Questions tagged [ping]

For questions about Packet INternet Groper [PING].

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cannot ping in private network after changing IP [closed]

I have two devices in my private network. One computer has IP 10.42.0.1 the other has IP 10.42.0.173. I can ping from one computer to another and vice-versa. If I want to change IP from 10.42.0.173 ...
0
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1answer
40 views

Ping to default gateway failing

I am trying to ping to a default gateway which i have configured as 171.2.0.1 but somehow the ping is failing . I am new to network domain so i have less idea about it . Any help is appreciated .This ...
0
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0answers
23 views

Simple chat program between machines in 2 countries [closed]

I want to get a practical experience in Networking (I have read the basic theory), hence I decided to establish communication between 2 hosts (in different countries) connected to the Internet. This ...
0
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1answer
21 views

Static Routing - host to host ping does not work (MikroTik)?

I'm trying to do static routing using actual devices. Below is my setup: The left router is a MikroTik RouterBoard hAP lite. The right router is a MikroTik RouterBoard hAP ac. I want to ping from ...
0
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2answers
51 views

Why does ping interval affect latency?

The following article on Google Cloud describes measuring latency, and uses ping and netperf. https://cloud.google.com/blog/products/networking/using-netperf-and-ping-to-measure-network-latency It ...
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2answers
51 views

Bandwidth, Latency, Download speed and Upload speed

In the midst of trying to diagnose a slow vpn issue, I'm getting a bit confused by the various metrics being mentioned by the many different techs I've been speaking with. From what I understand, ...
-1
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3answers
222 views

Confusion about TTL when pinging

TTL value of a packet is supposed to decrease 1 at each router from 255 down to zero as follows: But when I ping to 8.8.8.8 the TTL starts at 253 and doesn't change: How can this be explained? Why ...
3
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2answers
126 views

Confusion about MTU

I am studying about IP fragmentation and MTU. What I know is MTU is the property of Physical medium, as in the amount of data it can process without having to fragment the data. The default MTU on ...
1
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2answers
154 views

How to check cable without ping?

is there any way to check if a network link is physically working, without using ping? Recently bought a Power-Line-Communication device, and I wanted to test if it works. Before pinging the machines ...
0
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1answer
25 views

Who can get ARP packets? [duplicate]

I'm new to networking. And as far as I understand about ARP messages, Alice can only send ARP to Bob if two are connected. But if Alice and Bob are connected to a router, but not connected to each ...
0
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1answer
36 views

HP5130: Cannot ping vlan interface

I have a really simple set-up but I still cannot find what is wrong. Sorry if duplicate, I searched and didn't find. I have a HP 5130 switch, I install 2 VLAN (30 & 42) + the VLAN 1 for ...
1
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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 ...
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0answers
28 views

Trying to establish stable connection, ping drops intermittent in PACKET TRACER

This was given by my friend and i cannot touch any of the configuration of the ISP router in the middle. but i have screenshots of routing table and interfaces. pinging the middle router from HOST A ...
0
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2answers
111 views

Specifying destination interface in ping commamd

is there any way to specify destination interface in ping command, like ping -i eth0(destination interface) host. I want to do this so that I can capture packets on host on specific interface ...
0
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2answers
550 views

Permit ping and traceroute and deny all other services using an ACL

my topology is shown below: I would like the networks that are connected to Hermes-Router to be accessible from all the other stations only when I use ping and traceroute. I tried to do this using an ...
7
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6answers
3k views

What happens with a ping when it enters a network? Is the router the one answering with a reply?

What happens with a ping when it enters a network? Does the router redirects it to one of the devices on the network, or it sends the reply itself? Device a1 from network A, with public IP adress P1 ...
0
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0answers
19 views

latency in the network layer and transport layer [duplicate]

We have several way to measure latency (ping command (ICMP packets), hping(TCP SYN), iperf..).What is the difference between measuring the latency in the network layer and measuring in the transport ...
0
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1answer
17 views

Ping time varies between two devices in the same LAN [closed]

I am trying to ping between two devices A [Server] and B[Router]. From A to B the average ping response is about 1ms and from B to A is 0.5ms which is half. As a result, if I scp a file to B, by ...
2
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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 ...
0
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1answer
52 views

What do the number of hops in traceroute show? [closed]

I carried out the tracert command on two different websites hosted in two different locations. I tried it on a website hosted in the UK which is where im located and also a website thats located in ...
3
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1answer
160 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
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3answers
72 views

TTL And Wildcard mask

I have two questions that i wanted to ask before. What is TTL?! I know that it's time to live for packet to die it count how many hops you jump in it every icmp but i don't know how it works and what ...
1
vote
1answer
76 views

Cannot Connect to one single ip address in VLAN

I have 3650 Switch which contain number of VLAN and I am unable to connect to one ip address from specific VLAN. But routing is properly configured and there is no ACL applied. Even end device has no ...
2
votes
2answers
164 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
431 views

Cannot ping PC directly connected to switch

I'm trying to configure a new subnet for my users. DHCP is configured on the switch SW1. The topology looks like this : SW1 <===> SW2 <===> PC There is an etherchannel + trunk link between SW1 ...
0
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2answers
36 views

Can 2 Directly connected PCs having the same network ID but different subnet mask talk? [duplicate]

If Pc1 has IP 192.168.10.2 / 24 ---> Network ID : 192.168.10.0 and Pc2 has IP 192.168.11.3 / 23 ---> Network ID : 192.168.10.0 directly connected (no switches no routers). Why cant i ping? But if ...
3
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2answers
1k views

Why I have higher ping to the VLAN interface than to other local interfaces

I wouldn't call it an issue, but I'm curious. On our Quanta switch we have a couple of VLANs and vlan interfaces accordingly. Let's say I'm on a computer in VLAN 10, if I do: ping 192.168.10.1 ...
0
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1answer
27 views

Can't connect to network printer while other's in the building can [closed]

I'm unable to connect to the shared printer in our business center. Every unit is on the same wired internet. The instructions state that I should do Run->\10.10.41.11 but then Windows says it couldn'...
0
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1answer
244 views

how to send tcp packets between 2 hosts on same network

iam using mininet network simulation tool and i need to send tcp packets between 2 host hosts are 10.0.0.1,10.0.0.2 ,i used the hping3 but is sends ip packets also i used this command hping3 -c 1 [...
2
votes
1answer
68 views

Is this possible (NAT??)

I have a device on another network, say it's IP is 10.1.1.1 I want to ping it from my own network, say host 192.168.1.1, but I want to ping an address in my local segment to do so,so 192.168.1.2. Is ...
0
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1answer
78 views

Ping error ipv6

I am able to ping a PC1 to R1, Pc2 to r2 and PC3 to R3. All routers can ping each other. PC's can also ping themselves but I can't ping different PC's, I also cannot ping a PC to their own Gateway. ...
0
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2answers
109 views

How to ping router from L3 switch

I am stuck in that that switch can't ping router and router can't ping switch. How to fix that ? I tried so much variants but them didn't help me Actually router must do static routing, that i am ...
24
votes
7answers
12k views

Why can I traceroute to this IP address, but not ping?

I have an IP address and can traceroute to it, but I can not ping. You see, I can traceroute 43.24.226.50: dele-MBP:~ ll$ traceroute 43.24.226.50 traceroute to 43.24.226.50 (43.24.226.50), 64 hops ...
0
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1answer
60 views

RIPv2 Routing not pinging between two serially connected routers?

I'm new to networking and am currently 6 months into a course for it so there may be some noob mistakes or really silly answers/questions here but bare with me. I have a task to setup RIPv2 routing. ...
0
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1answer
189 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 ...
0
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1answer
131 views

Route between two routers

This is the topology I'm working with. I'm able to ping from VPC_LAN_Ato VPC_LAN_B and trying now to ping from those lans to Router_2_Cisco. Here are the configurations for these 4 devices: ...
0
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1answer
183 views

Can't ping across router with two interfaces [closed]

This is the topology I'm working with. In the router, e0 is ether1 and e1 is ether2. LAN_A has a maximum of 96 clients. LAN_B has a maximum of 48 clients. VPC_LAN_A: ip 192.168.10.1/25 192.168.10....
2
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1answer
77 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
3answers
305 views

Why does Nmap not detect a host which is active and responds to Ping?

I have connected to another laptop via the LAN cable, i am able to access the services running on the other laptop via Ip & Port. When i Ping that Ip, the machine is successfully responding. But ...
0
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1answer
984 views

How to use ICMP to send message

I was trying to send ICMP package with Payload/Message on server_A to server_B(10.1.1.5) as following: ping -p 12345 10.1.1.5. but when I use Tcpdump to capture the ICMP package from server_A, I ...
5
votes
3answers
991 views

Understanding hubs and switches

Newbie here. I'm trying to understand how hubs and switches work. I read that hubs only forwards to all ports but a switch only forwards to the port it needs to. So, If I connect 3 computers to the ...
2
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1answer
261 views

Broadcast domains switches

If I connect 3 computers to the same switch and used one of the PC's to ping another PC on the switch will this cause a broadcast domain as they are connected to the same switch?
1
vote
1answer
518 views

Can i capture 127.0.0.0 and 0.0.0.0 network using wireshark?

Yeah, I've done capturing 127.0.0.1 ( loopback address ) using GNS . But it is possible to capture 127.0.0.0/8 and 0.0.0.0 direclty from any adapter on our device? Here is a network route of my ...
2
votes
1answer
5k views

If traceroute fails why does ping still work?

If I can ping a router successfully, why is it that when I do traceroute, it stops at a particular interface and says "ICMP type:3, code:3, Destination port unreachable". Doesn't that mean that it can'...
2
votes
2answers
2k views

Is “Host unreachable” the same as “Communication administratively prohibited” in Access List ping response?

Below is a portion of my topology. Faculty of Arts student subnet should not be able to ping Faculty of Arts staff subnet but the staff should be able to ping the student subnet. I know that this ...
2
votes
1answer
103 views

How to make PCs in the same LAN but on different networks communicate

Is it possible to ping PCs in the same LAN but on different networks? I've done RIP version 2 on all the routers. They all can ping each other. However, the PCs cannot. For example, when I try to ping ...
2
votes
1answer
96 views

IPV6 ping, the pinged address is different from the once caught by wireshark

I'm trying to ping an ECU, both PC and ECU have static IPV6 address the problem is that the target address (ECU) pinged is different from the one caught by Wireshark subnet : 64 ping command $ ...
1
vote
1answer
445 views

Switch cannot ping server [closed]

My switch won't ping my server. Both are directly connected with each other, and are in vlan 666. When I initiate a ping from my switch to my server, the switch sends ARP requests. Then the server ...
0
votes
1answer
304 views

traceroute and ping behaviour through cisco router

Trying to do a traceroute to a particular destination, the result seems that the destination is unreachable. But when i ping the destination, the destination is replying well. could anyone help to ...
0
votes
1answer
38 views

Pings are being swallowed by switch infrastructure until opposite ping is performed

Eleven layer2 managed NetGear switches. Have a strange problem in that some default OS install PCs are unpingable ( newDefaultInstall ) from host X until host X is pinged by the new machine. All ...

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