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 …
6 days ago · 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 …
Server does not send FIN ACK response, but instead ACK with "out …
Nov 4, 2025 · This "weird ACK" with a sequence number one higher than the received FIN is the acknowledgement for the FIN. This is how TCP is supposed to work. So there is nothing weird …
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
'cisco-2960' tag wiki - Network Engineering Stack Exchange
Q&A for network engineers For questions about or involving the Cisco 2960 Series switches. This includes the newer versions like 2960S, 2960X and 2960XR.
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 …
Jonathan Braian Teixeira Pagan - Network Engineering Stack …
Q&A for network engineers
routing - Default Route Excluding VLAN on HP switch - Network ...
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 switch
Palo Alto Firewall: Why is double NAT needed?
Apr 29, 2021 · Double-NAT is not needed, and it should not be used. Routers need to know where to send traffic. Routers inherently know about directly-connected networks, but the need …
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, …