Questions tagged [mac-address]
A Media Access Control address (MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment.
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Proxmox Unallowed MACs forwarded from client
My server is blocked by the provider due to unauthorized MAC addresses are originating from the host. However, Proxmox and the Windows guests are not using the MAC addresses.
The following command on ...
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Ways to find out what the Destination MAC address should be on AWS EC2?
I have an AWS EC2 instance, running Amazon Linux 2023, and I want to send UDP packets (using IPv4) to arbitrary destinations on the internet, and in my use case, I have to manually insert the source ...
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RHEL9 subscription-manager cannot differentiate my original VM and the cloned VM
I have a registered RHEL9 VM and recently I have cloned a copy of it by restoring from the latest Veeam backup.
Then I changed the IP, gateway, also /etc/hosts file and regenerate /etc/machine-id file ...
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Linux : trouble with bonding and MAC addresses
I had network problems lately (running Debian, but not specific to any distro, see below using direct /sys manipulation), and I discovered that the source of my woes was that two servers with bonded ...
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Two MAC addresses on a single network, and on a single computer (NEW TWIST OLDISH QUERY)
I have found many questions addressing how there CAN NOT be two exact MAC addresses on a network, technically in the world. The similar example is the postman, and having two houses with the same ...
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Tracking the network traffic from an unknown MAC address on WIFI [closed]
I have a MAC address on my WiFi network that I do not recognize.
The unknown device asks for, and receives, an IP from my dhcp server.
I tried the following to find out the origin:
All my devices (...
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How to find HA interface mac address in Fortigate?
We have two Fortinet and HA them. In "primary" I can see the Mac address for all interfaces easily in Network -> Interfaces -> Edit Interface. but I can't find the Mac address for &...
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Blocking all trafic except legitimate router
In the business centre where I work, all clients are on the same network.
The Internet <--> building router <--> building network (including rogue DHCP, etc) <--> my router's WAN ...
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network does not work for VM after a while, only resolves after changing MAC
I have installed pfSense as a KVM guest in a Debian 11 host using libvirt.
The host has two interfaces. One is attached to the VM using macVLAN driver, and serves as pfSense's WAN interface. The other ...
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netplan mac address matching doesn't seem to work
I have a small pc box that only have one network interface, and since I needed 2 more interfaces, I've bought two usb network cards. Both same manufacturer. I wanted to rename interfaces (since they ...
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Debian: Where does a bridge interface store its MAC address and how can I change it?
I have reinstalled a computer and since I need several similar computers, I duplicated the hard disk with dd. On the target systems I have adjusted /etc/hosts, /etc/hostname and /etc/network/...
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Filtering traffic by MAC - nftables
TL:DR : I am building a network tap with a raspberry-pi that must remains stealth. I have a bridge (br0) between the switch interface (eth0) and the workstation (eth1).
Here is how i am building it (...
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Network is gone when I start arp spoofing [closed]
So for context I have two virtual machines one is running on kali linux which is the "Hacker's" machine and the other one is running on windows 10 pro which is supposed to be the victim's ...
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Router forces to use netcard's hardware mac
I'm trying to connect to a network that manages device connections by it's mac.
So, I want to connect a device, which has no interface to connect it properly by itself
I decided to use a different ...
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Can pre-assigned IP addresses be preserved when using wi-fi extenders?
I'm considering using a wi-fi extender.
It will work fine for lap-tops, tablets, etc. that need a connection but don't need a fixed DNS entry with preassigned IP addresses.
But wi-fi extenders modify ...
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