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 …
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 a firewall …
Why is broadcast used at the DHCPREQUEST step?
Mar 6, 2018 · This is the process of DHCP operation, My question is at the 3rd step why does the Client send a Broadcast and not a Unicast as after the previous two operations the address of the DHCP …
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.
Can't Upload New ASA Image (I/O Error)
Either the CF card is damaged or the filesystem is corrupt. Note, the 5510 has two CF cards; one external, and one internal. The internal one is where the platform license information is stored, so if …
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.
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 …