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 …
How common is fragmentation at tunnel ingress, compared to …
Jan 17, 2026 · As far as I know there are three options to deal with large packets that do not fit an on-path tunnel: let the tunnel ingress fragment the packet, and the tunnel egress reassemble …
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
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 …
RDP Dropping When TTL Changes From 127 to 63
May 21, 2024 · The returning ICMP Echo Reply TTL shows the pinged node's initial TTL minus the path decrements. When the TTL jumps like that it indicates different paths or even different …
Newest 'split-tunneling' Questions - Network Engineering Stack …
Dec 14, 2017 · Q&A for network engineers For questions about Split Tunneling, where it is a computer networking concept which allows a mobile user to access dissimilar security …
Finding IP Addresses for Social Network Sites
To block an unacceptable website you would normally use a proxy server or web filtering firewall. Either by forcing everybody to use the proxy and blocking the normal access to the web or use …
What are the differences between the Optical Carrier (OC) and ...
Jul 17, 2019 · OC3 and STM-1 are not equivalent. STM-1 is equivalent of OC-3c that concatenates three STS-1. The details of the frames are different.
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 …
Badges - Network Engineering Stack Exchange
Q&A for network engineers Badges Besides gaining reputation with your questions and answers, you receive badges for being especially helpful. Badges appear on your profile page, flair, and …