8.3.2.7 Lab - Testing Network Connectivity With Ping and Traceroute

7/17/2019 8.3.2.7 Lab - Testing Network Connectivity With Ping and Traceroute

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Lab Testing Network Connectivity with Ping and Traceroute

Topology

Addressing Table

Device Interface IP Address ubnet !ask Default "ateway

LOCAL G0/1 192.168.1.1 255.255.255.0 N/A

S0/0/0 (DCE) 10.1.1.1 255.255.255.252 N/A

ISP S0/0/0 10.1.1.2 255.255.255.252 N/A

S0/0/1 (DCE) 10.2.2.2 255.255.255.252 N/A

REMOTE G0/1 192.168.3.1 255.255.255.0 N/A

S0/0/1 10.2.2.1 255.255.255.252 N/A

S1 VLAN 1 192.168.1.11 255.255.255.0 192.168.1.1

S3 VLAN 1 192.168.3.11 255.255.255.0 192.168.3.1

PC-A NIC 192.168.1.3 255.255.255.0 192.168.1.1

PC-C NIC 192.168.3.3 255.255.255.0 192.168.3.1

2013 Ci!" #$%/"& i' #ii#'*. A &i+,' &**&*%. T,i %"!*$' i Ci!" Pi!. P#+* #" #$


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%b&ectives

Part #' (uild and Configure the Network

C#* ',* $*'"&.

C"$i+&* ',* PC.

C"$i+&* ',* &"'*&.

C"$i+&* ',* i'!,*.

Part )' *se Ping Co++and for (asic Network Testing

* 4i$+ &" # PC.

* 4i$+ &" Ci!" %*i!*.

Part ,' *se Tracert and Traceroute Co++ands for (asic Network Testing

* '!*&' &" # PC.

* '!*&"'* &" Ci!" %*i!*.

Part -' Troubleshoot the Topology

(ackground . cenario

Pi$+ #$% '!*&"'* #&* '" '"" ',#' #&* i$%i4*$#* ,*$ '*'i$+ TCP/IP $*'"& !"$$*!'ii'. Pi$+ i #$*'"& #%i$i''i"$ 'ii' *% '" '*' ',* &*#!,#ii' " # %*i!* "$ #$ IP $*'"&. T,i 'ii' #"*#&* ',* &"$%-'&i4 'i* "& *#+* *$' &" ',* "&i+i$#'i$+ ,"' '" # %*'i$#'i"$ !"4'*&. T,* 4i$+'ii' i ##i#* "$ i$%"7 $i-i* "4*'i$+ '* (OS)7 #$% ',* Ci!" I$'*&$*'"& O4*'i$+S'* (IOS).

T,* '!*&"'* 'ii' i # $*'"& %i#+$"'i! '"" "& %i4#i$+ ',* &"'* #$% *#&i$+ ',* '$i' %*# "4#!*' '*i$+ #$ IP $*'"&. T,* '!*&' 'ii' i ##i#* "$ i$%"7 #$% # ii#& 'ii'7 '!*&"'*7 i##i#* "$ $i-i* OS #$% Ci!" IOS.

I$ ',i #7 ',* ping#$% traceroute!"#$% #&* *#i$*% #$% !"#$% "4'i"$ #&* *4"&*% '" "%i',* !"#$% *,#i"&. Ci!" %*i!* #$% PC #&* *% i$ ',i # "& !"#$% *4"'i"$. Ci!" &"'*&i * E$,#$!*% I$'*&i"& G#'*# R"'i$+ P&"'"!" (EIGRP) '" &"'* 4#!*' *'**$ $*'"&. T,*$*!*#& Ci!" %*i!* !"$i+'i"$ #&* 4&"i%*% i$ ',i #.

Note T,* &"'*& *% i', CCNA ,#$%-"$ # #&* Ci!" 19:1 I$'*+'*% S*&i!* R"'*& (ISR) i',Ci!" IOS R**#* 15.2(:)M3 ($i* i#+*). T,* i'!,* *% #&* Ci!" C#'#' 2960 i', Ci!"IOS R**#* 15.0(2) (#$#*9 i#+*). O',*& &"'*&7 i'!,* #$% Ci!" IOS *&i"$ !#$ * *%.D*4*$%i$+ "$ ',* "%* #$% Ci!" IOS *&i"$7 ',* !"#$% ##i#* #$% "'4' 4&"%!*% i+,' #&&" ,#' i ,"$ i$ ',* #. R**& '" ',* R"'*& I$'*!* S#& T#* #' ',* *$% " ',i # "& ',*!"&&*!' i$'*!* i%*$'ii*&.

Note M#* &* ',#' ',* &"'*& #$% i'!,* ,#* **$ **% #$% ,#* $" '#&'4 !"$i+'i"$. I "#&* $&*7 !"$'#!' "& i$'&!'"&.

/e0uired /esources

3 R"'*& (Ci!" 19:1 i', Ci!" IOS R**#* 15.2(:)M3 $i* i#+* "& !"4#*)

2 Si'!,* (Ci!" 2960 i', Ci!" IOS R**#* 15.0(2) #$#*9 i#+* "& !"4#*)

2 PC (i$%" ;7 Vi'#7 "&


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tep #'(uild and Configure the Network

I$ P#&' 17 " i *' 4 ',* $*'"& i$ ',* '"4""+ #$% !"$i+&* ',* PC #$% Ci!" %*i!*. T,* i$i'i#!"$i+'i"$ "& ',* &"'*& #$% i'!,* #&* 4&"i%*% "& "& &**&*$!*. I$ ',i '"4""+7 EIGRP i *% '"&"'* 4#!*' *'**$ $*'"&.

a1 Cable the network as shown in the topology1

b1 2rase the configurations on the routers and switches3 and reload the devices1

c1 Configure PC IP addresses and default gateways according to the Addressing Table1

d1 Configure the L%CAL3 IP3 and /2!%T2 routers using the initial configurations provided

below1

A' ',* i'!, "& &"'*& +"# !"$i+ "%* 4&"4'7 !"4 #$% 4#'* ',* !"$i+'i"$ "& *#!, %*i!*. S#* ',*!"$i+'i"$ '" '#&'4-!"$i+.

Initial configurations for the L%CAL router'

hostname LOCALno ip domain-lookup

interface s0/0/0

ip address 10.1.1.1 255.255.255.252

clock rate 56000

no shutdown

interface 0/1

ip add 1!2.16".1.1 255.255.255.0

no shutdown

router eirp 1

network 10.1.1.0 0.0.0.#

network 1!2.16".1.0 0.0.0.255

no auto-summar$

Initial configurations for IP'

hostname %&'

no ip domain-lookup

interface s0/0/0

ip address 10.1.1.2 255.255.255.252

no shutdown

interface s0/0/1

ip add 10.2.2.2 255.255.255.252

clock rate 56000

no shutdown

router eirp 1

network 10.1.1.0 0.0.0.#

network 10.2.2.0 0.0.0.#

no auto-summar$

end

2013 Ci!" #$%/"& i' #ii#'*. A &i+,' &**&*%. T,i %"!*$' i Ci!" Pi!. P#+* ," #$


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Initial configurations for /2!%T2'

hostname ()*O+)

no ip domain-lookup

interface s0/0/1

ip address 10.2.2.1 255.255.255.252

no shutdowninterface 0/1

ip add 1!2.16".#.1 255.255.255.0

no shutdown

router eirp 1

network 10.2.2.0 0.0.0.#

network 1!2.16".#.0 0.0.0.255

no auto-summar$

end

e1 Configure the # and , switches with the initial configurations1

Initial configurations for #'

hostname &1

no ip domain-lookup

interface ,lan 1

ip add 1!2.16".1.11 255.255.255.0

no shutdown

eit

ip default-atewa$ 1!2.16".1.1

end

Initial configurations for ,'

hostname

no ip domain-lookup

interface ,lan 1

ip add 1!2.16".#.11 255.255.255.0

no shutdown

eit

ip default-atewa$ 1!2.16".#.1

end

f1 Configure an IP host table on the L%CAL router1

T,* IP ,"' '#* #" " '" * # ,"'$#* '" !"$$*!' '" # &*"'* %*i!* ',*& ',#$ #$ IP #%%&*. T,*,"' '#* 4&"i%* $#* &*"'i"$ "& ',* %*i!* i', ',* ""i$+ !"$i+'i"$. C"4 #$% 4#'* ',*""i$+ !"$i+'i"$ "& ',* LOCAL &"'*&. T,* !"$i+'i"$ i #" " '" * ',* ,"'$#* "& ping#$% traceroute!"#$% "$ ',* LOCAL &"'*&.

ip host ()*O+) 10.2.2.1 1!2.16".#.1

ip host %&' 10.1.1.2 10.2.2.2

ip host LOCAL 1!2.16".1.1 10.1.1.1

ip host 'C-C 1!2.16".#.#

2013 Ci!" #$%/"& i' #ii#'*. A &i+,' &**&*%. T,i %"!*$' i Ci!" Pi!. P#+* -" #$


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ip host 'C-A 1!2.16".1.#

ip host &1 1!2.16".1.11

ip host 1!2.16".#.11

end

tep )'*se Ping Co++and for (asic Network TestingI$ P#&' 2 " ',i #7 * ',* ping!"#$% '" *&i *$%-'"-*$% !"$$*!'ii'. Pi$+ "4*'* *$%i$+I$'*&$*' C"$'&" M*#+* P&"'"!" (ICMP) *!," &*=*' 4#!*' '" ',* '#&+*' ,"' #$% ',*$ #i'i$+ "& #$ICMP &*4"$*. I' !#$ &*!"&% ',* &"$% '&i4 'i* #$% #$ 4#!*' ".

>" i *#i$* ',* &*' i', ',* ping!"#$% #$% ',* #%%i'i"$# 4i$+ "4'i"$ ',#' #&* ##i#* "$i$%"-#*% PC #$% Ci!" %*i!*.

a1 Test network connectivity fro+ the L%CAL network using PC4A1

A ',* 4i$+ &" PC-A '" "',*& %*i!* i$ ',* '"4""+ ,"% * !!*. I ',* #&* $"'7 !,*! ',*'"4""+ #$% ',* !#i$+7 # * # ',* !"$i+'i"$ " ',* Ci!" %*i!* #$% ',* PC.

#. Pi$+ &" PC-A '" i' %*#' +#'*# (LOCAL? Gi+#i'E',*&$*' 0/1 i$'*!*).

Csersser1ping 192.168.1.1

'inin 1!2.16".1.1 with #2 $tes of data

(epl$ from 1!2.16".1.1 $tes3#2 time41ms ++L3255




'in statistics for 1!2.16".1.1

'ackets &ent 3 (ecei,ed 3 Lost 3 0 708 loss9

Approimate round trip times in milli-seconds

*inimum 3 0ms *aimum 3 0ms A,erae 3 0ms

I$ ',i *#4*7 "& (:) ICMP &*=*'7 32 '* *#!,7 *&* *$' #$% ',* &*4"$* *&* &*!*i*% i$* ',#$ "$* ii*!"$% i', $" 4#!*' ". T,* '$ii"$ #$% &*4 'i* i$!&*#* # ',* ICMP&*=*' #$% &*4"$* #&* 4&"!**% "&* %*i!* %&i$+ ',* @"&$* '" #$% &" ',* i$#%*'i$#'i"$.

. &" PC-A7 4i$+ ',* #%%&** i'*% i$ ',* ""i$+ '#* #$% &*!"&% ',* #*+* &"$% '&i4 'i* #$%Ti* '" Li* (TTL).

2013 Ci!" #$%/"& i' #ii#'*. A &i+,' &**&*%. T,i %"!*$' i Ci!" Pi!. P#+* $" #$


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Destination Average /ound Trip Ti+e 5+s6 TTL

192.168.1.1 (LOCAL)

192.168.1.11 (S1)

10.1.1.1 (LOCAL)

10.1.1.2 (ISP)

10.2.2.2 (ISP)

10.2.2.1 (REMOTE)

192.168.3.1 (REMOTE)

192.168.3.11 (S3)

192.168.3.3 (PC-C)

N"'i!* ',* #*+* &"$% '&i4 'i* '" 192.168.3.3 (PC-C). T,* 'i* i$!&*#*% *!#* ',* ICMP &*=*'*&* 4&"!**% ',&** &"'*& *"&* PC-A &*!*i*% ',* &*4 &" PC-C.


'inin 1!2.16".#.# with #2 $tes of data

(epl$ from 1!2.16".#.# $tes3#2 time31ms ++L3125




'in statistics for 1!2.16".#.#




b1 *se e7tended ping co++ands on a PC1

T,* %*#' ping!"#$% *$% "& &*=*' #' 32 '* *#!,. I' #i' :7000 ii*!"$% (: *!"$%) "&*#!, &*4"$* '" * &*'&$*% *"&* %i4#i$+ ',* BR*=*' 'i*% "' *#+*. T,* ping!"#$% !#$ *i$* '$*% "& '&"*,""'i$+ # $*'"&.

#. A' ',* !"#$% 4&"4'7 '4* ping#$% 4&* E$'*&.

Csersser1ping

sae pin :-t; :-a; :-n count; :-l si :-k host-list;;

:-w timeout; :-(; :-& srcaddr; :-; :-6; taret?name

Options -t 'in the specified host until stopped.

+o see statistics and continue - t$pe Control-@reak

+o stop - t$pe Control-C.

-a (esol,e addresses to hostnames.

-n count Bumer of echo reuests to send.

-l si


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-i ++L +ime +o Li,e.

-, +O& +$pe Of &er,ice 7%',-onl$. +his settin has een deprecated

and has no effect on the t$pe of ser,ice field in the %' Geader9.

-r count (ecord route for count hops 7%',-onl$9.

-s count +imestamp for count hops 7%',-onl$9.

-= host-list Loose source route alon host-list 7%',-onl$9.

-k host-list &trict source route alon host-list 7%',-onl$9.

-w timeout +imeout in milliseconds to wait for each repl$.

-( se routin header to test re,erse route also 7%',6-onl$9.

-& srcaddr &ource address to use.

- Force usin %',.

-6 Force usin %',6.

. i$+ ',*t"4'i"$7 4i$+ PC-C '" *&i ',#' PC-C i &*#!,#*.

Csersser1ping t 192.168.3.3



T" i''* ',* &*' ,*$ # ,"' i $&*#!,#*7 %i!"$$*!' ',* !#* *'**$ ',* REMOTE &"'*$% ',* S3 i'!,7 "& ,' %"$ ',* Gi+#i'E',*&$*' 0/1 i$'*!* "$ ',* REMOTE &"'*&.


(epl$ from 1!2.16".1.# Destination host unreachale.

(epl$ from 1!2.16".1.# Destination host unreachale.

,i* ',* $*'"& i $!'i"$i$+ !"&&*!'7 ',* ping!"#$% !#$ %*'*&i$* ,*',*& ',* %*'i$#'i"$&*4"$%*% #$% ," "$+ i' '"" '" &*!*i* # &*4 &" ',* %*'i$#'i"$. I # $*'"& !"$$*!'ii' 4&"**i'7 ',* ping!"#$% %i4# #$ *&&"& *#+*.

!. R*!"$$*!' ',* E',*&$*' !#* "& *$#* ',* Gi+#i'E',*&$*' i$'*!* "$ ',* REMOTE &"'*& (i$+ ',*no shutdown!"#$%) *"&* "i$+ "$'" ',* $*' '*4. A'*& #"' 30 *!"$%7 ',* 4i$+ ,"% *!!* #+#i$.

(euest timed out.

(euest timed out.

(euest timed out.

(euest timed out.



%. P&* CtrlC'" '"4 ',* 4i$+ !"#$%.

c1 Test network connectivity fro+ the L%CAL network using Cisco devices1

T,* ping!"#$% i #" ##i#* "$ Ci!" %*i!*. I$ ',i '*47 ',* ping!"#$% i *#i$*% i$+ ',*LOCAL &"'*& #$% ',* S1 i'!,.

#. Pi$+ PC-C "$ ',* REMOTE $*'"& i$+ ',* IP #%%&* " 192.168.3.3 &" ',* LOCAL &"'*&.LOCALHping 192.168.3.3

+$pe escape seuence to aort.

&endin 5 100-$te %C*' )chos to 1!2.16".#.# timeout is 2 seconds

IIIII

&uccess rate is 100 percent 75/59 round-trip min/a,/ma 3 60/6/6" ms

T,* *!##'i"$ 4"i$' () i$%i!#'* ',#' ',* 4i$+ # !!* &" ',* LOCAL &"'*& '" PC-C. T,*&"$% '&i4 '#* #$ #*+* " 6: i', $" 4#!*' "7 # i$%i!#'*% # 100F !!* '*.

2013 Ci!" #$%/"& i' #ii#'*. A &i+,' &**&*%. T,i %"!*$' i Ci!" Pi!. P#+* 9" #$


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. *!#* # "!# ,"' '#* # !"$i+&*% "$ ',* LOCAL &"'*&7 " !#$ 4i$+ PC-C "$ ',* REMOTE$*'"& i$+ ',* ,"'$#* !"$i+&*% &" ',* LOCAL &"'*&.

LOCALHping PC-C


&endin 5 100-$te %C*' )chos to 1!2.16".#.# timeout is 2 seconds

IIIII

&uccess rate is 100 percent 75/59 round-trip min/a,/ma 3 60/6#/6 ms

!. T,*&* #&* "&* "4'i"$ ##i#* "& ',* ping!"#$%. A' ',* CLI7 '4* ping#$% 4&* E$'*&. I$4'#:)1#8;1,1,"& PC4C"& ',* T#&+*' IP #%%&*. P&* E$'*& '" #!!*4' ',* %*#' #* "& "',*& "4'i"$.

LOCALHping

'rotocol :ip;

+aret %' address PC-C

(epeat count :5;

Dataram si


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T,* *''*& i$ ',* &*' i$%i!#'* ',#' # %*'i$#'i"$ i $&*#!,#*. A$ *&&"& 4&"'"!" %#'# $i' (PD)# &*!*i*% ',* LOCAL &"'*&. E#!, 4*&i"% (.) i$ ',* "'4' i$%i!#'* ',#' ',* 4i$+ 'i*% "' ,i*#i'i$+ "& # &*4 &" PC-C. I$ ',i *#4*7 5F " ',* 4#!*' *&* "' %&i$+ ',* i#'*% $*'"&"'#+*.

Note >" !#$ #" * ',* ""i$+ !"#$% "& ',* #* &*'

LOCALHping 192.168.3.3 repeat 500

"&

LOCALHping PC-C repeat 500

*. >" !#$ #" '*' $*'"& !"$$*!'ii' i', # i'!,. I$ ',i *#4*7 ',* S1 i'!, 4i$+ ',* S3 i'!,"$ ',* REMOTE $*'"&.

&1Hping 192.168.3.11


&endin 5 100-$te %C*' )chos to 1!2.16".#.11 timeout is 2 seconds

IIIII

&uccess rate is 100 percent 75/59 round-trip min/a,/ma 3 6J/6J/6" ms

T,* ping!"#$% i *'&** * ,*$ '&"*,""'i$+ $*'"& !"$$*!'ii'. H"**&7 4i$+ !#$$"'i$%i!#'* ',* "!#'i"$ " 4&"* ,*$ # 4i$+ i $"' !!*. T,* tracert("& traceroute) !"#$% !#$%i4# $*'"& #'*$! #$% 4#', i$"'i"$.

tep ,'*se Tracert and Traceroute Co++ands for (asic Network Testing

T,* !"#$% "& '!i$+ &"'* !#$ * "$% "$ PC #$% $*'"& %*i!*. "& # i$%"-#*% PC7 ',*tracert !"#$% * ICMP *#+* '" '!* ',* 4#', '" ',* i$# %*'i$#'i"$. T,* traceroute!"#$%'ii* ',* *& D#'#+ P&"'"!" (DP) %#'#+ "& '!i$+ &"'* '" ',* i$# %*'i$#'i"$ "& Ci!"%*i!* #$% "',*& $i-i* PC.

I$ P#&' 37 " i *#i$* ',* '!*&"'* !"#$% #$% %*'*&i$* ',* 4#', ',#' # 4#!*' '* '" i' i$#%*'i$#'i"$. >" i * ',* tracert!"#$% &" ',* i$%" PC #$% ',* traceroute!"#$% &" ',*Ci!" %*i!*. >" i #" *#i$* ',* "4'i"$ ',#' #&* ##i#* "& i$* '$i$+ ',* '!*&"'* &*'.

a1 *se the tracert co++and fro+ PC4A to PC4C1

#. A' ',* !"#$% 4&"4'7 '4* tracert #:)1#8;1,1,.

Csersser1 tracert 192.168.3.3

+racin route to 'C-C :1!2.16".#.#;

O,er a maimum of #0 hops

1 41 ms 41 ms 41 ms 1!2.16".1.1

2 2 ms 2 ms 2 ms 10.1.1.2

# " ms " ms " ms 10.2.2.1

5! ms 5! ms 5! ms 'C-C :1!2.16".#.#;

+race complete.

T,* '!*&' &*' i$%i!#'* ',* 4#', &" PC-A '" PC-C i &" PC-A '" LOCAL '" ISP '" REMOTE '"PC-C. T,* 4#', '" PC-C '**% ',&"+, ',&** &"'*& ,"4 '" ',* i$# %*'i$#'i"$ " PC-C.

b1 27plore additional options for the tracert co++and1

#. A' ',* !"#$% 4&"4'7 '4* tracert#$% 4&* E$'*&.

Csersser1 tracert

2013 Ci!" #$%/"& i' #ii#'*. A &i+,' &**&*%. T,i %"!*$' i Ci!" Pi!. P#+* :" #$


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sae tracert :-d; :-h maimum?hops; :-= host-list; :-w timeout;

:-(; :-& srcaddr; :-; :-6; taret?name

Options

-d Do not resol,e addresses to hostnames.

-h maimum?hops *aimum numer of hops to search for taret.

-= host-list Loose source route alon host-list 7%',-onl$9.

-w timeout Kait timeout milliseconds for each repl$.

-( +race round-trip path 7%',6-onl$9.

-& srcaddr &ource address to use 7%',6-onl$9.

- Force usin %',.

-6 Force usin %',6.

. * ',* 4d"4'i"$. N"'i!* ',#' ',* IP #%%&* " 192.168.3.3 i $"' &*"*% # PC-C.

Csersser1 tracert d 192.168.3.3

+racin route to 1!2.16".#.# o,er a maimum of #0 hops

1 41 ms 41 ms 41 ms 1!2.16".1.1

2 2 ms 2 ms 2 ms 10.1.1.2

# " ms " ms " ms 10.2.2.1

5! ms 5! ms 5! ms 1!2.16".#.#

+race complete.

c1 *se the traceroute co++and fro+ the L%CAL router to PC4C1

#. A' ',* !"#$% 4&"4'7 '4* traceroute #:)1#8;1,1,"& traceroute PC4C"$ ',* LOCAL &"'*&. T,*,"'$#* #&* &*"*% *!#* # "!# IP ,"' '#* # !"$i+&*% "$ ',* LOCAL &"'*&.

LOCALH traceroute 192.168.3.3


+racin the route to 'C-C 71!2.16".#.#9

(F info 7,rf in name/id ,rf out name/id9

1 %&' 710.1.1.29 16 msec 16 msec 16 msec

2 ()*O+) 710.2.2.19 2" msec #2 msec 2" msec

# 'C-C 71!2.16".#.#9 #2 msec 2" msec #2 msec

LOCALH traceroute PC-C


+racin the route to 'C-C 71!2.16".#.#9


1 %&' 710.1.1.29 16 msec 16 msec 16 msec 2 ()*O+) 710.2.2.19 2" msec #2 msec 2" msec

# 'C-C 71!2.16".#.#9 #2 msec #2 msec 2" msec

d1 *se the traceroute co++and fro+ the # switch to PC4C1

#. O$ ',* S1 i'!,7 '4* traceroute #:)1#8;1,1,. T,* ,"'$#* #&* $"' %i4#*% i$ ',* '!*&"'* &*'*!#* # "!# IP ,"' '#* # $"' !"$i+&*% "$ ',i i'!,.

&1H traceroute 192.168.3.3

2013 Ci!" #$%/"& i' #ii#'*. A &i+,' &**&*%. T,i %"!*$' i Ci!" Pi!. P#+* #


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+racin the route to 1!2.16".#.#


1 1!2.16".1.1 100J msec 0 msec 0 msec

2 10.1.1.2 1J msec 1J msec 16 msec

# 10.2.2.1 # msec ## msec 26 msec

1!2.16".#.# ## msec # msec ## msec

T,* traceroute!"#$% ,# #%%i'i"$# "4'i"$. >" !#$ * ',* ="& @' 4&* E$'*& #'*& '4i$+traceroute#' ',* 4&"4' '" *4"&* ',** "4'i"$.

T,* ""i$+ i$ 4&"i%* "&* i$"'i"$ &*+#&%i$+ ',* ping#$% traceroute!"#$% "& # Ci!"%*i!*

,''4//.!i!".!"/*$/S/4&"%!'//i"&*/41831/4&"%!'J'*!,J$"'*09186#00800#605;.,'

tep -'Troubleshoot the Topology

a1 2rase the configurations on the /2!%T2 router1

b1 /eload the /2!%T2 router1

c1 Copy and paste the following configuration into the /2!%T2 router1

hostname ()*O+)

no ip domain-lookup

interface s0/0/1

ip address 10.2.2.1 255.255.255.252

no shutdown

interface 0/1

ip add 1!2.16".".1 255.255.255.0

no shutdownrouter eirp 1

network 10.2.2.0 0.0.0.#

network 1!2.16".#.0 0.0.0.255

no auto-summar$

end

d1 >ro+ the L%CAL network3 use ping and tracert or traceroute co++ands to troubleshoot

and correct the proble+ on the /2!%T2 network1

#. * ',* ping#$% tracert!"#$% &" PC-A.

>" !#$ * ',* tracert!"#$% '" %*'*&i$* *$%-'"-*$% $*'"& !"$$*!'ii'. T,i '!*&' &*'i$%i!#'* ',#' PC-A !#$ &*#!, i' %*#' +#'*# " 192.168.1.17 ' PC-A %"* $"' ,#* $*'"&!"$$*!'ii' i', PC-C.


+racin route to 1!2.16".#.# o,er a maimum of #0 hops

1 41 ms 41 ms 41 ms 1!2.16".1.1

2 1!2.16".1.1 reports Destination host unreachale.

2013 Ci!" #$%/"& i' #ii#'*. A &i+,' &**&*%. T,i %"!*$' i Ci!" Pi!. P#+* ##" #$
http://www.cisco.com/en/US/products/sw/iosswrel/ps1831/products_tech_note09186a00800a6057.shtmlhttp://www.cisco.com/en/US/products/sw/iosswrel/ps1831/products_tech_note09186a00800a6057.shtml


12/15


+race complete.

O$* # '" "!#'* ',* $*'"& i* i '" 4i$+ *#!, ,"4 i$ ',* $*'"& '" PC-C. i&' %*'*&i$* i PC-A!#$ &*#!, ',* ISP &"'*& S*&i# 0/0/1 i$'*!* i', #$ IP #%%&* " 10.2.2.2.

Cserstraser1ping 10.2.2.2

'inin 10.2.2.2 with #2 $tes of data(epl$ from 10.2.2.2 $tes3#2 time31ms ++L325

(epl$ from 10.2.2.2 $tes3#2 time31ms ++L325



'in statistics for 10.2.2.2




T,* 4i$+ # !!* '" ',* ISP &"'*&. T,* $*' ,"4 i$ ',* $*'"& i ',* REMOTE &"'*&. Pi$+ ',*REMOTE &"'*& S*&i# 0/0/1 i$'*!* i', #$ IP #%%&* " 10.2.2.1.


'inin 10.2.2.1 with #2 $tes of data

(epl$ from 10.2.2.1 $tes3#2 time31ms ++L325#




'in statistics for 10.2.2.1




PC-A !#$ &*#!, ',* REMOTE &"'*&. #*% "$ ',* !!* 4i$+ &*' &" PC-A '" ',* REMOTE&"'*&7 ',* $*'"& !"$$*!'ii' i* i i', 192.168.3.0/2: $*'"&. Pi$+ ',* %*#' +#'*# '" PC-C7,i!, i ',* Gi+#i'E',*&$*' 0/1 i$'*!* " ',* REMOTE &"'*&.


'inin 1!2.16".#.1 with #2 $tes of data

(epl$ from 1!2.16".1.1 Destination host unreachale.




'in statistics for 1!2.16".#.1


PC-A !#$$"' &*#!, ',* Gi+#i'E',*&$*' 0/1 i$'*!* " ',* REMOTE &"'*&7 # %i4#*% ',* &*'&" ',* ping!"#$%.

T,* S3 i'!, !#$ #" * 4i$+*% &" PC-A '" *&i ',* "!#'i"$ " ',* $*'"&i$+ !"$$*!'ii' i* '4i$+ ping #:)1#8;1,1###' ',* !"#$% 4&"4'. *!#* PC-A !#$$"' &*#!, Gi+#i'E',*&$*' 0/1 " ',*REMOTE &"'*&7 PC-A 4&"# !#$$"' 4i$+ ',* S3 i'!, !!*7 # i$%i!#'*% ',* &*' *".

2013 Ci!" #$%/"& i' #ii#'*. A &i+,' &**&*%. T,i %"!*$' i Ci!" Pi!. P#+* #)" #$


13/15



'inin 1!2.16".#.11 with #2 $tes of data





'in statistics for 1!2.16".#.11


T,* '!*&' #$% 4i$+ &*' !"$!%* ',#' PC-A !#$ &*#!, ',* LOCAL7 ISP7 #$% REMOTE &"'*&7 ' $"'PC-C "& ',* S3 i'!,7 $"& ',* %*#' +#'*# "& PC-C.

. * ',* show!"#$% '" *#i$* ',* &$$i$+ !"$i+'i"$ "& ',* ',* REMOTE &"'*&.

()*O+)H show ip interface brief

%nterface %'-Address OMN *ethod &tatus 'rotocol

)medded-&er,ice-)nine0/0 unassined )& unset administrati,el$ down down

Piait)thernet0/0 unassined )& unset administrati,el$ down down

Piait)thernet0/1 1!2.16".".1 )& manual up up

&erial0/0/0 unassined )& unset administrati,el$ down down

&erial0/0/1 10.2.2.1 )& manual up up

()*O+)H show run

4output omitted

interface Piait)thernet0/0

no ip address

shutdown

duple auto

speed auto

I

interface Piait)thernet0/1

ip address 1!2.16".".1 255.255.255.0

duple auto

speed auto

I

interface &erial0/0/0

no ip address

shutdown

clock rate 2000000

I

interface &erial0/0/1

ip address 10.2.2.1 255.255.255.252

4output omitted

T,* "'4' " ',* show run#$% show ip interface brief!"#$% i$%i!#'* ',#' ',* Gi+#i'E',*&$*'0/1 i$'*!* i 4/47 ' # !"$i+&*% i', #$ i$!"&&*!' IP #%%&*.

!. C"&&*!' ',* IP #%%&* "& Gi+#i'E',*&$*' 0/1.

()*O+)H configure terina!

)nter confiuration commands one per line. )nd with CB+L/Q.

2013 Ci!" #$%/"& i' #ii#'*. A &i+,' &**&*%. T,i %"!*$' i Ci!" Pi!. P#+* #," #$


14/15


()*O+)7confi9H interface "igabit#thernet 0$1

()*O+)7confi-if9H ip address 192.168.3.1 255.255.255.0

%. V*&i ',#' PC-A !#$ 4i$+ #$% '!*&' '" PC-C.


'inin 1!2.16".#.# with #2 $tes of data

(epl$ from 1!2.16".#.# $tes3#2 time3ms ++L3125(epl$ from 1!2.16".#.# $tes3#2 time31ms ++L3125



'in statistics for 1!2.16".#.#



*inimum 3 0ms *aimum 3 ms A,erae 3 1ms


+racin route to 'C-C :1!2.16".#.#;

O,er a maimum of #0 hops

1 41 ms 41 ms 41 ms 1!2.16".1.1

2 2 ms 2 ms 2 ms 10.1.1.2

# " ms " ms " ms 10.2.2.1

5! ms 5! ms 5! ms 'C-C :1!2.16".#.#;

+race complete.

Note T,i !#$ #" * #!!"4i,*% i$+ ping#$% traceroute!"#$% &" ',* CLI "$ ',* ',*LOCAL &"'*& #$% ',* S1 i'!, #'*& *&ii$+ ',#' ',*&* #&* $" $*'"& !"$$*!'ii' i* "$ ',*

192.168.1.0/2: $*'"&.

/eflection

1. ,#' !"% 4&**$' 4i$+ "& '!*&"'* &*4"$* &" &*#!,i$+ ',* "&i+i$#'i$+ %*i!* *i%* $*'"&!"$$*!'ii' i*K

JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ


2. I " 4i$+ # $"$-*i'*$' #%%&* "$ ',* &*"'* $*'"&7 !, # 192.168.3.:7 ,#' i ',* *#+*%i4#*% ',* ping!"#$%K ,#' %"* ',i *#$K I " 4i$+ # #i% ,"' #%%&* #$% &*!*i* ',i&*4"$*7 ,#' ,"% " !,*!K

JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ

3. I " 4i$+ #$ #%%&* ',#' %"* $"' *i' i$ #$ $*'"& i$ "& '"4""+7 !, # 192.168.5.37 &" #i$%"-#*% PC7 ,#' i ',* *#+* %i4#*% ',* ping!"#$%K ,#' %"* ',i *#+*i$%i!#'*K



2013 Ci!" #$%/"& i' #ii#'*. A &i+,' &**&*%. T,i %"!*$' i Ci!" Pi!. P#+* #-" #$


15/15


/outer Interface u++ary Table

/outer Interface u++ary

/outer !odel 2thernet Interface ?# 2thernet Interface ?) erial Interface ?# erial Interface ?)

1800 #' E',*&$*' 0/0(0/0)

#' E',*&$*' 0/1(0/1)

S*&i# 0/0/0 (S0/0/0) S*&i# 0/0/1 (S0/0/1)

1900 Gi+#i' E',*&$*' 0/0(G0/0)

Gi+#i' E',*&$*' 0/1(G0/1)

S*&i# 0/0/0 (S0/0/0) S*&i# 0/0/1 (S0/0/1)

2801 #' E',*&$*' 0/0(0/0)

#' E',*&$*' 0/1(0/1)

S*&i# 0/1/0 (S0/1/0) S*&i# 0/1/1 (S0/1/1)

2811 #' E',*&$*' 0/0(0/0)

#' E',*&$*' 0/1(0/1)

S*&i# 0/0/0 (S0/0/0) S*&i# 0/0/1 (S0/0/1)

2900 Gi+#i' E',*&$*' 0/0(G0/0)

Gi+#i' E',*&$*' 0/1(G0/1)

S*&i# 0/0/0 (S0/0/0) S*&i# 0/0/1 (S0/0/1)

Note T" i$% "' ," ',* &"'*& i !"$i+&*%7 "" #' ',* i$'*!* '" i%*$'i ',* '4* " &"'*& #$% ," #$i$'*!* ',* &"'*& ,#. T,*&* i $" # '" **!'i* i' # ',* !"i$#'i"$ " !"$i+'i"$ "& *#!, &"'*&!#. T,i '#* i$!%* i%*$'ii*& "& ',* 4"i* !"i$#'i"$ " E',*&$*' #$% S*&i# i$'*!* i$ ',* %*i!*.T,* '#* %"* $"' i$!%* #$ "',*& '4* " i$'*!*7 **$ ',"+, # 4*!ii! &"'*& # !"$'#i$ "$*. A$*#4* " ',i i+,' * #$ ISDN RI i$'*!*. T,* '&i$+ i$ 4#&*$',*i i ',* *+# #&*i#'i"$ ',#' !#$ **% i$ Ci!" IOS !"#$% '" &*4&**$' ',* i$'*!*.

2013 Ci!" #$%/"& i' #ii#'*. A &i+,' &**&*%. T,i %"!*$' i Ci!" Pi!. P#+* #$" #$

Documents

8.3.2.7 Lab - Testing Network Connectivity With Ping and Traceroute