Why the FF:FE in EUI-64? - Network Engineering Stack Exchange
Dec 6, 2016 · EUI-64 IPv6 addresses are generated from MAC addresses by taking the network prefix (64 bits) and appending the first half of the MAC address, then FF:FE, then the second half of the …
layer2 - Network Engineering Stack Exchange
Aug 6, 2022 · MTU mismatch scenario, two hosts handle in a different way ingoing packets bigger than local interface MTU. How does MTU really work?
User Roy Latham - Network Engineering Stack Exchange
Feb 26, 2025 · Q&A for network engineers I am a MS SQL Server DBA and Developer. I have also worked on Sybase and Oracle. I have Virtual boxes for the above plus MySQL and PostgeSQL. I …
routing - Default Route Excluding VLAN on HP switch - Network ...
Jul 17, 2024 · I have configured HPE 5710 Layer 3 switch with multiple vlans. The Default Static Route displays it's interface as Vlan10, I am able to ping 8.8.8.8 from addresses in that vlan, including the …
Does a SDN controller requires the network or network device it …
Mar 12, 2026 · (I'm a developer about to use a SDN controller (OpenDayLight), and not a network specialist. My question might be naive) I have to get (and later to set) the attributes of a given …
Need Advice - 140m Ethernet Run Between Buildings
Aug 2, 2025 · I'm facing a technical challenge and could really use your expertise. I need to establish a wired network connection between two points 140 meters apart - well beyond the standard 100m …
cisco - Fiber dBm transceiver power level at warning - Network ...
Apr 2, 2020 · We have cisco nexus 9000 and one of 40G interface showing port transceiver power level at warning when i check on command line i found following. Question: what is the normal power level …
Allied Telesis AT-9424T/SP stuck in bootloop
I’m facing a boot loop issue with my Allied Telesis AT-9424T/SP switch. After powering it on, the system initializes and attempts to decompress the application image, but it eventually throws an
RDP Dropping When TTL Changes From 127 to 63
May 21, 2024 · Currently when connecting to our work server through VPN and RDP the RDP connection drops every once in a while and then comes back. I started a continuous ping to the …
4507r Supervisor engines aren't operating redundantly
The tl;dr : I have two supervisor engines in a 4507r but the standby unit doesn't appear to be ready to perform when the active module dies. On Sunday I had a network problem that appeared to be ISP