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Questions tagged [packet-tracer]

For questions specifically related to the software Packet Tracer developed by Cisco Systems. This tag should only be used in relation to the actual functions in Packet Tracer, for instance: network troubleshooting, designs and configurations.

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1answer
31 views

Multi Area OSPF configuration in cisco packet tracer

I am a bit confuse in the concept of multi area ospf. I posted 2 days ago. And I was asked to leave the one interfaces of each router out of the circle. Now the center circle is area 0. The top circle ...
1
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1answer
49 views

No MAC address table shown on Cisco switch

I'm studying CCNA1. following netacad course notes and sending "show mac address-table" to a switch (in packet tracer) I should get a list of the available MAC addresses. I only get the table header ...
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1answer
32 views

Can i run scanner on cisco packet tracer network

Can i run scanner on Cisco packet tracer network? It will be ideal it scanner will be nmap
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0answers
44 views

Why does the Implicit Rule prevent traffic from passing?

I an testing traffic forwarding between different DMZ with different security levels. DMZ: interface GigabitEthernet0/1.351 vlan 351 nameif dmz security-level 10 ip address 10.100.20.1 255.255....
2
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1answer
42 views

Static NAT - Cisco Packet Tracer

I have configured what I think is Static Nat on my "NAT Router". I have attached an image of my network topology. However when I test the connection between the server on the inside network and the ...
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0answers
47 views

Unable to ping from one computer to another

Below you can see the topology of my network in cisco packet tracer. What I am trying to do is ping B2-Guest from B2-Management. When I try to ping B2-Guest from B2-Management the packet is lost at ...
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1answer
46 views

Let connections go through a server to a router in packet tracer

This may be a simple question but one that I have not been able to get a solid answer on as of yet. Is there a way in packet tracer that I can let packets go through a server that has two NICs? This ...
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1answer
51 views

Can not use `update-source` in bgp neighbor command in Cisco Packet Tracer

In my Cisco Packet Tracer, I have a ISR4321 router: Router1(config-router)#neighbor 12.0.0.2 update-source lo0 ^ % Invalid input detected at '^' marker. I ...
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1answer
31 views

Packet tracer - why “show ip route” shows network address

This is just a quick question I am wondering out of curiosity. When I set up a network in packet tracer, why does "show IP route" show the network address (example: 199.120.5.64/27) and not the IP ...
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1answer
26 views

Static routes to a server in packet tracer

If a generic server with 2 NICs has been added to the network in "packet tracer 7.2.1" where NIC-1 is part of VLAN-1 and NIC-2 is part of VLAN-2 of a layer 2 switch. How to statically route incoming ...
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0answers
38 views

Basic connectivity won't work in Packet Tracer

I've been redoing this multiple times and I'm sure i configured it correctly, however there is nothing happening at all. It's just a basic network with 3 routers and OSPF configured. Here are the ...
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1answer
53 views

How can i simulate MAC Flooding Attack in Cisco Packet Tracer on windows?

Is there anyway to simulate a mac flooding attack without using linux/Ubuntu? I have windows and i have to simulate on it. Is it possible to simulate on Cisco Packet tracer?
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1answer
32 views

Can more than one person work at the same time in Packet Tracer?

I want to know if more of one person can work in packete tracer at the same time. For example if a friend from her house and I from mine could work in the same proyect of packet tracer at the same ...
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0answers
6 views

Cisco Packet-tracer extended ACL [duplicate]

I want PC4 to ping PC5 but PC5 should't can ping PC4. My current config is: Multi Layer Switch: ip dhcp pool vlan10 network 192.168.10.0 255.255.255.0 default-router 192.168.10.1 dns-server 8.8....
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0answers
21 views

Reduce Packet Tracer window size

I downloaded Packet Tracer 7.2 for my Linux Mint machine. At first everything worked. But now it looks like this: The interface is way too big. Does anyone know how can I reduce the size of it?
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54 views

Why does PAP authentication not work in Packet tracer 7.2?

Note : Platform = Packet Tracer 7.2.1 for Linux 64 bit on Fedora 29. I configured two serial interfaces in packet tracer v7.2 for PAP authentication. While one of them has the status up/up, the ...
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2answers
64 views

Get DHCP IP with subinterface

Router0 has 1 subinterface on gi0/0 and can't get a ip trough dhcp. Is there something I forgot? The configs: Router0(got no ip from dhcp): interface GigabitEthernet0/0 ip address dhcp duplex ...
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1answer
36 views

Get DHCP IP from ISP

How can I give the interface gi0/0 on router4 a IP with dhcp from the router ISP_RECHTS? Current Config ISP_RECHTS config: ip dhcp pool EINS network 70.0.1.0 255.255.255.0 default-router 70.0.1.1 ...
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1answer
16 views

ICMP echo messages in a network not properly configured

I have the following network It is really a simple network and routing table of both routers consist of directly connected networks only, meaning, no routing is being done here. Now, it is obvious ...
2
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1answer
77 views

inconsistent bad mask error

in packet tracer i was assigning: 83.174.16.164 255.255.255.248 to 3560 switch which shouldn't throw an error of bad mask given that it is in the usable range: Address: 83.174.16.160 ...
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0answers
37 views

Why can't I ping to the outside interface of my ASA

Below is the output of packet tracer. I have simulated a ping packet from 10.106.51.203 to 10.106.51.200. 'mgmt' is supposed to be the outside interface. Also, why is output-interface in the result ...
2
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2answers
275 views

Default gateway of host connected to two routers via switch

I wanted to make this network fully connected, so I need to assign IP addresses to all interfaces of routers and to all hosts. However, I should assign a default gateway address to every host, but, ...
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1answer
45 views

Packet tracer. Can I have multiple sites on the same web server?

so I have this simple network containing one pc and one web server that contains a site: I can access a site hosted on the server from the pc using a web browser, however, I want to access two sites, ...
2
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1answer
63 views

How to connect a switch with a router via another switch?

ROUTER CONFIG Router#sh run Building configuration... Current configuration : 769 bytes ! version 12.4 no service timestamps log datetime msec no service timestamps debug datetime msec no service ...
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0answers
14 views

How to connect private networks? [duplicate]

I need to connect two private networks. I have the same IPv4 addresses and need to establish connection between them. • How can I connect them? (NAT?) • What type of routing to use? (I know static ...
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1answer
71 views

Amber lights on packet tracer

Im doing a project and need to show a sample of it to my colleagues asap. So I worked on it with packet tracer,but some of the link lights are showing amber(orange). I checked the corresponding line ...
2
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1answer
24 views

I can't connect to a denied network in Packet Tracer

I'm making a little practice in packet tracer and I'm configuring ACL. I want that the network call "Free WiFi Clientes" can not access to IT but when I deny that network in Router 3 I try to ping ...
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1answer
254 views

missing Packet tracer physical Tab

hello I am using packet tracer for a while.I use in my college computer. but recently I installed in my pc. when ever I try to add extra ports in my rouer or switch the physical tab is missing
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1answer
55 views

Login local , login synchronous

I dont understand what those two comands mean when im enabling ssh on Vty-line. Can someone please explaim me please whatthose comand do and why i need to use them?
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1answer
113 views

hsrp on both side of router

i tried to create a simple network topology to test the Hot standby router protocol gateway for "server2" and "server3", and the architecture is shown in the figure below. i would like to clarify ...
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2answers
50 views

Why aren't mac addresses of a serial port shown on packet tracer

I just noticed that mac address of a serial port is not there in a 2911 router in PT. also while using eui-64 the serial picks up the mac of some a gigabit or fast ethernet interface.
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1answer
101 views

WAN/Campus network design - Learning purposes

I am trying to build a WAN connecting various LAN's via frame-relay for learning purposes, i do not have that much experience with frame-relay or network design (mainly creating LAN's and connecting ...
3
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1answer
57 views

security benefits of using RADIUS in router authentication - packet tracer

I'm trying to learn how can one protect routers (using Cisco Packet Tracer) and I found out I can set local password to authenticate access to the router privileged and configuration mode. However, I ...
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1answer
258 views

Add ports on Packet Tracer 7

how do you create new ports using WMIC-4ESW on my routers on packet tracer 7? both of my routers have 2 GigaEthernet and I used them because my 2 networks on each router. I need to be able to add more ...
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1answer
22 views

i cant configure the ip adress and subnetmask ,i only have one router “1941” and 2 pc's

the command line is this : Router0(config-if)#ip adress 192.168.1.1 255.255.255.0 the error message is : % Invalid input detected at '^' marker.
2
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2answers
415 views

IPv6 can't ping host when static route configured with exit interface

I have the following topology (using IPv6) interfaces: I have the following static routes configured on it: R1#sh ipv6 route static IPv6 Routing Table - default - 9 entries Codes: C - Connected, L -...
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1answer
122 views

Why command “ipv6 dhcp relay” doesn't work at packet tracer?

I'm trying to enable dhcp for ipv6 with the "ipv6 dhcp relay dest" command but, I'm receiving an error and I'm trying both of these commands but none work. Router model: 2811 (config)# interface [...
3
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1answer
133 views

What is wrong with this set of routers?

What is wrong with this network, why am I unable to connect to the internet from the network 172.16.1.0 here? I've done all the routing setup using GUI (that should not cause the problem, though). ...
2
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3answers
2k views

What's the difference between Serial DCE and Serial DTE link?

In the Cisco Packet Tracer we also see the Serial DCE and Serial DTE: but I don't know what's the difference between them.
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2answers
324 views

How can I ping with source option in Cisco Router?

How can I ping with source option in Cisco Router? I have a ISR 4321 Router, I want to ping from a source IP address: Router#ping ? WORD Ping destination address or hostname ip IP echo ...
2
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1answer
248 views

%OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link

I have a topology like this: this Router0-1's Gig0/0/0 ip: 10.0.12.1/24, the Router0-2's Gig0/0/0 ip: 10.0.12.2/24, Gig0/0/1 ip: 10.0.23.2/24, this Router0-3's Gig0/0/0 ip: 10.0.23.3/24, at ...
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1answer
565 views

(CISCO Packet Tracer) Overlap Error

I am trying to set up a network of for different organisational departments based on a given typology: Using Cisco 2911 routers & 2960-24TT Switches. With given addressing of: 'EIGRP 101' 172....
2
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1answer
53 views

Subnetting Access Problem

I am learning subnetting, and I am using Packet Tracer to design a network for a building with five storeys. I have used subnetting, with each floor having its own subnet. As a result, it is not ...
3
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1answer
127 views

Set password of a Switch to “C?1sc0” using CLI in Cisco Packet Tracer

I have been asked to set the password of a Switch to "C?1sc0" in Cisco Packet Tracer. The problem is that when i type "?" in CLI it prints out: Router(config)#enable password ? 7 Specifies a ...
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1answer
287 views

Is there any router port module of the Cisco Packet Tracer Router?

In the Cisco Packet Tracer: there are a list Routers, you can see such as 4321, 1941 and so on. but I tried everyone, there is no one have a module with multi router ports. there are switching ...
3
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1answer
95 views

How come a PC can connect to a Switch using Crossover copper, and sometimes a Straight-Through Copper?

How come a PC can connect to a Switch using Crossover copper, and sometimes a Straight-Through Copper? The below topology is in my Cisco Network in Packet Tracer.
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1answer
305 views

Is it possible to let the Router Interface show its IP address in Cisco Packet Tracer? [duplicate]

Is it possible to let the Router Interface show its IP address?
2
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1answer
118 views

Can not create sub-interface like `interface gigabitEthernet 2/1.100`

I follow a tutorial, there shows the method of create sub-interface: but in my actual situation, I can not do this: Router(config)#interface gigabitEthernet 2/1.100 ...
1
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1answer
36 views

The Switches can not get through by both FastEthernet switchport.

I have two Switch 2950T-24 in my Cisco Packet Tracer, and I want connect their FastEthernet port. But I wait a long time the triangular symbol do not turn green.
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2answers
171 views

Cisco Switch 2950T-24 can not create multi VLANs

I follow a tutorial for creating multi vlans in Cisco Switch, but get bellow errors: Switch(config)#vlan 21, 22, 25-30 ^ % Invalid input detected at '^' marker. Switch(config)#...