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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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15 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
43 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
33 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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0answers
9 views

ISP dhcp address over modem and switch? [on hold]

Ist there a way my Firewall can get a IP with dhcp from the isp provider in the internet?
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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
30 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
20 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
170 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
25 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
55 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
35 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
18 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
46 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
32 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?
1
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1answer
50 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 ...
1
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2answers
41 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
73 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
40 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
66 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
21 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
137 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 -...
1
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1answer
63 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). ...
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2answers
323 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
171 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
111 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
157 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
107 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 ...
1
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1answer
130 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
62 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
38 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
80 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
30 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
109 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)#...
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3answers
162 views

Deny ping between two PCs on same LAN

I have a switch network consist of 4 PCs and one switch pc1:11.2.3.4 pc2:11.2.3.5 pc3:11.2.3.1 pc4:11.2.3.3 Using Packet tracer, I want to allow pc3 to send and receive ping from pc2 only, and pc1 ...
3
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1answer
66 views

Issue with ACL and router on a stick network

I have implemented LAN design in packet tracer with 6 VLANS using router on a stick configuration. Everything seems to work without ACL but I'm trying to implement rules where only the 02nd floor ...
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1answer
232 views

How to configure DHCP pools for 2 VLANs/subnets sharing a switch

I've set up DHCP pools on a layer 3 switch that goes out to 13 layer 2 switches. Most of which have their own subnet and VLANs, and everything works fine when that's the case. But when there are two ...
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2answers
41 views

Is it possible to enable DHCP on multiple hosts via Cisco switches or routers? [closed]

I think I know the answer to this, but thought I ought to ask around. When setting up new networks with multiple hosts, like a university computer lab VLAN with 30+ workstations, for instance, is it ...
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1answer
66 views

Can't connect between an IPV6 network and an added IPV4 router

I have a very simple topology, where 4 routers use IPV6 and RIP, there aren't problems and all devices have connectivity. The issue is if I add another router this time using IPV4 for clients. I ...
1
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1answer
86 views

Vlan cannot get DHCP address from using Router and L3 Switch

Simplified diagram of a larger network, but I'm having trouble getting DHCP from the router. Going into simulation mode in packet tracer, I'm seeing an error on the layer 3 switch saying "There is no ...
1
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1answer
76 views

Is there a way to get Packet Tracer to generate a label with device settings?

In Packet Tracer I create my labels manually, IP: 192.168.1.5 SM: 255.255.255.0 GW: 192.168.1.1 Is there a way to get Packet Tracer to generate a label like that, so I don't have to type it in for ...
1
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1answer
92 views

RIP Routing for subnets within the same class C network?

I'm trying to setup a network with 3 subnets like this (mask is /26): First 192.168.20.0-64 Second 192.168.20.65-128 Third 192.168.20.129-255 First, I'm just trying to connect the first 2 with fiber ...
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1answer
276 views

I want to ping from pc 192.168.1.2 to pc 192.168.2.2 but i am not able to do so. Can someone tell me my mistake

The network is able to ping from pc 192.168.1.2 to router interface 192.168.3.1.
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1answer
454 views

Can I connect a PC to a router directly in Packet Tracer?

I am attempting to learning CCNA on my own and I have no experience in networking prior to this. I tried to connect a pc and a router (generic router) in Packet Tracer directly but the link between ...
2
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1answer
239 views

Show interfaces brief information

In packet tracer if you hover over a router you will see its interfaces with IP addresses, vlans, etc. However during my CCNA exams (during the troubleshooting) this feature is disabled. Is there a ...
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0answers
610 views

WLC & VLANs - Packet Tracer

I'm trying to learn more about WLC configurations using packet tracer. I know Packet tracer is very limited for this kind of exercise, but I just want the basic, so it's enough. Here is the network: ...
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0answers
53 views

PPP with CHAP authentication on a VPN

I have 3 routers on which i need to implement PPP with CHAP authentication. I have applied a VPN and the routers are working. Router1 and Router3 can ping each other, but not Router2 (ISP). On which ...
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1answer
102 views

Router IP between networks of different classes

I have 2 networks that I want to ping each other, one of the networks uses class B 172.16.16.0/19 and the other network is class C 192.168.0.0/26. Both networks have their own subnets and vlans, and ...