CCNPv7 TSHOOT Lab4 2 Mixed Layer 2 3 Connectivity Student

CCNPv7 TSHOOT

Chapter 4 Lab 4-2, Mixed Layer 2-3 Connectivity Physical Topology

© 2015 Cisco and/or its affiiates! " " ri#hts reserved! $his doc%&ent is Cisco '%bic!

'a#e 1 of 13

CCNPv7 TSHOOT

Lab 4-2, Mixed Layer 2-3 Connectivity

Logical Topology

© 2015 Cisco and/or its affiiates! " ri#hts reserved! $his doc%&ent is Cisco '%bic!

'a#e 2 of 13

CCNPv7 TSHOOT



'a#e 3 of 13

CCNPv7 TSHOOT


Objectives •

Load the tro%be tic(et device confi#%ration fies for each tro%be tic(et!

•

)ia#nose and resove probe&s reated to s*itch virt%a interfaces and &%tiayer s*itchin#!

•

)ia#nose and resove probe&s reated to +irst op ed%ndancy 'rotocos!

•

)oc%&ent tro%beshootin# pro#ress, confi#%ration chan#es, and probe& reso%tion!

Background M%tiayer s*itches have the capabiity to act as ro%ters by *ay of s*itch virt%a interfaces .s, ro%ted interfaces, and ro%tin# protocos! s are Layer 3 o#ica interfaces representin# L"s and ro%ted ports are Layer 3 physica interfaces! M%tiayer s*itches are fre%enty %sed as part of the L" s*itch fabric and can be confi#%red *ith a +irst op ed%ndancy 'rotoco .+'! $*o or &ore Layer 3 s*itches .or ro%ters can provide red%ndant paths to the net*or( ed#e for oca hosts! " host is confi#%red *ith a virt%a defa%t #ate*ay address! f one of the #ate*ays #oes do*n, the other can ta(e over for the cient *itho%t the cients (no*ed#e! +'s %sed in CC'v6!0 are ot tandby o%ter 'rotoco .', irt%a o%ter ed%ndancy 'rotoco .', and 7ate*ay Load 8aancin# 'rotoco .7L8'! n this ab, yo% *i tro%beshoot probe&s reated to Layer 3 s*itchin# and +'s! +or each tas( or tro%be tic(et, the scenario and probe& sy&pto&s are described! 9hie tro%beshootin#, yo% *i discover the ca%se of the probe&, correct it, and then doc%&ent the process and res%ts! Physical and Logical Topology iagra!s $he physica and o#ica topoo#ies, inc%din# interface desi#nations and 'v4/'v: addresses, are provided to assist the tro%beshootin# effort! Note" $his ab %ses Cisco  72 ro%ters r%nnin# Cisco ; 15!4.3 i&a#es *ith ' 8ase and ec%rity pac(a#es enabed, and Cisco Catayst 35:0 and 2<:0 s*itches r%nnin# Cisco ; 15!0.2 ' ervices and L" 8ase i&a#es, respectivey! $he 35:0 and 2<:0 s*itches are confi#%red *ith the )M te&pates dual# ipv$#and#ipv% routing and lanbase#routing , respectivey! Depending on the router or switch model and Cisco IOS Software version, the commands available and output produced might vary from what is shown in this lab! "ny chan#es &ade to the baseine confi#%rations or topoo#y .other than errors introd%ced are noted in the tro%be tic(et so that yo% are a*are of the& prior to be#innin# the tro%beshootin# process!

&e'uired &esources •

•

•

3 ro%ters .Cisco ; eease 15!4 or co¶be 2 &%tiayer s*itches and 1 access ayer s*itch .Cisco ; eease 15!0.2 or co¶be *ith +ast =thernet interfaces 1 .'C *ith static ' address> 9indo*s 6 *ith ")?, $+$', and syso# servers, p%s an  cient and 9 irehar( soft*are

•

'C-8 .)C' cient> 9indo*s 6 *ith  cient and 9irehar( soft*are

•

'C-C .)C' cient> 9indo*s 6 *ith  cient and 9irehar( soft*are


'a#e 4 of 13

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Task (" Trouble Ticket Lab $#) TT#* Step (" &evie+ trouble ticket Lab $#) TT#*, )%rin# ast +ridays &aintenance *indo*, a series of faiover tests at head%arters and the branch offices *ere exec%ted! t *as discovered d%rin# a reboot of s*itch )L1 that connectivity bet*een cients in ;++C= L" 120 and the nternet *as ost! "fter ro%ter )L1 ca&e bac( onine, the cients re#ained connectivity! $his *as not the expected behavior, beca%se the net*or( provides #ate*ay first-hop red%ndancy for cients in the ;++C= L" to ens%re correct faiover d%rin# o%ta#es> f one of the ' s*itches fais, the hosts on the ;++C= L" sho%d sti be abe to access the nternet .by pin#in# 2 Lo1 2!2!2!2 d%rin# the o%ta#e!

Step )" Load the device trouble ticket con-iguration -iles -or TT#*, ?sin# the proced%re described in the 8"= Lab, verify that the ab confi#%ration fies are present in fash! Load the proper confi#%ration fies indicated in the )evice Confi#%ration +ie $abe! Note" @o% can test the si&%ated nternet access by openin# a bro*ser and enterin# the ' address o f the 2 Lo1 interface 2!2!2!2! @o% *i be pro&pted for a %serna&e and pass*ord! @o% can #ain access to the ro%ter 7? &ana#e&ent interface by enterin# %serna&e cisco and the enabe pass*ord cisco! evice Con-iguration .ile Table evice Na!e

.ile to Load

Notes

*LS(

Lab42-"L1-$$-"-Cf#!txt

LS(

Lab42-)L1-$$-"-Cf#!txt

LS)

Lab42-)L2-$$-"-Cf#!txt

&(

Lab42-1-$$-"-Cf#!txt

&)

Lab42-2-$$-"-Cf#!txt

&/

Lab42-3-$$-"-Cf#!txt

S&0(

/"

tatic '> 10!1!100!1 and 2001>)8A>C"+=>100>>1 )efa%t #ate*ay> 1 0!1!100!254/24 and 2001>)8A>C"+=>100>>)1/:4

PC#B

/"

)C' .reease and rene* for 'v4 and 'v: after oadin# device confi#%rations

PC#C

/"


Step /" Con-igure S&0( and start the syslog and T.TP servers, a!

=ns%re that 1 has the static ' address 10!1!100!1 and defa%t #ate*ay 10!1!100!254!

b!

tart the syso# server on 1, *hich is the syso# server for the entire net*or(! 9hen the net*or( is propery confi#%red, a devices send syso# &essa#es to 1!

c!

tart the $+$' server on 1, *hich is the archive server for the entire net*or(! 9hen the net*or( is propery confi#%red, a devices send archives of their r%nnin# confi#%rations to this server *henever the r%nnin# confi# is copied to the start%p confi#! =ns%re that the defa%t $+$' directory on 1 is set to the directory *here yo% *ant to store the archives!

Step $" &elease and rene+ the HCP leases on PC#B and PC#C, a!

=ns%re that 'C-8 and 'C-C are confi#%red as )C' cients!

b!

"fter oadin# a $$-" device confi#%ration fies, iss%e the ipconfig/release and ipconfig/renew co&&ands on 'C-8 and 'C-C! @o% &i#ht need to repeat this process after the $$ probe&s have been resoved!

Note" 'robe&s introd%ced into the net*or( by the tro%be tic(et &i#ht prevent one or both of the 'Cs fro& ac%irin# an ' address! Be sure to attempt to release and renew the DHCP leases on PCB and PCC! Do not assign either PC a static address! © 2015 Cisco and/or its affiiates! " ri#hts reserved! $his doc%&ent is Cisco '%bic!

'a#e 5 of 13

CCNPv7 TSHOOT


Step 1" Outline the troubleshooting approach and validation steps, ?se this space to identify yo%r tro%beshootin# approach and the (ey steps to verify that the probe& is resoved! $ro%beshootin# approaches to seect fro& inc%de the foo*-the-path, perfor&-co&parison, botto&-%p, top-do*n, divide-and-con%er, shoot-fro&-the-hip, and s*ap-co&ponents .&ove-the-probe& ðods! Note" n addition to a specific approach, yo% can %se the #eneric tro%beshootin# process> definin# a probe&, #atherin# infor&ation, anayBin# the infor&ation, ei&inatin# possibe probe& ca%ses, for&%atin# a hypothesis abo%t the i(ey ca%se of the probe&, testin# that hypothesis, and sovin# the probe&!

_________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ Step %" &ecord the troubleshooting process and con-iguration changes, ?se this o# to doc%&ent yo%r actions and res%ts d%rin# the tro%beshootin# process! List the co&&ands yo% %sed to #ather infor&ation! "s yo% pro#ress, record yo%r tho%#hts as to *hat yo% thin( the probe& &i#ht be and *hich actions yo% ta(e to correct the probe&! evice

*ctions and &esults


'a#e : of 13

CCNPv7 TSHOOT


Step 7" ocu!ent trouble ticket debrie- notes, ?se this space to &a(e notes of the (ey earnin# points that yo% pic(ed %p d%rin# the disc%ssion of this tro%be tic(et *ith yo%r instr%ctor! $he notes can inc%de probe&s enco%ntered, so%tions appied, and %sef% co&&ands e&poyed! t can aso inc%de a ternate so%tions, ðods, and proced%res and co&&%nication i&prove&ents!

_________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________

Task )" Trouble Ticket Lab $#) TT#B Step (" &evie+ trouble ticket Lab $#) TT#B, ?pon arrivin# at the office this &ornin#, yo% find the foo*in# tic(et in the syste&> *itch "L1 has been sho*in# CC errors on a #ro%p of ei#ht ports for severa days! t *as s%spected that hard*are *as the ca%se! )%rin# yesterday evenin#s &aintenance *indo*, the s*itch *as repaced *ith a si&iar s*itch fro& the ab! "fter this repace&ent, cients co%d connect, and no errors *ere sho*n on the ports! o*ever, &a(in# a bac(%p of the "L1 confi#%ration to server 1 did not *or(, and no syso# &essa#es fro& "L1 are bein# received by 1! $he s*itch is not reachabe via  fro& server 1! $here *as no ti&e for f%rther research yesterday so, beca%se there is no i&pact to %sers, it *as decided to eave the s*itch and pic( %p this iss%e the next day! @o%r tas( is to dia#nose the iss%e and restore connectivity bet*een s*itch "L1 and server 1! "fter resovin# the probe&, &a(e a bac(%p of the confi#%ration to server 1!

Step )" Load the device trouble ticket con-iguration -iles -or TT#B, Load the proper confi#%ration fies indicated in the )evice Confi#%ration +ie $abe! Note" $he foo*in# device access ðods are in effect after oadin# the confi#%ration fies> • • •

Consoe access re%ires no %serna&e or pass*ord!  re%ires the %serna&e ad!in and pass*ord cisco! $he enable pass*ord is cisco!

evice Con-iguration .ile Table evice Na!e

.ile to Load

Notes

*LS(

Lab42-"L1-$$-8-Cf#!txt

LS(

Lab42-)L1-$$-8-Cf#!txt

LS)

Lab42-)L2-$$-8-Cf#!txt

&(

Lab42-1-$$-8-Cf#!txt

&)

Lab42-2-$$-8-Cf#!txt

&/

Lab42-3-$$-8-Cf#!txt

S&0(

/"

tatic '> 10!1!100!1 and 2001>)8A>C"+=>100>>1 )efa%t #ate*ay> 10!1!100!254/24 and 2001>)8A>C"+=>100>>)1/:4

PC#B

/"

)C' .reease and rene* for 'v4 and 'v: after oadin# device


'a#e 6 of 13

CCNPv7 TSHOOT

Lab 4-2, Mixed Layer 2-3 Connectivity confi#%rations /"

PC#C


Step /" Con-igure S&0( and start the syslog and T.TP servers2 as described in Task (, Step $" &elease and rene+ the HCP leases on PC#B and PC#C2 as described in Task (, Step 1" Outline the troubleshooting approach and validation steps, ?se this space to identify yo%r tro%beshootin# approach and the (ey steps to verify that the probe& is resoved! $ro%beshootin# approaches to seect fro& inc%de foo*-the-path, perfor&-co&parison, botto&-%p, top-do*n, divide-and-con%er, shoot-fro&-the-hip, and s*ap-co&ponents .&ove-the-probe& ðods! Note" n addition to a specific approach, yo% can %se the #eneric tro%beshootin# process!

_________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ Step %" &ecord the troubleshooting process and con-iguration changes, ?se this o# to doc%&ent yo%r actions and res%ts d%rin# the tro%beshootin# process! List the co&&ands yo% %sed to #ather infor&ation! "s yo% pro#ress, record yo%r tho%#hts as to *hat yo% thin( the probe& &i#ht be and *hich actions yo% ta(e to correct the probe&!

evice

*ctions and &esults


'a#e A of 13

CCNPv7 TSHOOT

evice


*ctions and &esults

Step 7" ocu!ent trouble ticket debrie- notes, ?se this space to &a(e notes of the (ey earnin# points that yo% pic(ed %p d%rin# the disc%ssion of this tro%be tic(et *ith yo%r instr%ctor! $he notes can inc%de probe&s enco%ntered, so%tions appied, %sef% co&&ands e&poyed, aternate so%tions, ðods and processes, and proced%re and co&&%nication i&prove&ents!

_________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________

Task /" Trouble Ticket Lab $#) TT#C Step (" &evie+ trouble ticket Lab $#) TT#C, Mary perfor&ed a pass*ord recovery on "L1 ast ni#ht after ho%rs so that no %sers *o%d be affected! $his &ornin# no tro%be tic(ets *ere posted and apparenty e&poyees have nor&a net*or( access! @o% *ent to reconfi#%re a s*itch port on "L1 to the ;++C= L" for a ne* c%bice, b%t pin#, $enet, and  to "L1 via 'v4 are faiin# fro& the ' &ana#e&ent station at 10!1!202!1! @o% can pin# "L1 interfaces %sin# 'v:! @o% try to  via 'v:, b%t yo% #et the &essa#e % Connection refused by remote host yo% then reca baseine poicy dictates "L1 to have an 'v: "CL appied to its vty ines to prevent 'v: access! @o% chec( the o#s on 1 and notice that a net*or( devices indicate periodic entries fro& this &ornin#, except "L1! @o% can  into )L1 and )L2, *hich have net*or(s in co&&on *ith "L1 thin(in# that it &ay be easier to atte&pt  from a device on the sa&e net*or( as L" <<, yo% try to  fro&  << on )L1 directy to  << on "L1! 8%t Mary chan#ed the acco%nt infor&ation for re&ote access on "L1D @o% have no option b%t to consoe into "L1 to tro%beshoot E fort%natey yo% sti have consoe access! @o%r tas( is to reestabish re&ote access f%nctionaity to "L1 via 'v4 fro& the ' &ana#e&ent station and reestabish o##in# to 1 fro& "L1!

Step )" Load the device trouble ticket con-iguration -iles -or TT#C, Load the proper confi#%ration fies indicated in the )evice Confi#%ration +ie $abe! evice Con-iguration .ile Table evice Na!e

.ile to Load

*LS(

Lab42-"L1-$$-C-Cf#!txt

LS(

Lab42-)L1-$$-C-Cf#!txt

Notes


'a#e < of 13

CCNPv7 TSHOOT


LS)

Lab42-)L2-$$-C-Cf#!txt

&(

Lab42-1-$$-C-Cf#!txt

&)


&/


S&0(

/"


PC#B

/"


PC#C

/"


Step /" Con-igure S&0( and start the syslog and T.TP servers2 as described in Task (, Step $" &elease and rene+ the HCP leases on PC#B and PC#C2 as described in Task (, Step 1" Outline the troubleshooting approach and validation steps, ?se this space to identify yo%r tro%beshootin# approach and the (ey steps to verify that the probe& is resoved! $ro%beshootin# approaches to seect fro& inc%de foo*-the-path, perfor&-co&parison, botto&-%p, top-do*n, divide-and-con%er, shoot-fro&-the-hip, and s*ap-co&ponents .&ove-the-probe& ðods! Note" n addition to a specific approach, yo% can %se the #eneric tro%beshootin# process!

_________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ Step %" &ecord the troubleshooting process and con-iguration changes, ?se this o# to doc%&ent yo%r actions and res%ts d%rin# the tro%beshootin# process! List the co&&ands yo% %sed to #ather infor&ation! "s yo% pro#ress, record yo%r tho%#hts as to *hat yo% thin( the probe& &i#ht be and *hich actions yo% ta(e to correct the probe&! evice

*ctions and &esults


'a#e 10 of 13

CCNPv7 TSHOOT

evice


*ctions and &esults

Step 7" ocu!ent trouble ticket debrie- notes, ?se this space to &a(e notes of the (ey earnin# points that yo% pic(ed %p d%rin# the disc%ssion of this tro%be tic(et *ith yo%r instr%ctor! $he notes can inc%de probe&s enco%ntered, so%tions appied, and %sef% co&&ands e&poyed! t can aso inc%de a ternate so%tions, ðods, and proced%res and co&&%nication i&prove&ents!

_________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________

Task $" Trouble Ticket Lab $#) TT# Step (" &evie+ trouble ticket Lab $#) TT#, @o% assi#ned Fohn the tas( of sec%rin# the ' i&pe&entation *ith M)5 a%thentication on the == L"! "fter Fohn co&petes the tas(, initia reports are pro&isin#, b%t t%rn o%t to be pre&at%re! o&e co&pany #%ests are co&painin# abo%t inter&ittent server access that see&s to correate *ith the ' a%thentication chan#es! Fohn often perfor&s above-and-beyond expectations, and he too( it %pon hi&sef to i&prove L" sec%rity by addin# confi#%ration co&&ands on the &%tiayer s*itches to prevent traffic stor&s! @o%r tas( is to revie* and verify the i&pe&entation of ' and fix iss%es that re&ain to ret%rn the net*or( to a stabe state!

Step )" Load the device trouble ticket con-iguration -iles -or TT#, Load the proper confi#%ration fies indicated in the )evice Confi#%ration +ie $abe! evice Con-iguration .ile Table evice Na!e

.ile to Load

*LS(

Lab42-"L1-$$-)-Cf#!txt

LS(

Lab42-)L1-$$-)-Cf#!txt

LS)

Lab42-)L2-$$-)-Cf#!txt

&(

Lab42-1-$$-)-Cf#!txt

Notes


'a#e 11 of 13

CCNPv7 TSHOOT


&)

Lab42-2-$$-)-Cf#!txt

&/

Lab42-3-$$-)-Cf#!txt

S&0(

/"


PC#B

/"


PC#C

/"


Step /" Con-igure S&0( and start the syslog and T.TP servers2 as described in Task (, Step $" &elease and rene+ the HCP leases on PC#B and PC#C2 as described in Task (, Step 1" Si!ulate tra--ic load -ro! PC#C to S&0(, i&%ate server traffic oad on fro& co&pany #%ests> =nter the %ser =G=C &ode co&&ands ttcp receive on 1 and ttcp transmit 10.1.2.2 on 3! " $$C' session can be stopped by enterin# CtrHhiftH: foo*ed by x! eenter the $$C' co&&ands on 1 and 3 as necessary thro%#ho%t this tic(et! $o si&%ate the inter&ittent server access experienced by co&pany #%ests, enter ping -t -l 19500 10.1.100.1 on 'C-C E antivir%s and fire*a soft*are &ay need to be disabed on so&e 'Cs to per&it this co&&and! f re%ests are periodicay ti&in# o%t then the server access iss%e has not been resovedD

Step %" Outline the troubleshooting approach and validation steps, ?se this space to identify yo%r tro%beshootin# approach and the (ey steps to verify that the probe& is resoved! $ro%beshootin# approaches to seect fro& inc%de foo*-the-path, perfor&-co&parison, botto&-%p, top-do*n, divide-and-con%er, shoot-fro&-the-hip, and s*ap-co&ponents .&ove-the-probe& ðods! Note" n addition to a specific approach, yo% can %se the #eneric tro%beshootin# process!

_________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ Step 7" &ecord the troubleshooting process and con-iguration changes, ?se this o# to doc%&ent yo%r actions and res%ts d%rin# the tro%beshootin# process! List the co&&ands yo% %sed to #ather infor&ation! "s yo% pro#ress, record yo%r tho%#hts as to *hat yo% thin( the probe& &i#ht be and *hich actions yo% ta(e to correct the probe&! Note" @o% &i#ht need to iss%e the ipcon-ig 3release and ipcon-ig 3rene+ co&&ands on )C' cients after the net*or( device probe&s are resoved! evice

*ctions and &esults


'a#e 12 of 13

CCNPv7 TSHOOT

evice


*ctions and &esults

$*o %sef% co&&ands for this tic(et are described beo*! n this tic(et the foc%s is on the unicast option! Co!!and

sho+ stor!#control Iinterfaceid J Ibroadcast 6 !ulticast 6 unicastJ

4ey 5n-or!ation isplayed )ispays stor& contro s%ppression eves set on the specified interface for the specified traffic type! nterfaces *i appear as "orwarding or Bloc#ing or $in# Down! )ispays the state of syso# error and event o##in#, and *hether

sho+ logging

consoe o##in# is enabed! t aso dispays M' confi#%ration para&eters!

Step " ocu!ent trouble ticket debrie- notes, ?se this space to &a(e notes of the (ey earnin# points that yo% pic(ed %p d%rin# the disc%ssion of this tro%be tic(et *ith yo%r instr%ctor! $he notes can inc%de probe&s enco%ntered, so%tions appied, and %sef% co&&ands e&poyed! t can aso inc%de a ternate so%tions, ðods, and proced%res and co&&%nication i&prove&ents!

_________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________


'a#e 13 of 13

CCNPv7 TSHOOT Lab4 2 Mixed Layer 2 3 Connectivity Student

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