Questions tagged [ping]

For questions about Packet INternet Groper [PING].

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1answer
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linux ping mtu and fragmentation

I've been experimenting with the ping utility on Linux. I set a mtu of 500 bytes on my router. Now, when I ping to an external host, I get the following output: ping -c 3 -s 1300 10.0.2.1 ...
0
votes
1answer
36 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 ...
3
votes
1answer
575 views

Ping unlocks ipsec vpn

I have a ipsec vpn with a foreign company, this connects my network with their network and they have a different ip subnet. Ipsec is made by a pfsense gateway/firewall. I'm sure it is well configured,...
4
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2answers
39k views

Difference between ping timed out and destination host unreachable

I'm pinging from a Windows Box to a device that I rebooted. PS C:\Users\administrador> ping 192.168.2.10 Pinging 192.168.2.10 with 32 bytes of data: Control-C PS C:\Users\administrador> ping -...
1
vote
0answers
17 views

How can I find a VPN that can improve my ping towards a specifing server? [closed]

I am located in Osaka, and I'm playing an old game (Quake Live) but the only server reachable that is still alive is located somewhere in China (IP 120.76.221.244). I get about 140 ping which is ...
2
votes
2answers
54 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
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0answers
21 views

Getting less pings received than expected when using port mirroring

I have put port monitoring on a cisco 2960 switch Switch(config)#monitor session 1 source interface fastEthernet 0/1 - 23 rx Switch(config)#monitor session 1 destination interface fastEthernet 0/24 ...
2
votes
1answer
1k views

Sonicwall TZ105 Site to Site VPN Created can ping gateways but can't ping network from other site

Need help here Site B TZ105 x0 Lan 192.168.162.1 X1 WAN 64.x.x.x X2 LAN 10.0.3.1 Site A TZ300 X0 LAN 10.0.1.1 X1 WAN 69.x.x.x VPN tunnel set up as VPN SITE TO SITE and is Green From Site A I ...
1
vote
1answer
147 views

Switch cannot ping server

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 ...
1
vote
0answers
19 views

PING being sent to different IP address [closed]

I'm attempting to communicate a device on my LAN, which (should be) IP address is 192.168.250.40 When I PING 192.168.250.40 I get: Pinging 192.168.250.32 with 32 bytes of data: Reply from 192.168....
0
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2answers
18 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
7k views

ping in pure layer 2 LAN [closed]

How can I ping a specific IP on a network which only contain switches while switches as far as I know don't understand IPs but only MAC!
3
votes
2answers
831 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
votes
2answers
67 views

Pinging my own pc

Lets say that private address of my PC is 192.168.5.5 What would be the difference between ping 192.168.5.5 and ping 127.0.0.1 I know that the output in the command prompt is the same, but, ...
0
votes
1answer
25 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
votes
2answers
88 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
votes
1answer
7k views

Wireshark No response seen sending ping request

I'm building my own packets and sending them through a raw socket. The packet is apparently A-OK, but I'm not getting any replies. Sequence block is generated with a for loop. Identifier block is ...
0
votes
1answer
47 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
55 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
votes
1answer
51 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. ...
21
votes
7answers
7k 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 43.224.226.50: dele-MBP:~ ll$ traceroute 43.224.226.50 traceroute to 43.224.226.50 (43.224.226.50), 64 ...
0
votes
1answer
122 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
votes
2answers
88 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 ...
0
votes
1answer
45 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
votes
1answer
56 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
votes
1answer
58 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
votes
1answer
61 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 ...
3
votes
2answers
52k views

dont fragment bit PING TOOL

Actually my machine wwan0 MTU is 1500 ashokkrishna@ashokkrishna-Lenovo-B560:~$ ping -s 1490 example.com PING example.com (93.184.216.119) 1490(1518) bytes of data. 1498 bytes from 93.184.216.119: ...
2
votes
1answer
486 views

GNS3: No Response When Pinging Router Connected on Second Serial Interface

I'm attempting to set up a network with 3 Routers. A "West" and "East" router are each connected to a "Central" router via a PA-4T+ serial interface. The first interface (s1/0) on the Central is ...
2
votes
3answers
24k views

If you can't ping an ip address this means nothing in regards to dns right?

If you can't ping an ip address since you are not resolving a canonical name this has nothing to do with dns and only has to do with the inability to reach that machine (routing) right?
2
votes
2answers
784 views

ARP table is not updated with NMAP

Here is what I do and what happens : Let assume I have a device A with IP X.X.X.200 connected to the network I use Nmap to ping my local network, with the command "nmap --send-ip -sP 192.168.1.1/24" ...
1
vote
0answers
20 views

Why can't I reach mail.google.com, translate.google.com and chrome.google.com? [closed]

I'm experiencing trouble trying to connect to Google. This is the case both through any web browser, and ping from Command Prompt. The trouble is limited to: Laptop devices but not Mobiles my home ...
0
votes
1answer
263 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 ...
11
votes
4answers
33k views

Interpreting TTL in ping results

I work for a VoIP service provider and I am working an issue with a customer who has a cable internet connection that's throwing me for a loop. He has a single block, which we'll pretend is 70.141.15....
3
votes
4answers
19k views

Cant ping across router?

I am trying to set up communication across a network, and I have run into a bit of a problem. In the diagram below, why is it that I cannot ping host 2 from host 1? Router 1 has interfaces on both ...
0
votes
0answers
62 views

Wireshark switch ping

I understand that a switch will broadcast to all ports if it doesn't have the destined destination in its mac address table but when I analysed a scenario in wireshark I got confused at what happened. ...
2
votes
1answer
1k 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'...
0
votes
0answers
95 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 ...
1
vote
3answers
2k views

My first IPv6 ping fails

I have some dual stack websites. When I open my websites they connect using IPv4 the first time, and then IPv6. If I ping the IP address directly, the first ping fails for IPv6 and then works fine. ...
5
votes
3answers
685 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
votes
1answer
114 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
124 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 ...
3
votes
4answers
5k views

Are ping-times directly related to location/distance?

Suppose I want to determine if an IP is located in my country, without a third-party servvice. Could I estimate that to a certain degree by measuring ping times? Or is it better to look at the number ...
6
votes
2answers
4k views

What would happen to Ping if two PCs have same IP address with same Subnet Mask on same network?

If there are two PCs with same IP address on a LAN, what would happen if I ping that IP address from another PC on the same network and why?
1
vote
1answer
2k views

arping with mac address fails

I cannot get arping to run if I give a MAC address. If I use IP address, it works fine. Does anybody know what the problem is? 1. arping -i <ifname> xx:xx:xx:xx:xx:xx arping: Unable to get ...
2
votes
2answers
602 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
91 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 ...
3
votes
2answers
362 views

Why R1 is not reachable to R3?

I didn't configure any routing protocol to any of the router and tried to apply static routes in order to get out of the network and I've configured static routing in a manner that if R1 sends a ping ...
1
vote
1answer
295 views

Trying to figure out why Serial0/0/0 can't be pinged

Here's the setup: R1 -> R2 | |--> R3 R1 has 2 serial interfaces - Serial0/0/0 (10.0.0.1) is connected to R3 (Serial0/0/0 - 10.0.0.3), and Serial0/1/0 (10.0.0.4) is connected to R2 (Serial0/...
2
votes
2answers
1k views

PC can't ping router 2 hops away (home lab)

To give some context, here is my setup: ----(10.0.0.1 - S0/0/0) R1 (S0/1/0 - 10.0.1.1)---- | | | | ...