All Questions
24
questions
0
votes
0
answers
99
views
Libvirt guests on isolated network cannot ping each other
I am trying to create a network with following topology. Because I need a custom Gateway and the network is small, I do not want to use DHCP on the isolated network.
┌─────────────────┐ ...
- 13
0
votes
0
answers
1k
views
Network configuration issue: domain resolving to wrong IP address on M1 MacBook Pro
I have a strange network configuration issue on my M1 MacBook Pro running macOS Ventura 13.2.1.
When I try to ping or access the my development domain example.com (domain is an example, dns settings ...
- 1
0
votes
1
answer
811
views
Why do I get "Destination Host Unreachable" on the same subnet, pinging a secondary IP address?
I have two AWS EC2 instances (RedHat 8), sa216p and sa216t, connected to the same subnet 172.31.80.0/20. Primary IP addresses are assigned to them by the EC2 DHCP, 172.31.84.105 and 172.31.92.210 ...
- 103
0
votes
2
answers
897
views
arp -a not reporting all devices on network on MacOS
I come across this issue consistently, and have for quite some time with different computers and OS versions. I first run a broadcast ping over the IP range, eg, 192.168.0.255. However arp -a still ...
- 187
0
votes
1
answer
2k
views
How is ARP reply generated from Windows 10? Sending ARP req from embedded device through ethernet port to windows10 on laptop
I want to send an ARP request using my embedded device through the ethernet cable to my laptop that has windows 10 on it.
I want to receive an ARP reply from windows back to my embedded device through ...
- 5
1
vote
1
answer
3k
views
Bridged VirtualBox VM cannot ping LAN, duplicate IP for guest and host
Host: Windows 10 64-bit
Guest: Ubuntu 16.04 32-bit
Networking: Wireless. Home network.
Host can ping Guest, and Guest can ping Host. Guest can also ping router. However, when I ping from my Guest ...
- 111
0
votes
1
answer
257
views
FreeDOS does not answer ARP
I have 2 VirtualBox virtual machines with freeDOS (1.2) as guests, and I am trying to have network connection between them.
For a start I am trying to have connectivity between one of the machines ...
- 111
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
2
votes
0
answers
793
views
WiFi Range Extenders, and Failing ARP requests
I'm working on a network, as outlined below - a BT HomeHub 5, and a Netgear EX6150 WiFi extender. There are other points on the network though I've left them out for brevity, and all of the pink ...
- 20.2k
1
vote
1
answer
1k
views
Force local network traffic through the switch
I have a machine with three network cards. One card is connected to a WAN and the other two cards are connected to the same switch with the same subnet (192.168.1.0/24). What I want to do is send data ...
- 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
1
answer
101
views
Unable to send ping from host A via B to C
There is a network of three computer.
Problem: Host A (192.168.1.1) can send ping to host B (10.10.0.5, also 192.168.1.2), but can not to send C (10.10.0.6, 10.10.0.7).
Host A say: "10.10.0.6 = ...
- 21
0
votes
1
answer
708
views
I have a wonder for ARP echo issue
I am studying for network and I have a question for ARP echo issue.
I use Wireshark for packet capture, and I OS is windows 7.
contents
ARP Basics
ARP stands for Address Resolution Protocol. When ...
- 3
3
votes
3
answers
770
views
Quickly detect via MAC if entities are present on a network?
Is there a fast and reliable way to use a device's MAC address to determine if it is currently connected to a network from a Windows PC/Server? If not, then from an Ubuntu server?
arp -a doesn't work ...
- 133
2
votes
0
answers
19k
views
Why can't I ping while I can see in ARP?
There are several questions asked the same way; I have been trying various solutions for 3 days with no luck; that's why I am asking from scratch.
I have a wireless router and a wireless access point ...
- 21