All Questions
22
questions
0
votes
0
answers
74
views
ARP request is successful, but TCP SYN is not visible in output of Wireshark
I was redirected from Network Engineering, hopefully below is in scope of on-topics.
I have a TCP server, its properties are the following:
It runs within a virtual machine (VMware).
The host OS is ...
0
votes
1
answer
2k
views
Is it normal to see "excessive" ARP requests from cable modem?
I'm troubleshooting my home network because we are having frequent outages and slow connections. Very often the ASUS Wifi router shows that it has no WAN IP address. To view what might be going on I ...
- 139
0
votes
0
answers
245
views
Every second an unknown MAC address sends an ARP probe
I just inherited a network and found something I can't say I've seen before.
About every second (sometimes longer, sometimes shorter) a MAC address that I can't find anything about sends an ARP probe ...
- 1
0
votes
0
answers
114
views
Unusual amount of ARP who is on WLAN form unknown IP
I am seeing a unusual amount of ARP traffic on my Wireless network. My wireless network is on the subnet 192.168.1.0/24 but the ARPs are coming from 10.215.0.1 which is not in my subnet. It is also ...
- 129
0
votes
0
answers
448
views
Why keeps my Virtual Machine sending ARP messages in internal network?
Following setup:
Windows 10 host system runs 2 Ubuntu 20.04 Virtual Machines from VirtualBox. Both the VMs have their network adapter set to "internal" mode, which means only an internal ...
- 1
-1
votes
2
answers
281
views
Laptop keeps disconnecting from WiFi (Netgear WNR614 N300)
So my laptop(Ubuntu 20.04) keeps DC'ing from my WiFi. But my phone is properly connected to it and so is my amazon fire stick.
I ran wireshark to check the problem and there seemed to be an ARP issue.
...
- 9
0
votes
0
answers
474
views
Correlation between DHCP and ARP
Can someone explain why there are so many ARP packets broadcasted from my client? And why is looking for my DHCP server?
- 1
1
vote
0
answers
162
views
My pc sends 14000 arp requests in 5 minutes to a single pc on the network
I am currently checking my network traffic on my home network using wireshark.
I have noticed that my pc is continuously arp requesting a pc on the network with 192.168.1.20 but like 14000 times in 5 ...
- 11
6
votes
1
answer
1k
views
Why does the 2nd ARP request wait until the pings are over to show up?
This problem was presented to me by one of my professors because it only happened after switching from 100Mb cards to Gigabit NICs. The second arp request that comes from the computer being pinged (to ...
- 61
0
votes
1
answer
51
views
Is it normal to have a device on the home network broadcasting ARP all the IPs on the network?
I'm using Shark to scan my home network, and i noticed that a tablet is broadcasting, ARP protocol to all available IP on my network. Would this be a malicious attack from an app that i installed?
0
votes
1
answer
129
views
Is there a possibility to change protocol type in ARP packet?
I'm sniffing ARP packets in Wireshark and wondering what exactly means filed protocol type.
The field is always 0x0800 for IPv4. Is it the same for IPv6?
Is there a possibility to change the value ...
- 205
0
votes
0
answers
231
views
After some time has passed, no ARP requests from any device get an answer over Wi-Fi
I've been having this problem for years but only today I finally found a track to pursue the solution.
Basically, in my house, whenever a device is connected to any of my WiFi networks, after some ...
- 11
2
votes
0
answers
742
views
ARP requests sent on different subnets
I am quite confused with an experiment I made at home. I have two computers, say A and B:
A and B are connected (ethernet) to the same private network (with a gateway to the internet) 192.168.1.99/24 ...
- 165
2
votes
2
answers
7k
views
What causes dropping of ARP response packets in a wireless network?
I have a network of wireless access points (APs) in my local area network (LAN).
Some PCs in the network can get ping responses from some other PCs/devices in the network but not some others. I have ...
- 347
0
votes
2
answers
1k
views
Duplicate IP address Telnet and ARP
I have 3 hosts (PC1, PC2, and PC3). I set the IP addresses for PC2 and PC3 to be 10.0.0.2 and PC3 to be 10.0.0.1. I telnet from PC1 to 10.0.0.2. I then am logged in to PC3. I can see in Wireshark that ...
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