Packet Tracer Tracer - Configure Initial Router Settings (Instructor Version) Instructor Note: Note : Red font color or Gray highlights indicate text that appears in the instructor copy only.
Topology
Objecties Part !" Verify t#e $efault Router Configuration Part %" Configure an& Verify t#e Initial Router Configuration Part '" Sae t#e Running Configuration ile
ackgroun& In this activity, you will perform basic router configurations. You You will secure access to the CI and console port using encrypted and plain text passwords. You You will also configure messages for users logging into the router. !hese banners also warn unauthori"ed users that access is prohibited. #inally, you will verify and save your running configuration.
Part !" !" Verify Verify t#e $efau $efault lt Route Routerr Config Configura uratio tion n Step !" *stablis *stablis# # a console console connecti connection on to to R!+ R!+ a. Choose a Console cable from the available connections. b. Clic$ PC, and select RS %'%+ c.
Clic$ R! and select Console+
d. Clic$ PC, % PC, % $esktop tab $esktop tab % Terinal. Terinal. e. Clic$ O. and press *NT*R. *NT*R. You are now able to configure R!. R!.
Step %" %" *nter *nter priilege priilege& & o&e an& an& e/aine e/aine t#e t#e current current configur configuration ation++ You You can access all the router commands from privileged &'&C mode. (owever, because many of the privileged commands configure operating parameters, privileged access should be password)protected to prevent unauthori"ed use. a. &nter &nter privi privileg leged ed &'&C &'&C mode mode by enter entering ing the the enable command. Router> enable Router#
*otice that the prompt changed in the configuration to reflect privileged &'&C mode. b. &nter th the show running-config command: Router# show running-config + -/ Cisco and0or its affiliates. 1ll rights reserved. !his document is Cisco 2ublic.
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Packet Tracer - Configure Initial Router Settings c.
1nswer the following 3uestions: 4hat is the router5s hostname6 Router (ow many #ast &thernet interfaces does the Router have6 7 (ow many Gigabit &thernet interfaces does the Router have6 (ow many 8erial interfaces does the router have6 4hat is the range of values shown for the vty lines6 - ) 7
d. 9isplay the current contents of *R1;. Router# show startup-config startup-config is not present
4hy does the router respond with the startup-config is not present message6 It displays this message because the configuration file was n ot saved to *R1;. Currently it is only located in R1;.
Part %" Configure an& Verify t#e Initial Router Configuration !o configure parameters on a router, you may be re3uired to move between various configuration modes. *otice how the prompt changes as you navigate through the router.
Step !" Configure t#e initial settings on R!+ Note: If you have difficulty remembering the commands, refer to the content for this topic. !he commands are the same as you configured on a switch. a. R! as the hostname. b.
&ncrypt all plain text passwords.
d. ;essage of the day text: Unauthorized access is strictly prohibited . Note" !he activity is configured with a regular expression to only chec$ for the word >access? in the student5s banner ot& command.
Step %" Verify t#e initial settings on R!+ a.
erify the initial settings by viewing the configuration for R. 4hat command do you use6 show running) config
b. &xit the current console session until you see the following message: R1 con0 is now available Press REUR! to get started"
c.
2ress *NT*R@ you should see the following message: Unauthorized access is strictly prohibited" User ccess $erification
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Packet Tracer - Configure Initial Router Settings Password%
4hy should every router have a message)of)the)day A;B!9= banner6 &very router should have a banner to warn unauthori"ed users that access is prohibited but can also be used for sending messages to networ$ personnel0technicians Asuch as impending system shutdowns or who to contact for access=. If you are not prompted for a password, what console line command did you forget to configure6 R1&config-line'# login
d. &nter the passwords necessary to return to privileged &'&C mode. 4hy would the enable secret password allow access to the privileged &'&C mode and t#e enable pass1or& no longer be valid6 !he enable secret password overrides the enable password. If both are configured on the Router, you must enter the enable secret password to enter privileged &'&C mode. If you configure any more passwords on the router, are they displayed in the configuration file as plain text or in encrypted form6 &xplain. !he service password)encryption command encrypts all current and future passwords.
Part '" Sae t#e Running Configuration ile Step !" Sae t#e configuration file to NVR,2+ a. You have configured the initial settings for R!. *ow bac$ up the running configuration file to *R1; to ensure that the changes made are not lost if the s ystem is rebooted or loses power. 4hat command did you enter to save the configuration to *R1;6 copy running-config startup-config
4hat is the shortest, unambiguous version of this command6 copy r s 4hich command displays the contents of the *R1;6 show startup-configuration or show start
b.
erify that all of the parameters configured are recorded. If not, analy"e the output and determine which commands were not done or were entered incorrectly. You can also clic$ C#eck Results in the instruction window.
Step %" Optional bonus" Sae t#e startup configuration file to flas#+ 1lthough you will be learning more about managing the flash storage in a router in later chapters, you may be interested to $now now that , as an added bac$up procedure , you can save your startup configuration file to flash. Dy default, the router still loads the startup configuration from *R1;, but if *R1; becomes corrupt, you can restore the startup configuration by copying it over from f lash. Complete the following steps to save the startup configuration to flash. a. &xamine the contents of flash using the s#o1 flas# command: R1# show flash
(ow many files are currently stored in flash6 / 4hich of these files would you guess is the IB8 image6 cE--)universal$E)m".821.F)7.;7.bin 4hy do you thin$ this file is the IB8 image6 1nswers may vary, but two clues are the file length compared to the others and the .bin at the end of the file name b. 8ave the startup configuration file to flash using the following commands: R1# copy startup-config flash (estination filena)e *startup-config+
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Packet Tracer - Configure Initial Router Settings !he router prompts to store the file in flash using the name in brac$ets. If the answer is yes, then press *NT*R@ if not, type an appropriate name and press *NT*R. c.
Suggeste& Scoring Rubric ,ctiity Section 2art : erify the 9efault Router Configuration
3uestion 4ocation
Possible Points
8tep c
-
8tep d
Part ! Total 2art : Configure and erify the Initial Router Configuration
2art /: 8ave the Running Configuration #ile
!%
8tep a
8tep c
F
8tep d
Part % Total
!'
8tep a
F
8tep a Abonus=
F
Part ' Total
!5
Packet Tracer Score
65
Total Score (1it# bonus)
!57
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*arne& Points
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