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.
223
questions
3
votes
1answer
76 views
Working in packet tracer, can I configure two routing protocols
I am working on network lab designing topology. I am able to configured two routing protocols which surprised me. I configured RIP and OSPF routing protocols in layer3 switch and advertised same ...
0
votes
1answer
43 views
Do using proxies and surfing the internet create multiple headers in the packet? [closed]
Apologies for these silly questions. As I am new to networking.
For example, If I configured my browser to use proxy of IP address: a.b.c.d and my IP address: e.f.g.h.
And I visit example.com. What ...
1
vote
1answer
61 views
PAT with multiple VLAN
I've set up a network with 4 VLAN, 3 VLAN configured PAT on it and 1 VLAN configured STATIC NAT. The router is acting as the DHCP server. Outside of my router I have another router acting as "the ...
0
votes
1answer
18 views
Blocking 2 VLANs from accessing a specific VLAN on a network
I'm working on a project in packet tracer and I have a server connected to VLAN 10.
VLAN 10 has a single server device on it and the IP scope is a /30.
I have 8 other VLANs across 2 sites. The 2 ...
0
votes
1answer
56 views
Trunking multiple VLANs into a single trunk port on a 3650 Switch
Morning:
I'm new to the world of Cisco Packet tracer, and I am creating a network for a uni project. So far, what I have is:
5 VLANs (subnetted to 192.168.2.0/26, 192.168.3.0/36 etc)
All are ...
0
votes
2answers
41 views
How to add multiple computers in cisco packet tracer?
Hey, I'm the newbie of Cisco Packet Tracer. In the image as you can see there are lots of computers(0-99,1-200). I couldn't do that. Is it possible or it just some way of describing how much computers ...
1
vote
1answer
49 views
Is there a Gigabit switch in packet tracer (more than two gigabit ports)?
I am trying to configure a packet tracer based on a scenario. I am wondering if there is a way to get a GigabitEthernet 0/5 and a GigabitEthernet 0/6 interface on any of the switches?
I have tried ...
0
votes
1answer
33 views
Unknown device mac address listed in switch table on start out
After playing a little bit with a topology randomly created in packet tracer, I figured out that the switch (Switch0) stores a unknown device mac address on start out, wich I think that it belongs to ...
1
vote
1answer
34 views
I Cannot Ping Switch to Device, but can ping Device to Device
I'm currently troubleshooting a network i built and I'm having an issue with ping connectivity, i have set up DHCP and DNS and my end devices can get IP's from DHCP as well as i have intervlan ...
2
votes
1answer
76 views
ICMP message doesn't leave NIC of PC
I got an interVLAN configuration a.k.a 'Router on a Stick'. I can ping all the workstations with each other, except PC9 (refer to image).
I did a simulation and found that the packet does not even ...
1
vote
1answer
52 views
PacketTracer: Why can I not ping from one to another router?
I'm trying to ping from Router DC_GE to BE:
I uploaded the Packet Tracer File (v. 7.2.1):
https://www.4shared.com/file/aEsd_0Piiq/Topologie_Ausgangspunkt_MH.html
CD_GE:
CD_GE#show running-config
...
3
votes
1answer
135 views
How to set ping timer in packet tracer 7.2.2 to wait for a reply
in windows we are able to set a timer in ms like this:
ping -w 500
How can we do such thing for packet tracer 7.2.2?
0
votes
1answer
67 views
Why computers can communicate on different networks and routers won't?
I have a problem that I can not understand it myself and I need some help. I'm doing a kind of challenge, well network challenge in cisco packet tracer. I have a .pka file that stands for Cisco Packet ...
2
votes
2answers
160 views
Not a four-way handshake in Cisco Packet Tracer?
TCP connection termination is performed by the four-way handshake, as shown below (the image is taken from here).
I tried to verify it on Cisco Packet Tracer. With the following topology, I captured ...
0
votes
0answers
28 views
CISCO Packet Tracer
Does Cisco Packet Tracer support config memory and config network command? If no, then do enterprise routers still support it?
2
votes
2answers
135 views
How to ping from PC on EIGRP area to PC on OSPF area without middle router?
This is my topology.
And I can send a package to every router and PC within the colored area, how can I ping from a PC on EIGRP area to a PC on the OSPF area? I heard about default route but I saw it ...
0
votes
1answer
195 views
Is it possible to make a telnet connection between a client and a server on Cisco Packet Tracer?
I wanna capture telnet packet with such a simple client-server topology.
There is no configuration under Services on the server-side.
I tried to telnet to the server on Command Prompt with:
C:\>...
1
vote
0answers
159 views
Static PAT using Cisco ASA 5506 in cisco packet tracer [closed]
ciscoasa(config)#interface GigabitEthernet 1/3
ciscoasa(config-if)#nameif inside1
INFO: Security level for "inside1" set to 0 by default.
ciscoasa(config-if)#security-level 100
ciscoasa(config-if)#no ...
1
vote
1answer
219 views
delete object network in cisco ASA with packet tracert
I used 5506 as firewall and I am trying to delete object network I created and it gives error as ERROR: unable to delete the object configuration. object (inside-net-obj) is being used.
commands I ...
1
vote
1answer
268 views
VLAN routing over multiple routers(RIPv2)
I am currently working on a scenario to get a better understanding of the RIPv2 routing protocol but am currently stuck.
Please see my picture below to get a better understanding of what I am trying ...
1
vote
1answer
103 views
Tacacs+ over VPN is not working
R3 is a Tacacs+ client and Server0 is configured as AAA server with Tacacs+ but R3 is not able to authenticate.
R3 Configuration:
!
version 15.4
no service timestamps log datetime msec
no service ...
0
votes
1answer
46 views
Router RIPv2 displaying subnets not directly connected
Is there a way to show subnets on "Show IP route" that aren't directly connected, but are a hop or 2 away? Is this with Router RIPv2 "redistribute" or is there another way?
Thanks
2
votes
2answers
429 views
Router on a stick not connecting 2 different VLANs
I have a setup which requires two different VLANs to be able to ping one another. I have a setup with 2 - layer 2 switches and a router that has defined sub-interfaces, and for the life of me, I ...
1
vote
1answer
446 views
Ping across VLANs using layer 2 switch
I'm trying to ping one PC on one particular VLAN (VLAN 80) from another PC on a different VLAN (VLAN 50). I have a layer 2 switch (Cisco 2950T), so I can't do it from within itself.
How would I be ...
2
votes
2answers
113 views
PC not pinging to switch
I am trying to link up a few PCs through PT, with a mix of VLAN and physical connections. I have managed to ping 2 different PCs, but i cannot ping the switch, the router or any of the sub routes.
...
0
votes
1answer
54 views
Packet Tracer 7.2.1 does not support eigrp for ipv6
I'm trying to enable eigrp for ipv6 in packet tracer but is seems to only have ospf and rip for ipv6.
Is this a recent limitation?
0
votes
1answer
52 views
Configure RIP routing for 2 routers and 1 L3 switch
I'm trying to configure RIP routing between the 2 routers and 1 L3 Switch.
My Router0 configuration -
f0/0 = 172.17.10.1
f0/1 = 172.16.10.11
Router#sh run
Building configuration...
Current ...
1
vote
1answer
45 views
ACL not blocking IP or ICMP packets out of an interface
I created this network to do some general practice. Every host on the network can ping every other host. The routers are just using a basic RIPv2 configuration. All of the interfaces can ping all the ...
1
vote
2answers
65 views
How does packet tracing deterministically work?
If a packet can take any route, how can you iteratively figure out the path from you to a host?
From what I can tell, packet tracing works on the basis that
packet_i takes a the route: route(...
2
votes
1answer
236 views
Is it possible to write route in Switch 2960?
Is it possible to write route in Switch 2960?
In my Cisco packet tracer, I add several 2960 switches in my topology.
I set a SVI in Switch0,
Vlan100 10.10.10.2 YES manual down down
but I ...
2
votes
1answer
79 views
Do switches procrastinate until they have received a whole packet?
In Cisco packet-tracer while simulating it is shown that switches receive a whole packet before starting to transmit it to the next switch. I guess real switches can perform better if they forward ...
0
votes
1answer
135 views
When server has 2 NIC, device from one network can't ping another [closed]
I've successfully completed the network design and everything worked just fine until I tried to ping the computer on the edge. Well, Master server "sees" the connections on both lines, but when I try ...
1
vote
2answers
289 views
Difference between various network simulators
What are the main differences between GNS3, Cisco Packet tracer and EVE-NG?
Detailed explanations would be appreciated.
2
votes
1answer
73 views
How do I know what is the origin IP if I ping from a router to a host of an external network in packet tracer?
When we ping from a router to a host in an external network, how do we know what is the origin IP of the packet?
I searched and I didn't find a way to select which interface is the starting point of ...
1
vote
1answer
1k 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
vote
1answer
167 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 ...
2
votes
1answer
353 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
2
votes
1answer
863 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....
3
votes
1answer
363 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 ...
1
vote
1answer
1k 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 ...
0
votes
1answer
190 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 ...
1
vote
1answer
119 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 ...
0
votes
1answer
110 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 ...
2
votes
1answer
294 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?
0
votes
1answer
176 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 ...
1
vote
0answers
281 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 ...
1
vote
2answers
180 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 ...
0
votes
1answer
74 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
...
0
votes
1answer
22 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 ...
3
votes
1answer
271 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 ...
