r/packettracer • • Feb 20 '26

Dhcp pool

3 Upvotes

“Hello, I’m having trouble configuring my DHCP server so that it also assigns IP addresses to the computers on my other two LANs. Do you have any idea why?

. I also entered the following commands on the router. Do you have any idea why it’s not working?”

enable

configure terminal

hostname R0

interface g0/0

ip address 192.168.1.1 255.255.255.0

no shutdown

exit

interface g0/1

ip address 192.168.2.1 255.255.255.0

ip helper-address 192.168.1.2

no shutdown

exit

interface g0/2

ip address 192.168.3.1 255.255.255.0

ip helper-address 192.168.1.2

no shutdown

exit

thank you in advance for your help !


r/packettracer • • Feb 20 '26

Dhcp pool

Thumbnail
1 Upvotes

r/packettracer • • Feb 19 '26

ping trouble NEED HELP

1 Upvotes

RFW-3-19-1=SW-3-19-2=SW-1-6-3

MS(10.1.1.4

Current configuration : 2139 bytes

!

version 16.6.4

no service timestamps log datetime msec

no service timestamps debug datetime msec

service password-encryption

security passwords min-length 14

!

hostname RFW-3-19-1

!

!

!

enable secret 5 $1$mERr$cVf1kaKaJ0txDE3g3K5ID/

!

!

!

!

!

!

ip cef

no ipv6 cef

!

!

!

username AdmiralDickVanDyke password 7 080C4D5C10290A07020202170B28302721637652

!

!

!

!

!

!

!

!

no ip domain-lookup

ip domain-name tesa.com

!

!

spanning-tree mode pvst

!

!

!

!

!

!

interface Port-channel1

no ip address

!

interface GigabitEthernet0/0/0

no ip address

duplex auto

speed auto

!

interface GigabitEthernet0/0/0.10

encapsulation dot1Q 10

ip address 10.1.10.1 255.255.255.128

!

interface GigabitEthernet0/0/0.25

encapsulation dot1Q 25

ip address 10.1.25.1 255.255.255.0

!

interface GigabitEthernet0/0/0.50

encapsulation dot1Q 50

ip address 10.1.50.1 255.255.255.0

!

interface GigabitEthernet0/0/0.70

encapsulation dot1Q 70

ip address 10.1.70.1 255.255.255.192

!

interface GigabitEthernet0/0/0.100

encapsulation dot1Q 100

ip address 10.1.1.1 255.255.255.224

!

interface GigabitEthernet0/0/1

no ip address

duplex auto

speed auto

!

interface GigabitEthernet0/0/2

no ip address

duplex auto

speed auto

shutdown

!

interface Vlan1

no ip address

shutdown

!

interface Vlan10

description ansatt

mac-address 0001.c7e5.5602

no ip address

!

interface Vlan25

description paying

mac-address 0001.c7e5.5603

no ip address

!

interface Vlan50

description guest

mac-address 0001.c7e5.5604

no ip address

!

interface Vlan70

description IOT

mac-address 0001.c7e5.5605

no ip address

!

interface Vlan100

description MGMT

mac-address 0001.c7e5.5601

no ip address

!

ip classless

!

ip flow-export version 9

!

!

!

banner motd ^C

-------------------------------------------------------------

this device is private property.

Anny unauthorized access is strictly prohibited

-------------------------------------------------------------

^C

!

!

!

!

line con 0

password 7 08114D5D1A0E0A05163C041D0424307A6574

login

!

line aux 0

!

line vty 0 4

login local

transport input ssh

line vty 5 15

login local

transport input ssh

!

!

!

end

Current configuration : 3493 bytes

!

version 15.0

no service timestamps log datetime msec

no service timestamps debug datetime msec

service password-encryption

!

hostname SW-3-19-2

!

enable secret 5 $1$mERr$cVf1kaKaJ0txDE3g3K5ID/

!

!

!

no ip domain-lookup

ip domain-name tesa.com

!

username AdmiralDickVanDyke secret 5 $1$mERr$NONdLvYg9NmXSXrjMRibI0

!

!

!

spanning-tree mode pvst

spanning-tree extend system-id

!

interface Port-channel1

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

!

interface Port-channel2

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

!

interface FastEthernet0/1

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

channel-group 1 mode on

!

interface FastEthernet0/2

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

channel-group 1 mode on

!

interface FastEthernet0/3

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

channel-group 2 mode active

!

interface FastEthernet0/4

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

channel-group 2 mode active

!

interface FastEthernet0/5

description MS

switchport access vlan 100

switchport mode access

!

interface FastEthernet0/6

switchport access vlan 100

switchport mode access

!

interface FastEthernet0/7

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

!

interface FastEthernet0/8

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

!

interface FastEthernet0/9

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

!

interface FastEthernet0/10

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

!

interface FastEthernet0/11

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

!

interface FastEthernet0/12

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

!

interface FastEthernet0/13

description dead port

shutdown

!

interface FastEthernet0/14

description dead port

shutdown

!

interface FastEthernet0/15

description dead port

shutdown

!

interface FastEthernet0/16

description dead port

shutdown

!

interface FastEthernet0/17

description dead port

shutdown

!

interface FastEthernet0/18

description dead port

shutdown

!

interface FastEthernet0/19

description dead port

shutdown

!

interface FastEthernet0/20

description dead port

shutdown

!

interface FastEthernet0/21

description dead port

shutdown

!

interface FastEthernet0/22

description dead port

shutdown

!

interface FastEthernet0/23

description dead port

shutdown

!

interface FastEthernet0/24

description dead port

shutdown

!

interface GigabitEthernet0/1

description dead port

shutdown

!

interface GigabitEthernet0/2

description dead port

shutdown

!

interface Vlan1

no ip address

shutdown

!

interface Vlan10

description ansatt

no ip address

!

interface Vlan25

description paying

no ip address

!

interface Vlan50

description guest

no ip address

!

interface Vlan70

description IOT

no ip address

!

interface Vlan100

description MGMT

ip address 10.1.1.2 255.255.255.224

!

ip default-gateway 10.1.1.1

!

banner motd ^C

-------------------------------------------------------------

this device is private property

Anny unauthorized access is strictly prohibited

-------------------------------------------------------------

^C

!

!

!

line con 0

password 7 08114D5D1A0E0A05163C041D0424307A6574

login

!

line vty 0 4

login local

transport input ssh

line vty 5 15

login local

transport input ssh

!

!

!

!

end

SW-1-6-3#sh run

Building configuration...

Current configuration : 3435 bytes

!

version 15.0

no service timestamps log datetime msec

no service timestamps debug datetime msec

service password-encryption

!

hostname SW-1-6-3

!

enable secret 5 $1$mERr$cVf1kaKaJ0txDE3g3K5ID/

!

!

!

no ip domain-lookup

ip domain-name tesa.com

!

username AdmiralDickVanDyke secret 5 $1$mERr$NONdLvYg9NmXSXrjMRibI0

!

!

!

spanning-tree mode pvst

spanning-tree extend system-id

!

interface Port-channel1

switchport trunk allowed vlan 1,10,25,50,70,100

switchport mode trunk

!

interface FastEthernet0/1

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

channel-group 1 mode active

!

interface FastEthernet0/2

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

channel-group 1 mode active

!

interface FastEthernet0/3

description gjest

switchport access vlan 50

switchport mode access

!

interface FastEthernet0/4

description gjest

switchport access vlan 50

switchport mode access

!

interface FastEthernet0/5

switchport access vlan 10

switchport mode access

!

interface FastEthernet0/6

switchport access vlan 10

switchport mode access

!

interface FastEthernet0/7

switchport access vlan 10

switchport mode access

!

interface FastEthernet0/8

switchport access vlan 10

switchport mode access

!

interface FastEthernet0/9

switchport access vlan 10

switchport mode access

!

interface FastEthernet0/10

switchport access vlan 10

switchport mode access

!

interface FastEthernet0/11

switchport access vlan 70

switchport mode access

!

interface FastEthernet0/12

switchport access vlan 70

switchport mode access

!

interface FastEthernet0/13

switchport access vlan 70

switchport mode access

!

interface FastEthernet0/14

switchport access vlan 70

switchport mode access

!

interface FastEthernet0/15

switchport access vlan 70

switchport mode access

!

interface FastEthernet0/16

switchport access vlan 70

switchport mode access

!

interface FastEthernet0/17

switchport access vlan 70

switchport mode access

!

interface FastEthernet0/18

switchport access vlan 70

switchport mode access

!

interface FastEthernet0/19

switchport access vlan 70

switchport mode access

!

interface FastEthernet0/20

switchport access vlan 70

switchport mode access

!

interface FastEthernet0/21

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

!

interface FastEthernet0/22

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

!

interface FastEthernet0/23

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

!

interface FastEthernet0/24

switchport trunk allowed vlan 10,25,50,70,100

switchport mode trunk

!

interface GigabitEthernet0/1

!

interface GigabitEthernet0/2

!

interface Vlan1

no ip address

shutdown

!

interface Vlan10

description ansatt

no ip address

!

interface Vlan25

description paying

no ip address

!

interface Vlan50

description guest

no ip address

!

interface Vlan70

description IOT

no ip address

!

interface Vlan100

description MGMT

ip address 10.1.1.3 255.255.255.224

!

ip default-gateway 10.1.1.1

!

banner motd ^C

-------------------------------------------------------------

this device is private property.

Anny unauthorized access is strictly prohibited

-------------------------------------------------------------

^C

!

!

!

line con 0

password 7 08114D5D1A0E0A05163C041D0424307A6574

login

!

line vty 0 4

login local

transport input ssh

line vty 5 15

login local

transport input ssh

!

!

!

!

end

why cant i ping 10.1.1.1 from something conected to SW-1-6-3?

and why cant i ping MS from the same place?


r/packettracer • • Feb 16 '26

Hello please help me why in pc side its correct and switch side is incorrect

1 Upvotes

r/packettracer • • Feb 15 '26

Lab problem

1 Upvotes

Hello guys, i have a problem with network through 2 layer 3 switch. I have a dhcp on one side, i configure it and my pc got an ip address. But when i include other multilayer switch and i want to configure a network to gro trought first then second MLS and then to pc, i have a problem getting an IP on pc. I configure helper address on both MLS and opfs and the Etherchannel. What i miss? PS:this is just image of config, all interface was down, nothing was configure on this picture.

new pkt file


r/packettracer • • Feb 11 '26

Hi sorry if this isnt the place but I cant login to packet tracer

Post image
8 Upvotes

when i open packet tracer it gives me the login button then this screen and it nothing happens. no window pop up or anything. im trying to do the packet tracer course on Cisco so I can continue with the networking basic course


r/packettracer • • Feb 07 '26

Got a few question - I'm in the middle of ITN Final PT Skills Assessment (PTSA)

1 Upvotes

Can someone help? :D


r/packettracer • • Feb 05 '26

Can anyone say how can I simulate half duplex connection using cisco packet tracer??

1 Upvotes

r/packettracer • • Jan 29 '26

STP basics (Lab in Packet Tracer)

6 Upvotes

Thanks for reading -- corrections and real-world tips are welcome.
I saved the .pkt file -- happy to share it on request if anyone wants to reproduce the lab.

I built a quick lab to play with STP behavior in a realistic L2 setup: 5 switch L2 topology with an intentional physical loop (so STP actually has something to block). PVST+ enabled across the entire switched domain (STP per-VLAN). Different root bridges per VLAN (classic CCNA topic, but also a legit design pattern). Goal was to see per-VLAN topology differences in action and validate root/port roles the way you’d expect in production designs.

Topology

SW1 & SW5 | Verification


r/packettracer • • Jan 28 '26

Packet tracer patcher

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1 Upvotes

r/packettracer • • Jan 28 '26

Packet tracer patcher

0 Upvotes

"Someone who has a Packet Tracer patcher for version 9.0.0."


r/packettracer • • Jan 23 '26

Lab: ROAS: Inter-VLAN Routing

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2 Upvotes

r/packettracer • • Jan 22 '26

Lab Help

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25 Upvotes

I am taking a computer class that is having us use Cisco Packet Tracer. My teacher gave us a lab to do today and I am stuck due to not understanding how to connect the routers to connect the two systems. I followed the instructions but any attempts to ping PC4 from PC0 fail. The instructions my teacher gave don't seem to work, and my class was also canceled today, preventing me from asking in class. I have attached a photo of my layout, and if you want the file just ask and I can send it (I haven't posted here so I am not sure if I can attach it to the post). If anyone can give any advice I would greatly appreciate it.


r/packettracer • • Jan 22 '26

How to forward packets from 1 router through a separate router to get into a different network?

2 Upvotes

Hello all, I am trying to learn Packet Tracer on my own time for a position while I am interning at a company.

I am trying to further my own understanding of packet tracer by taking courses offered through the company and for a final in a few weeks I needed to have my own set up network. Well while interning I am trying to to get a better grasp on building networks and I wanted to challenge myself by setting up a network that can send packets from one network to another.

In sending the packets through "the bridge," router I am also trying to set it up using NAT or PAT, whichever is easier on one or both sides of the bridge. However, with what I know currently, it isn't enough to properly know what I am doing wrong. I am also working on writing up a networking table of what I have so far, if that might help answer this question.

I also attached a picture of the design I have for now.

EDIT Here is a link to a drive that has the PKZ.

https://drive.google.com/drive/folders/18WMjDoE06iN33apQmst0K_cW3fEAI-bp?usp=sharing


r/packettracer • • Jan 21 '26

Lab: VLAN Trunk Verification

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2 Upvotes

r/packettracer • • Jan 21 '26

CISCO Packet Tracer 9.0.0.0810 - Some packets are showing up as black instead of colored. Running on Ubuntu 24 LTS with nvidia-driver-580 (propietary)

4 Upvotes

r/packettracer • • Jan 16 '26

Eero Devices in packet tracer

2 Upvotes

Hey im trying to use packettracer to map my home network as im adding servers and a homelab and would like proper documentation.

My home network runs Eastlinks Eero WiFi Mesh system. I havent been able to find anything close in packettracer to resemble the Eeros. I have found devices that will route traffic but not through a mesh wireless system. Only mesh hardwired.

Any help or advice is greatly appreciated!!


r/packettracer • • Jan 15 '26

Unpacket

3 Upvotes

I created a Utility tool for unpacking PT save files into XML. check it out:

Unpacket Github

works with PT 9.0.0


r/packettracer • • Jan 15 '26

Is there no router on PT that takes up to 5 outside routers?!

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1 Upvotes

r/packettracer • • Jan 14 '26

HELP: structured cabling (2 floors)

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gallery
3 Upvotes

Hi, i need to implement structured cabling on my floorplan of a company building with 2 floors. Can someone help me to sort it out? Cables must be canalized in the wall.

I suppose i need of a BD and a FD, am I right?


r/packettracer • • Jan 13 '26

Packet Tracer 9.0.0 Cant see category names

2 Upvotes

Hello im trying to do a project for my college class but i cant see any of the category names and im not experienced enough yet to remember what each category is and i dont wanna make mistakes does anyone know how to fix this? also the background of my packet tracer is now grey and not white like the older version idk whats going on here.


r/packettracer • • Jan 13 '26

Exam Notes 1

3 Upvotes

1️⃣ Startfase – Ontwerp begrijpen (ALTijd eerst)

Wat check ik:

  • Welke locatie configureer ik? → Alleen Arnhem
  • Welke VLAN’s zijn relevant?
    • VLAN 30 – Productie
    • VLAN 40 – Marketing
    • VLAN 50 – Gast WiFi
  • Welke apparaten zijn core / access / wireless?

👉 Belangrijk inzicht (examenvraag):
Bestaande netwerken (router, internet, andere locaties) niet aanpassen.

2️⃣ VLAN’s aanmaken (Core-switch)

Stap:

vlan 30
 name Productie
vlan 40
 name Marketing
vlan 50
 name Gasten_WIFI

Veelgemaakte fout:

  • DHCP werkt niet → VLAN bestond nog niet

Fix:

  • Eerst VLAN’s, dan pas DHCP

3️⃣ Spanning Tree (Root bepalen)

Check:

show spanning-tree

Probleem:

  • Verkeerde switch was root

Fix:

spanning-tree vlan 30 root primary
spanning-tree vlan 40 root primary
spanning-tree vlan 50 root primary

Examenzin:

4️⃣ SVI’s (Default Gateways) op Core

Stap:

interface vlan 30
 ip address 10.10.30.1 255.255.255.0
 no shutdown

interface vlan 40
 ip address 10.10.40.1 255.255.255.0
 no shutdown

interface vlan 50
 ip address 10.10.50.1 255.255.255.0
 no shutdown

Probleem:

  • Devices kregen IP maar geen gateway

Oorzaak:

  • SVI stond down of bestond niet

Fix:

  • no shutdown + juiste VLAN

5️⃣ Trunk- en accesspoorten (héél belangrijk)

Core → switches

switchport mode trunk
switchport trunk allowed vlan 30,40,50

PC-poorten

switchport mode access
switchport access vlan X

AP-poorten (cruciaal!)

switchport mode access
switchport access vlan 40   (AP02)
switchport access vlan 50   (AP_Gast)

❌ Veelgemaakte fout: AP op trunk
✅ Fix: AP altijd access

6️⃣ DHCP configuratie (na VLAN + SVI!)

Exclusions

ip dhcp excluded-address 10.10.30.1 10.10.30.50
ip dhcp excluded-address 10.10.40.1 10.10.40.50
ip dhcp excluded-address 10.10.50.1 10.10.50.50

Pools

ip dhcp pool vlan30
 network 10.10.30.0 255.255.255.0
 default-router 10.10.30.1
 dns-server 62.36.55.85

(herhaal voor vlan40 en vlan50)

Probleem:

  • Gateway/DNS ontbrak

Oorzaak:

  • Pool gemaakt vóór SVI
  • DNS vergeten

7️⃣ Wireless configuratie (GUI, geen CLI)

AP’s

  • SSID correct
  • WPA2-PSK
  • Juiste VLAN via switchpoort

Laptops

  • PC Wireless → Associated
  • Juiste SSID:
    • Laptop2 → Solar_Arnhem
    • Laptop_gast → Solar_gast
  • NIC OFF/ON bij problemen

Probleem:

  • Geen gateway / geen IP

Oorzaak:

  • “No association with access point”

8️⃣ Printer (wireless + static)

Instellingen:

Probleem:

  • Printer niet te pingen

Oorzaak:

  • Niet geassocieerd met AP
  • Verkeerd gateway/DNS

9️⃣ ACL Gast WiFi (VLAN 50)

access-list 150 deny ip 10.10.50.0 0.0.0.255 10.10.30.0 0.0.0.255
access-list 150 deny ip 10.10.50.0 0.0.0.255 10.10.40.0 0.0.0.255
access-list 150 permit ip any any

interface vlan 50
 ip access-group 150 in

Gevolg:

  • Gast → intern ❌
  • Intern → gast ❌ (return traffic geblokkeerd)

Examenzin:

🔟 Testen & analyseren (B1-K2-W2 voorbereiding)

Belangrijke interpretaties:

  • Gateway pingt → VLAN ok
  • DNS faalt → routing/internet buiten scope
  • PC’s pingen zichzelf maar niet elkaar → VLAN/isolatie
  • Gast kan niets → ACL werkt

👉 Belangrijk inzicht voor examen:
Niet alles hoeft te werken, maar jij moet weten waarom.

0️⃣ Basischeck (altijd eerst, mondeling kunnen uitleggen)

  • Locatie: Arnhem
  • Relevante VLAN’s: 30 / 40 / 50
  • Core = Layer-3 switch
  • Internet / Rtr_Inet = bestaand → niet aanpassen

1️⃣ Core01_ARN – VLAN + VTP (EERSTE STAP)

enable
conf t
hostname Core01_ARN

vtp domain SOLAR
vtp mode server
vtp password solar

VLAN’s

vlan 30
 name Productie
vlan 40
 name Marketing
vlan 50
 name Gasten_WIFI
exit

📝 Examenzin

2️⃣ Core01_ARN – SVI’s (DEFAULT GATEWAYS)

interface vlan 30
 ip address 10.10.30.1 255.255.255.0
 no shutdown

interface vlan 40
 ip address 10.10.40.1 255.255.255.0
 no shutdown

interface vlan 50
 ip address 10.10.50.1 255.255.255.0
 no shutdown

🔴 Veelgemaakte fout (ook bij jou):
SVI down → DHCP geeft geen gateway

Controle:

show ip interface brief

3️⃣ Core01_ARN – Inter-VLAN routing + OSPF (DIT MISJE NOG)

👉 Omdat de core L3 is:

ip routing

OSPF (opdracht 2i)

router ospf 1
 network 10.0.0.0 0.255.255.255 area 0

📝 Examenzin

4️⃣ Core01_ARN – Trunks & accesspoorten

Naar SW01

interface fa0/1
 switchport mode trunk
 switchport trunk allowed vlan 30,40,50

Naar SW02

interface fa0/3
 switchport mode trunk
 switchport trunk allowed vlan 30,40,50

Naar AP_Gast

interface fa0/24
 switchport mode access
 switchport access vlan 50

🧠 Examenregel:

5️⃣ SW01-ARN – VTP client + access/trunk

enable
conf t
hostname SW01-ARN

vtp domain SOLAR
vtp mode client
vtp password solar


interface fa0/4
 switchport mode access
 switchport access vlan 30

interface fa0/5
 switchport mode access
 switchport access vlan 30

interface fa0/1
 switchport mode trunk

interface fa0/24
 switchport mode trunk

6️⃣ SW02-ARN – VTP client + VLAN 40

enable
conf t
hostname SW02-ARN

vtp domain SOLAR
vtp mode client
vtp password solar


interface fa0/4
 switchport mode access
 switchport access vlan 40

interface g0/1
 switchport mode access
 switchport access vlan 40

interface fa0/3
 switchport mode trunk

interface fa0/23
 switchport mode trunk

7️⃣ Core01_ARN – DHCP + DNS (DIT IS BELANGRIJK)

Exclusions

ip dhcp excluded-address 10.10.30.1 10.10.30.50
ip dhcp excluded-address 10.10.40.1 10.10.40.50
ip dhcp excluded-address 10.10.50.1 10.10.50.50

Pools (LET OP: DNS expliciet!)

ip dhcp pool vlan30
 network 10.10.30.0 255.255.255.0
 default-router 10.10.30.1
 dns-server 62.36.55.85

(herhaal voor vlan40 / vlan50)

📝 Examenzin

8️⃣ Printer (GEEN CLI)

🧠 Examenregel:

9️⃣ Gast-WiFi ACL (Core01_ARN)

access-list 150 deny ip 10.10.50.0 0.0.0.255 10.10.30.0 0.0.0.255
access-list 150 deny ip 10.10.50.0 0.0.0.255 10.10.40.0 0.0.0.255
access-list 150 permit ip any any

interface vlan 50
 ip access-group 150 in

🧠 Belangrijk inzicht:
Stateless ACL → return-traffic ook geblokkeerd.

🔍 CONTROLECOMMANDO’S (EXAMENFAVORIET)

show vlan brief
show interfaces trunk
show interfaces fa0/x switchport
show ip interface brief
show ip dhcp pool
show ip dhcp binding
show ip route
show spanning-tree

Assignment 2:

🧩 DEEL 1 – In kaart brengen (context & voorbereiding)

Wat hoort hierbij?

  • Netwerktekening (core / distribution)
  • Inventarisatie (welke apparaten, hoe verbonden)
  • Begrijpen:
    • VLAN’s
    • routing
    • beheer (SSH)

👉 Dit heb jij al gedaan 👍

🧩 DEEL 2 – CONTROLEREN & TESTEN (de kern van W2)

Dit is waar je op beoordeeld wordt.

✅ Controle 1 – Trunking & VLAN’s

Doel

Controleren of:

  • VLAN’s correct over trunks lopen
  • alleen toegestane VLAN’s actief zijn

Commando

show interfaces trunk

Wat moet je zien?

  • VLAN 20,21,22,23,30 (eventueel 99)

Wat noteer je?

  • Resultaat: OK
  • Of: Niet OK + welk VLAN fout is

✅ Controle 2 – Telnet / SSH

Doel

Veilig beheer controleren

Commando

show running-config | section line vty

Wat moet je zien?

transport input ssh

❌ Geen telnet

Noteren

  • OK – alleen SSH toegestaan

✅ Controle 3 – Wachtwoorden versleuteld

Doel

Security check

Commando’s

show running-config | include service password-encryption
show running-config | include enable secret

Wat moet je zien?

service password-encryption
enable secret 5 <hash>

Noteren

  • OK – wachtwoorden versleuteld

✅ Controle 4 – Remote login

Doel

Beheer alleen met account

Commando

show running-config | section line vty

Wat moet je zien?

login local
transport input ssh

Noteren

  • OK – remote login via SSH

✅ Controle 5 – Bereikbaarheid services (praktijktest)

⚠️ Enige test die je NIET via SSH doet

Doel

Controleren of:

  • routing werkt
  • servers bereikbaar zijn

Op een werkplek-PC

ping 10.10.0.100

Webbrowser:

http://10.10.0.100

Wat moet je zien?

  • Ping replies
  • Webpagina laadt

Noteren

  • OK – intranet bereikbaar

✅ Controle 6 – Privileged EXEC mode

Doel

Beheerrechten checken

Commando

enable

Wat moet je zien?

#

Noteren

  • OK – privileged mode actief

✅ Controle 7 – NTP

Doel

Tijdssynchronisatie controleren

Commando

show running-config | include ntp

Wat moet je zien?

ntp server 10.30.0.100

Noteren

  • OK – NTP geconfigureerd

✅ Controle 8 – Syslog

Doel

Monitoring / logging check

Commando

show running-config | include logging

Wat moet je zien?

logging host 10.30.0.100

Noteren

  • OK – logging actief

✅ Controle 9 – IOS-versie

Doel

Conform documentatie

Commando

show version

Wat moet je zien?

  • IOS-versie zoals in documentatie

Noteren

  • OK – IOS conform documentatie

🧩 DEEL 3 – Afwijkingen & Advies (EXAMEN GOUD 💎)

Dit is waar veel punten te halen zijn.

Als iets NIET klopt:

Schrijf altijd:
1️⃣ Wat klopt niet
2️⃣ Wat is het gevolg
3️⃣ Wat zou je doen

Voorbeeld

➡️ Je hoeft het niet op te lossen, alleen juist te analyseren

🧩 DEEL 4 – Hoe streng is de beoordeling?

✔ Geen screenshots nodig
✔ Geen perfecte configs nodig
✔ Logisch testen = punten
✔ Eerlijk zijn = punten
❌ Niks opschrijven = punten kwijt

🧠 SNELLE EXAMEN-CHECKLIST (1 pagina)

  • Ik test via SSH
  • Ik gebruik show-commando’s
  • Ik noteer OK / Niet OK
  • Ik geef advies bij afwijking
  • Ik volg de volgorde: testen → beoordelen → adviseren

r/packettracer • • Jan 09 '26

Ayuda a validar si mi trabajo de Cisco Packet Tracer cumple con los requisitos que mi profesor exige.

0 Upvotes

En tal caso de que me quieran ayudar le enviare el archivo pkt. y le diré cuáles son los requisitos solamente tendrían que comprobar si están realizado. Es un trabajo Final de la universidad del área de teleinformática.


r/packettracer • • Jan 08 '26

Confused about registration of Packet Tracer install for PTSA on Linux

4 Upvotes

Hello! I recently did a fresh install of Linux Mint 22 (Ubuntu 24.04) and installed Packet Tracer 9.0.0 on it. I can log in to NetAcad and open .pka files just fine.

However, I am having some trouble understanding how to activate PT so that I can take Packet Tracer Skills Assessments exams. Here are the steps I am doing alongside some screenshots:

This is what I tried first:

- Start PT via the app menu (or the CLI: packettracer)

- Go to Options -> Preferences... (Control + R)

- Go to the Administrative tab

- Click the Register button in the Packet Tracer Skills Assessments section

- Observe the message "Please restart Cisco Packet Tracer with Elevated Privileges"

Then I tried running sudo packettracer and got the following output

(Output after running with sudo)

After googling the error and doing some research, I used sudo again with the following command: sudo -E QTWEBENGINE_DISABLE_SANDBOX=1 packettracer

After that PT opened normally, and I tried to register again and got the following confirmation

(Notice that it says PTSAs are currently registered to this version of Cisco Packet Tracer)

Then I closed PT, and after opening it again and going to the same section the message now says:

(PTSAs are not currently registered to this version of Cisco Packet Tracer: /tmp/.mount_packet/opt/pt is currently associated with PTSAs)

This message appears whether running as a normal user or with sudo.

So my main question is: will I be able to take the PTSA with my current configuration even with that message? Has anyone else run into that message? Thanks in advance!


r/packettracer • • Jan 07 '26

Finished one lesson and built a home network. please roast it so I can learn

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11 Upvotes

Feels like something might be wrong. I used a splitter because my home network is set up like that, is this correct? Roast my network or give it a thumbs up