Packet Tracer – Configuring Trunks Topology
Addressing Table Table Device
Interfac e
Switch Port
PC1
NIC
172.17.10.21
255.255.255.0
S2 F0 F0/11
10
PC2
NIC
172.17.20.22
255.255.255.0
S2 F0 F0/18
20
PC3
NIC
172.17.30.23
255.255.255.0
S2 F0/6
30
PC4
NIC
172.17.10.24
255.255.255.0
S3 F0 F0/11
10
PC5
NIC
172.17.20.25
255.255.255.0
S3 F0 F0/18
20
PC6
NIC
172.17.30.26
255.255.255.0
S3 F0/6
30
IP Address
Subnet Mask
!A"
#b$ectives Part %& erify !A"s Part '& Configure Trunks
(ackground Trunks are required to ass !"#N in$or%ation &et'een s'it()es. # ort ort on a s'it() is eit)er an a((ess ort or a trunk ort. #((ess orts (arr* tra$$i( $ro% a se(i$i( !"#N assi+ned to t)e ort. # trunk trunk ort &* de$au,t is a %e%&er o$ a,, !"#Ns- t)ere$ore it (arries tra$$i( $or a,, !"#Ns. T)is a(tiit* $o(uses on (reatin+ trunk orts and assi+nin+ t)e% to a natie !"#N ot)er t)an t)e de$au,t.
2013 Cis(o and/or its a$$i,iates. #,, ri+)ts resered. T)is do(u%ent is Cis(o Pu&,i(.
Pa+e % o$ )
Packet Tracer – Configuring Trunks
Part %& erify !A"s Step %& Display the current !A"s* a.
n S% issue t)e (o%%and t)at 'i,, dis,a* a,, !"#Ns (on$i+ured. T)ere s)ou,d &e ten !"#Ns in tota,. Noti(e )o' a,, 26 orts on t)e s'it() are assi+ned to one ort or anot)er.
&.
n S' and S) dis,a* and eri$* a,, t)e !"#Ns are (on$i+ured and assi+ned to t)e (orre(t s'it() orts a((ordin+ to t)e Addressing Table.
Step '& erify loss of connectivity between PCs on the sa+e network* #,t)ou+) PC% and PC, are on t)e sa%e net'ork t)e* (annot in+ one anot)er. T)is is &e(ause t)e orts (onne(tin+ t)e s'it()es are assi+ned to !"#N 1 &* de$au,t. In order to roide (onne(tiit* &et'een t)e PCs on t)e sa%e net'ork and !"#N trunks %ust &e (on$i+ured.
Part '& Configure Trunks Step %& Configure trunking on S% and use !A" -- as the native !A"* a. Con$i+ure 0/1 and 0/2 inter$a(es on S1 $or trunkin+. &. Con$i+ure !"#N as t)e natie !"#N $or 0/1 and 0/2 inter$a(es on S%. T)e trunk ort takes a&out a %inute to &e(o%e a(tie due to Sannin+ Tree ')i() *ou 'i,, ,earn in t)e ro(eedin+ ()aters. C,i(k .ast .orward Ti+e to seed t)e ro(ess. #$ter t)e orts &e(o%e a(tie *ou 'i,, eriodi(a,,* re(eie t)e $o,,o'in+ s*s,o+ %essa+es %CDP-4-NATIVE_VLAN_MISMATCH: Native VLAN mismatch discovered o !i"a#itEtheret$& '(()* +ith S, !i"a#itEtheret$& '$) %CDP-4-NATIVE_VLAN_MISMATCH: Native VLAN mismatch discovered o !i"a#itEtheret$$ '(()* +ith S& !i"a#itEtheret$$ '$)
ou (on$i+ured !"#N as t)e natie !"#N on S1. o'eer t)e S2 and S3 are usin+ !"#N 1 as t)e de$au,t natie !"#N as indi(ated &* t)e s*s,o+ %essa+e. #,t)ou+) *ou )ae a natie !"#N %is%at() in+s &et'een PCs on t)e sa%e !"#N are no' su((ess$u,. )* 999999999999999999999999999999999999999999999999999999999999999999999999999999999999 999999999999999999999999999999999999999999999999999999999999999999999999999999999999 999999999999999999999999999999999999999999999999999999999999999999999999999999999999 !eri$* trunkin+ is ena&,ed o n S2 and S3. n S' and S) issue t)e show interface trunk (o%%and to (on$ir% t)at :TP )as su((ess$u,,* ne+otiated trunkin+ 'it) S1 on S2 and S3. T)e outut a,so dis,a*s in$or%ation a&out t)e trunk inter$a(es on S2 and S3. )i() a(tie !"#Ns are a,,o'ed to a(ross t)e trunk 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
Step '& Correct the native !A" +is+atch on S' and S)* a. Con$i+ure !"#N as t)e natie !"#N $or t)e aroriate inter$a(es on S2 and S3. &.
Issue show interface trunk (o%%and to eri$* t)e (orre(t natie !"#N (on$i+uration.
Step )& erify configurations on S' and S)* a.
Issue t)e show interface
interface switchport (o%%and
to eri$* t)at t)e natie !"#N is no' .
2013 Cis(o and/or its a$$i,iates. #,, ri+)ts resered. T)is do(u%ent is Cis(o Pu&,i(.
Pa+e ' o$ )
Packet Tracer – Configuring Trunks &.
;se t)e show vlan (o%%and to dis,a* in$or%ation re+ardin+ (on$i+ured !"#Ns. )* is ort 0/1 on S2 no ,on+er assi+ned to !"#N 1 999999999999999999999999999999999999999999999999999999999999999999999999999999999999
Step ,& erify configurations on S' and S)* a.
Issue t)e show interface
interface switchport (o%%and
to eri$* t)at t)e natie !"#N is no' .
&.
;se t)e show vlan (o%%and to dis,a* in$or%ation re+ardin+ (on$i+ured !"#Ns. )* is ort 0/1 on S2 no ,on+er assi+ned to !"#N 1
Suggested Scoring /ubric Pa(ket Tra(er s(ores 80 oints. T)e t)ree questions in Ste 1 2 and 3 are 'ort) 20 oints.
2013 Cis(o and/or its a$$i,iates. #,, ri+)ts resered. T)is do(u%ent is Cis(o Pu&,i(.
Pa+e ) o$ )
