVI VLAN 1

10.22.0.2

255.255.255.0

10.22.0.1

S2

SVI VLAN 1

10.22.0.3

255.255.255.0

10.22.0.1

Objectives

Part 1: Build the Network and Configure Basic Device Settings

Part 2: Network Discovery with CDP

Part 3: Network Discovery with LLDP

Part 4: Configure and Verify NTP

Background / Scenario

Cisco Discovery Protocol (CDP) is a Cisco proprietary protocol for network discovery on the data link layer. It can share information such as device names and IOS versions with other physically connected Cisco devices. Link Layer Discovery Protocol (LLDP) is vendor-neutral protocol using on the data link layer for network discovery. It is mainly used with network devices in the local area network (LAN). The network devices advertise information, such as their identities and capabilities to their neighbors.

Network Time Protocol (NTP) synchronizes the time of day among a set of distributed time servers and clients. NTP uses the User Datagram Protocol (UDP) as its transport protocol. By default, NTP communications use Coordinated Universal Time (UTC).

An NTP server usually receives its time from an authoritative time source, such as an atomic clock attached to a time server. It then distributes this time across the network. NTP is extremely efficient; no more than one packet per minute is necessary to synchronize two machines to within a millisecond of each other.

In this lab, you must document the ports that are connected to other switches using CDP and LLDP. You will document your findings in a network topology diagram.

Note: The routers used with CCNA hands-on labs are Cisco 4221 with Cisco IOS XE Release 16.9.4 (universalk9 image). The switches used in the labs are Cisco Catalyst 2960s with Cisco IOS Release 15.2(2) (lanbasek9 image). Other routers, switches, and Cisco IOS versions can be used. Depending on the model and Cisco IOS version, the commands available and the output produced might vary from what is shown in the labs. Refer to the Router Interface Summary Table at the end of the lab for the correct interface identifiers.

Note: Ensure that the routers and switches have been erased and have no startup configurations. If you are unsure contact your instructor.

Answers Note: Refer to the Answers Lab Manual for the procedures to initialize and reload devices.

Required Resources

  • 1 Router (Cisco 4221 with Cisco IOS XE Release 16.9.4 universal image or comparable)
  • 2 Switches (Cisco 2960 with Cisco IOS Release 15.2(2) lanbasek9 image or comparable)
  • 1 PC (Windows with a terminal emulation program, such as Tera Term)
  • Console cables to configure the Cisco IOS devices via the console ports
  • Ethernet cables as shown in the topology

Part 1:  Build the Network and Configure Basic Device Settings

In Part 1, you will set up the network topology and configure basic settings on the router and switches.

Step 1:  Cable the network as shown in the topology.

Attach the devices as shown in the topology diagram, and cable as necessary.

Step 2:  Configure basic settings for the router.

Open configuration window

  1. Assign a device name to the router.

router(config)# hostname R1

  1. Disable DNS lookup to prevent the router from attempting to translate incorrectly entered commands as though they were host names.

R1(config)# no ip domain lookup

  1. Assign class as the privileged EXEC encrypted password.

R1(config)# enable secret class

  1. Assign cisco as the console password and enable login.

R1(config)# line console 0

R1(config-line)# password cisco

R1(config-line)# login

  1. Assign cisco as the VTY password and enable login.

R1(config)# line vty 0 4

R1(config-line)# password cisco

R1(config-line)# login

  1. Encrypt the plaintext passwords.

R1(config)# service password-encryption

  1. Create a banner that warns anyone accessing the device that unauthorized access is prohibited.

R1(config)# banner motd $ Authorized Users Only! $

  1. Configure interfaces as listed in the table above

R1(config-if)# interface g0/0/1

R1(config-if)# ip address 10.22.0.1 255.255.255.0

R1(config-if)# no shutdown

R1(config-if)# end

  1. Save the running configuration to the startup configuration file.

R1# copy running-config startup-config

Close configuration window

Step 3:  Configure basic settings for each switch.

Open configuration window

  1. Assign a device name to the switch.

switch(config)# hostname S1

switch(config)# hostname S2

  1. Disable DNS lookup to prevent the router from attempting to translate incorrectly entered commands as though they were host names.

S1(config)# no ip domain-lookup

S2(config)# no ip domain-lookup

  1. Assign class as the privileged EXEC encrypted password.

S1(config)# enable secret class

S2(config)# enable secret class

  1. Assign cisco as the console password and enable login.

S1(config)# line console 0

S1(config-line)# password cisco

S1(config-line)# login

 

S2(config)# line console 0

S2(config-line)# password cisco

S2(config-line)# login

  1. Assign cisco as the VTY password and enable login.

S1(config)# line vty 0 15

S1(config-line)# password cisco

S1(config-line)# login

 

S2(config)# line vty 0 15

S2(config-line)# password cisco

S2(config-line)# login

  1. Encrypt the plaintext passwords.

S1(config)# service password-encryption

 

S2(config)# service password-encryption

  1. Create a banner that warns anyone accessing the device sees the banner message “Authorized Users Only !”.

S1(config)# banner motd $ Authorized Users Only! $

 

S2(config)# banner motd $ Authorized Users Only! $

  1. Shut down all unused interfaces.

S1(config)# interface range f0/2-4, f0/6-24, g0/1-2

S1(config-if-range)# shutdown

S1(config-if-range)# end

 

S2(config)# interface range f0/2-24, g0/1-2

S2(config-if-range)# shutdown

S2(config-if-range)# end

  1. Save the running configuration to the startup configuration file.

S1# copy running-config startup-config

S2# copy running-config startup-config

Close configuration window

Part 2:  Network Discovery with CDP

On Cisco devices, CDP is enabled by default. You will use CDP to discover the ports that are currently connected.

Open configuration window

  1. On R1, use the appropriate show cdp command to determine how many interfaces are CDP enabled, and of those how many are up and how many are down.

R1# show cdp interface | include interfaces

 cdp enabled interfaces : 5

 interfaces up          : 4

 interfaces down        : 1

Question:

How many interfaces are participating in the CDP advertisement? Which interfaces are up?

Type your answers here.

Answers will vary. In the output above, five interfaces are participating in CDP. Four are up, one is down.

  1. On R1, use the appropriate show cdp command to determine the IOS version used on S1.

R1# show cdp entry S1

————————-

Device ID: S1

Entry address(es):

Platform: cisco WS-C2960+24LC-L,  Capabilities: Switch IGMP

Interface: GigabitEthernet0/0/1,  Port ID (outgoing port): FastEthernet0/5

Holdtime : 125 sec

 

Version :

Cisco IOS Software, C2960 Software (C2960-LANBASEK9-M), Version 15.2(4)E8, RELEASE SOFTWARE (fc3)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2019 by Cisco Systems, Inc.

Compiled Fri 15-Mar-19 17:28 by prod_rel_team

 

advertisement version: 2

VTP Management Domain: ”

Native VLAN: 1

Duplex: full

Question:

What IOS version is S1 using?

Type your answers here.

Answers may vary. S1 in this example is using IOS Version 15.2(4)E8

  1. On S1, use the appropriate show cdp command to determine how many CDP packets have been output.

S1# show cdp traffic

CDP counters :

        Total packets output: 179, Input: 148

        Hdr syntax: 0, Chksum error: 0, Encaps failed: 0

        No memory: 0, Invalid packet: 0,

        CDP version 1 advertisements output: 0, Input: 0

        CDP version 2 advertisements output: 179, Input: 148

Question:

How many packets has CDP output since the last counter reset?

Type your answers here.

Answers may vary. In this example, CDP has output 179 packets

  1. Configure the SVI for VLAN 1 on S1 and S2 using the IP addresses specified in the Addressing Table above. Configure the default gateway on each switch based on the Address Table.

S1(config)# interface vlan 1

S1(config-if)# ip address 10.22.0.2 255.255.255.0

S1(config-if)# no shutdown

S1(config-if)# exit

S1(config)# ip default-gateway 10.22.0.1

 

S2(config)# interface vlan 1

S2(config-if)# ip address 10.22.0.3 255.255.255.0

S2(config-if)# no shutdown

S2(config-if)# exit

S2(config)# ip default-gateway 10.22.0.1

  1. On R1, issue the show cdp entry S1 command.

Question:

What additional information is now available?

Type your answers here.

The output includes the management IP address for VLAN 1 SVI on S1 that was just configured.

R1# show cdp entry S1

————————-

Device ID: S1

Entry address(es):

  IP address: 10.22.0.2

Platform: cisco WS-C2960+24LC-L,  Capabilities: Switch IGMP

Interface: GigabitEthernet0/0/1,  Port ID (outgoing port): FastEthernet0/5

Holdtime : 133 sec

 

Version :

Cisco IOS Software, C2960 Software (C2960-LANBASEK9-M), Version 15.2(4)E8, RELEASE SOFTWARE (fc3)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2019 by Cisco Systems, Inc.

Compiled Fri 15-Mar-19 17:28 by prod_rel_team

 

advertisement version: 2

VTP Management Domain: ”

Native VLAN: 1

Duplex: full

Management address(es):

  IP address: 10.22.0.2

  1. Disable CDP globally on all devices.

R1(config)# no cdp run

S1(config)# no cdp run

S2(config)# no cdp run

Close configuration window

Part 3:  Network Discovery with LLDP

On Cisco devices, LLDP maybe enabled by default. You will use LLDP to discover the ports that are currently connected.

Open configuration window

  1. Enter the appropriate lldp command to enable LLDP on all devices in the topology.

R1(config)# lldp run

S1(config)# lldp run

S2(config)# lldp run

  1. On S1, issue the appropriate lldp command to give you detailed information on S2.

S1# show lldp entry S2

 

Capability codes:

    (R) Router, (B) Bridge, (T) Telephone, (C) DOCSIS Cable Device

    (W) WLAN Access Point, (P) Repeater, (S) Station, (O) Other

————————————————

Local Intf: Fa0/1

Chassis id: c025.5cd7.ef00

Port id: Fa0/1

Port Description: FastEthernet0/1

System Name: S2

 

System Description:

Cisco IOS Software, C2960 Software (C2960-LANBASEK9-M), Version 15.2(4)E8, RELEASE SOFTWARE (fc3)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2019 by Cisco Systems, Inc.

Compiled Fri 15-Mar-19 17:28 by prod_rel_team

 

Time remaining: 109 seconds

System Capabilities: B

Enabled Capabilities: B

Management Addresses:

    IP: 10.22.0.3

Auto Negotiation – supported, enabled

Physical media capabilities:

    100base-TX(FD)

    100base-TX(HD)

    10base-T(FD)

    10base-T(HD)

Media Attachment Unit type: 16

Vlan ID: 1

 

 

Total entries displayed: 1

Question:

What is the chassis ID for switch S2?

Type your answers here.

Answers will vary. In this example, the chassis ID for S2 is c025.5cd7.ef00.

Close configuration window

  1. Console into all the devices and use the LLDP commands necessary for you to draw the physical network topology from only the show command output.

Answers will vary, but the main command to use is show lldp neighbor. The idea is for the student to visualize the network topology from only the LLDP outputs.

Part 4:  Configure NTP

In Part 4, you will configure R1 as the NTP server and S1 and S2 as NTP clients of R1. Synchronized time is important for syslog and debug functions. If the time is not synchronized, it is difficult to determine what network event caused the message.

Step 1:  Display the current time.

Open configuration window

Issue the show clock detail command to display the current time on R1. Record the information regarding the current time displayed in the following table.

Date

Time

Time Zone

Time Source

Answer will vary.

Answer will vary.

Answer will vary, usually the Time Zone is not set.

Answer will vary, usually Time Source is not set.

Step 2:  Set the time.

Use the appropriate command to set the time on R1. The time entered should be in UTC.

R1# clock set 19:45:00 19 September 2019

Step 3:  Configure the NTP master.

Configure R1 as the NTP master with a stratum level of 4.

R1(config)# ntp master 4

Step 4:  Configure the NTP client.

  1. Issue the appropriate command on S1 and S2 to see the configured time. Record the current time displayed in the following table.

Date

Time

Time Zone

Answer will vary.

Answer will vary.

Answer will vary.

  1. Configure S1 and S2 as NTP clients. Use the appropriate NTP commands to obtain time from R1’s G0/0/1 interface, as well as to periodically update the calendar or hardware clock on the switch.

S1(config)# ntp server 10.22.0.1

S1(config)# ntp update-calendar

 

S2(config)# ntp server 10.22.0.1

S2(config)# ntp update-calendar

Step 5:  Verify NTP configuration.

  1. Use the appropriate show command to verify that S1 and S2 are synchronized with R1.

Note: It could take a few minutes before the switches are synchronized with R1.

S1# show ntp status | include Clock

 

Clock is synchronized, stratum 5, reference is 10.22.0.1

 

S2# show ntp associations

 

  address         ref clock       st   when   poll reach  delay  offset   disp

*~10.22.0.1       127.127.1.1      4      4     64     3  3.194   4.629 63.914

 * sys.peer, # selected, + candidate, – outlyer, x falseticker, ~ configured

  1. Issue the appropriate command on S1 and S2 to see the configured time and compare the time recorded earlier.

Open configuration window

Reflection Question

Within a network, on which interfaces should you not use discovery protocols? Explain.

Type your answers here.

Discovery protocols should not be used on interfaces that are facing the external networks because these protocols provide insights about the internal network. This information allows attackers to gain valuable information about the internal network and can be used to exploit the network.

Router Interface Summary Table

Router Model

Ethernet Interface #1

Ethernet Interface #2

Serial Interface #1

Serial Interface #2

1800

Fast Ethernet 0/0 (F0/0)

Fast Ethernet 0/1 (F0/1)

Serial 0/0/0 (S0/0/0)

Serial 0/0/1 (S0/0/1)

1900

Gigabit Ethernet 0/0 (G0/0)

Gigabit Ethernet 0/1 (G0/1)

Serial 0/0/0 (S0/0/0)

Serial 0/0/1 (S0/0/1)

2801

Fast Ethernet 0/0 (F0/0)

Fast Ethernet 0/1 (F0/1)

Serial 0/1/0 (S0/1/0)

Serial 0/1/1 (S0/1/1)

2811

Fast Ethernet 0/0 (F0/0)

Fast Ethernet 0/1 (F0/1)

Serial 0/0/0 (S0/0/0)

Serial 0/0/1 (S0/0/1)

2900

Gigabit Ethernet 0/0 (G0/0)

Gigabit Ethernet 0/1 (G0/1)

Serial 0/0/0 (S0/0/0)

Serial 0/0/1 (S0/0/1)

4221

Gigabit Ethernet 0/0/0 (G0/0/0)

Gigabit Ethernet 0/0/1 (G0/0/1)

Serial 0/1/0 (S0/1/0)

Serial 0/1/1 (S0/1/1)

4300

Gigabit Ethernet 0/0/0 (G0/0/0)

Gigabit Ethernet 0/0/1 (G0/0/1)

Serial 0/1/0 (S0/1/0)

Serial 0/1/1 (S0/1/1)

Note: To find out how the router is configured, look at the interfaces to identify the type of router and how many interfaces the router has. There is no way to effectively list all the combinations of configurations for each router class. This table includes identifiers for the possible combinations of Ethernet and Serial interfaces in the device. The table does not include any other type of interface, even though a specific router may contain one. An example of this might be an ISDN BRI interface. The string in parenthesis is the legal abbreviation that can be used in Cisco IOS commands to represent the interface.

End of document

Device Configs – Final

Router R1

R1# show run

Building configuration…

 

 

Current configuration : 1651 bytes

!

version 16.9

service timestamps debug datetime msec

service timestamps log datetime msec

service password-encryption

platform qfp utilization monitor load 80

no platform punt-keepalive disable-kernel-core

!

hostname R1

!

boot-start-marker

boot-end-marker

!

!

vrf definition Mgmt-intf

 !

 address-family ipv4

 exit-address-family

 !

 address-family ipv6

 exit-address-family

!

enable secret 5 $1$eLNA$ep.HFs8Pvv4rfDFXkbHHF/

!

no aaa new-model

!

no ip domain lookup

!

login on-success log

!

subscriber templating

!

multilink bundle-name authenticated

!

spanning-tree extend system-id

!

redundancy

 mode none

!

lldp run

no cdp run

!

interface GigabitEthernet0/0/0

 no ip address

 negotiation auto

!

interface GigabitEthernet0/0/1

 ip address 10.22.0.1 255.255.255.0

 negotiation auto

!

interface Serial0/1/0

 no ip address

!

interface Serial0/1/1

 no ip address

!

interface GigabitEthernet0

 vrf forwarding Mgmt-intf

 no ip address

 negotiation auto

!

ip forward-protocol nd

no ip http server

ip http secure-server

ip tftp source-interface GigabitEthernet0

!

control-plane

!

banner motd ^C Authorized Users Only! ^C

!

line con 0

 password 7 045802150C2E

 login

 transport input none

 stopbits 1

line aux 0

 stopbits 1

line vty 0 4

 password 7 045802150C2E

 login

!

ntp master 4

!

end

Switch S1

S1# show run

Building configuration…

 

Current configuration : 1832 bytes

!

version 15.2

no service pad

service timestamps debug datetime msec

service timestamps log datetime msec

service password-encryption

!

hostname S1

!

boot-start-marker

boot-end-marker

!

enable secret 5 $1$7eu1$pupMzRuJZXnwBeb2vcW2p0

!

no aaa new-model

system mtu routing 1500

!

no ip domain-lookup

!

spanning-tree mode rapid-pvst

spanning-tree extend system-id

!

vlan internal allocation policy ascending

lldp run

no cdp run

!

interface FastEthernet0/1

!

interface FastEthernet0/2

 shutdown

!

interface FastEthernet0/3

 shutdown

!

interface FastEthernet0/4

 shutdown

!

interface FastEthernet0/5

!

interface FastEthernet0/6

 shutdown

!

interface FastEthernet0/7

 shutdown

!

interface FastEthernet0/8

 shutdown

!

interface FastEthernet0/9

 shutdown

!

interface FastEthernet0/10

 shutdown

!

interface FastEthernet0/11

 shutdown

!

interface FastEthernet0/12

 shutdown

!

interface FastEthernet0/13

 shutdown

!

interface FastEthernet0/14

 shutdown

!

interface FastEthernet0/15

 shutdown

!

interface FastEthernet0/16

 shutdown

!

interface FastEthernet0/17

 shutdown

!

interface FastEthernet0/18

 shutdown

!

interface FastEthernet0/19

 shutdown

!

interface FastEthernet0/20

 shutdown

!

interface FastEthernet0/21

 shutdown

!

interface FastEthernet0/22

 shutdown

!

interface FastEthernet0/23

 shutdown

!

interface FastEthernet0/24

 shutdown

!

interface GigabitEthernet0/1

 shutdown

!

interface GigabitEthernet0/2

 shutdown

!

interface Vlan1

 ip address 10.22.0.2 255.255.255.0

!

ip default-gateway 10.22.0.1

ip http server

ip http secure-server

!

banner motd ^C Authorized Users Only! ^C

!

line con 0

 password 7 02050D480809

 login

line vty 0 4

 password 7 02050D480809

 login

line vty 5 15

 password 7 02050D480809

 login

!

ntp update-calendar

ntp server 10.22.0.1

end

Switch S2

S2# show run

Building configuration…

 

Current configuration : 1842 bytes

!

version 15.2

no service pad

service timestamps debug datetime msec

service timestamps log datetime msec

service password-encryption

!

hostname S2

!

boot-start-marker

boot-end-marker

!

enable secret 5 $1$Uajv$IGsyRs/8vTPBk6R9tmJ0Q0

!

no aaa new-model

system mtu routing 1500

!

no ip domain-lookup

!

!

spanning-tree mode rapid-pvst

spanning-tree extend system-id

!

vlan internal allocation policy ascending

lldp run

no cdp run

!

!

interface FastEthernet0/1

!

interface FastEthernet0/2

 shutdown

!

interface FastEthernet0/3

 shutdown

!

interface FastEthernet0/4

 shutdown

!

interface FastEthernet0/5

 shutdown

!

interface FastEthernet0/6

 shutdown

!

interface FastEthernet0/7

 shutdown

!

interface FastEthernet0/8

 shutdown

!

interface FastEthernet0/9

 shutdown

!

interface FastEthernet0/10

 shutdown

!

interface FastEthernet0/11

 shutdown

!

interface FastEthernet0/12

 shutdown

!

interface FastEthernet0/13

 shutdown

!

interface FastEthernet0/14

 shutdown

!

interface FastEthernet0/15

 shutdown

!

interface FastEthernet0/16

 shutdown

!

interface FastEthernet0/17

 shutdown

!

interface FastEthernet0/18

 shutdown

!

interface FastEthernet0/19

 shutdown

!

interface FastEthernet0/20

 shutdown

!

interface FastEthernet0/21

 shutdown

!

interface FastEthernet0/22

 shutdown

!

interface FastEthernet0/23

 shutdown

!

interface FastEthernet0/24

 shutdown

!

interface GigabitEthernet0/1

 shutdown

!

interface GigabitEthernet0/2

 shutdown

!

interface Vlan1

 ip address 10.22.0.3 255.255.255.0

!

ip default-gateway 10.22.0.1

ip http server

ip http secure-server

!

banner motd ^C Authorized Users Only! ^C

!

line con 0

 password 7 030752180500

 login

line vty 0 4

 password 7 030752180500

 login

line vty 5 15

 password 7 030752180500

 login

!

ntp update-calendar

ntp server 10.22.0.1

end

   CCNA 3 v7 & 7.02   
Final Exam Answers
This Modules 9 - 12
Modules 9 - 12 Exam Answers Online Test
Next Modules 13 - 14
Modules 13 - 14 Exam Answers Online Test
CCNA 3 ENSA v7.02 - Packet Tracer Activities Answers & Solutions
10.1.5 Packet Tracer – Use CDP to Map a Network Answers
10.2.6 Packet Tracer – Use LLDP to Map a Network Answers
10.3.4 Packet Tracer – Configure and Verify NTP Answers
10.6.10 Packet Tracer – Back Up Configuration Files Answers
10.6.12 Packet Tracer – Use TFTP and Flash to Manage Configuration Files – Physical Mode Answers
10.6.13 Packet Tracer – Research and Execute Password Recovery Procedures – Physical Mode Answers
10.7.6 Packet Tracer – Use a TFTP Server to Upgrade a Cisco IOS Image Answers
10.8.1 Packet Tracer – Configure CDP, LLDP, and NTP Answers
11.5.1 Packet Tracer – Compare Layer 2 and Layer 3 Devices Answers
12.5.13 Packet Tracer – Troubleshoot Enterprise Networks Answers
12.6.1 Packet Tracer – Troubleshooting Challenge – Document the Network Answers
12.6.2 Packet Tracer – Troubleshooting Challenge – Use Documentation to Solve Issues Answers
CCNA 3 ENSA v7.02 - Student Lab Answers & Solutions
10.4.10 Lab – Research Network Monitoring Software Answers
10.6.11 Lab – Use Tera Term to Manage Router Configuration Files Answers
10.6.12 Lab – Use TFTP, Flash, and USB to Manage Configuration Files Answers
10.6.13 Lab – Research Password Recovery Procedures Answers
10.8.2 Lab – Configure CDP, LLDP, and NTP Answers
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