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 …
Server does not send FIN ACK response, but instead ACK with "out of ...
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 here, …
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 …
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
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
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 …
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?
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 …