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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
47 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
24 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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0answers
14 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
20 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.
1
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1answer
31 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
131 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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0answers
24 views

There is no “update-source” param in the BGP neighbor

In the tutorial, there are BGP's neighbor update-source. but when I test the Router, there is no that command. R1(config-router)#neighbor 2.2.2.2 ? next-hop-self Disable the next hop ...
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2answers
63 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
62 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
33 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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0answers
27 views

configure switch on packet tracer

I'm using packet tracer to get used with network's protocols. I have 2 pc(s) connected to a 3560 switch , is there a way to know if the csma/cd is activated or not in each port ? And if it's ...
0
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1answer
44 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
49 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 ...
1
vote
1answer
48 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
36 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
24 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
41 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
27 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.
1
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2answers
70 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)#...
1
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3answers
79 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
52 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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0answers
24 views

IP Phones and DHCP Server in packet tracer 6.2

I'm configuring this network with IP Phones (I have NOT done IP Phones before) in Packet Tracer 6.2, I have already done enough research on it without any result, the videos that I see have connected ...
1
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1answer
53 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
35 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 ...
0
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1answer
56 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
71 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
vote
1answer
42 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 ...
0
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1answer
58 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 ...
0
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1answer
181 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.
0
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1answer
154 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 ...
1
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1answer
107 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
442 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
39 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 ...
-1
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1answer
61 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 ...
3
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1answer
148 views

Multiple access lists on same vlan

I have 5 departments each with it's own vlan and i want some of them to ping some of them, and only want some of them to ping some of them back. Basically creating a hierarchy of vlans. Concretely, ...
3
votes
1answer
76 views

Access lists on vlans possible?

I have a building with some departments and each department has it's own vlan and subnet. so now all departments can communicate with each other, but i only want some of them to communicate with some. ...
0
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1answer
34 views

Are routers necessary when using vlan [closed]

Redesign the headquarters network. In that building are currently 200 hosts divided in 5 departments (financial, administrative, IT, others and CEO staff). Each of these departments needs its own ...
1
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1answer
73 views

How to create vlan for admin?

I wanted create a separate vlan for admin and give access to other vlan , so what is the procedure or method to do it?
1
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1answer
59 views

Packet Tracer help, dropped packets and connectivity issues

I have set up a network with 3 offices on 3 different subnets. File available at, https://github.com/turntheairblue/packetTracer Router configuration is as follows, R1 - Router R2 - Router R3 - ...
0
votes
1answer
41 views

Do packets travel through household routers or only designated ones? [duplicate]

I'm trying to wrap my head around the path the packets take on the internet. I know that they hop between multiple routers until they get to their destination, but are these routers only in ISP's ...
1
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2answers
74 views

I CAN'T ping PC7

So... I have a set up as below. I ping PC7 from the router. obviously an ARP is sent to determine PC7's MAC address. but it doesnt work. i then decide to set packettracer to simulation mode. i ping ...
2
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2answers
404 views

Can't ping Router from vlan 2 or 1 or between vlans

This is driving me nuts. There are 2 vlans on the switch( vlan 20 and 21.) one trunking port g0/1 and thats connected to a Router On A Stick. I CANT PING DIVINCES ON SEPARATE VLANS NOR THE ROUTER FROM ...
2
votes
2answers
130 views

Understanding Cisco standard access lists (Packet Tracer example)

Consider the following example: I have two networks (192.168.1.0 and 192.168.2.0) with one PC in each network (PC0 - 192.168.1.1 and PC1 - 192.168.2.1) and a router R0 with 2 interfaces connecting ...
2
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3answers
188 views

Can we run Linux guest OS in Cisco Packet Tracer?

I've been using VirtualBox, and GNS3 for a while and recently I found out about Cisco Packet Tracer. https://en.wikipedia.org/wiki/Packet_Tracer I've downloaded it and it seems like this tool is ...
0
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1answer
504 views

How can all devices connected to the router be in the same subnet? [closed]

I have understood that router is a networking device, used to connect multiple subnets. And it does the job of routing the packets from one subnet to another subnet. As depicted in the below topology- ...
2
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1answer
256 views

Unable to enable “Directed broadcast” on router in packet tracer?

I have a topology like below, wherein 2 subnets with address 192.168.0.0/24 and 192.168.1.0/24 are connected to a single router, Router0. Now i want to send a directed broadcast from PC0 on subnet ...
3
votes
1answer
144 views

How would I configure etherchannel for this particular topology?

How would I setup and configure etherchannel from switch0 to all the other switches? Switch0 has been configured as the root bridge, Router0 has been configured to be the gateway for each Vlan and as ...
5
votes
5answers
769 views

Why can't two hosts (in two different logical networks) connected to each other through cross-over cable communicate?

Let us say, i have two computers (hosts) A and B. Where A has been assigned an IP address of 192.168.1.10/24 and host B has been assigned an IP address of 192.168.2.11/24. And both of them has been ...
3
votes
2answers
247 views

OSPF - Default route doesn't get advertised to all areas

I am trying to find the reason why R1 doesn't have the default-route, propagated and generated by my Internet-PAT-Router, in his routing-table. The weird thing is, that R2 actually has an entry for ...
1
vote
1answer
67 views

Extended ACL not working with “host”-Attribute in Cisco Packet Tracer

Here's the output (or the commands) which fails: Normally it should work! What's wrong here?