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 …
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 standard 100m …
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 your posts.
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 …
How 1gbe works in full duplex? [duplicate] - Network Engineering …
1gb Ethernet works in full duplex and the maximum theoretical throughput is 2Gbps. Every pair gives 250 mbps in both directions. How it can work in full duplex on the one pair?
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 domains like a public …
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 end nodes. 64 …
Do network adapters read incoming bits in a single stream?
Oct 18, 2018 · This is an excellent point--probably the most appropriate answer for the question. I might add that as you get to really high speeds (fiber) they are generally restricted to a single sender and …