Does a SDN controller requires the network or network device it …
Mar 12, 2026 · (I'm a developer about to use a SDN controller (OpenDayLight), and not a network specialist. My question might be naive) I have to get (and later to set) the attributes of a given …
layer2 - Network Engineering Stack Exchange
Aug 6, 2022 · MTU mismatch scenario, two hosts handle in a different way ingoing packets bigger than local interface MTU. How does MTU really work?
routing - Default Route Excluding VLAN on HP switch - Network ...
Jul 17, 2024 · 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 …
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 …
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
4507r Supervisor engines aren't operating redundantly
The tl;dr : I have two supervisor engines in a 4507r but the standby unit doesn't appear to be ready to perform when the active module dies. On Sunday I had a network problem that appeared to be ISP
network - How to interpret traceroute results? - Network Engineering ...
Sep 23, 2023 · I know that it displays the RTT of hops. Not exactly. ping and traceroute display the round-trip time for ICMP echo request and ICMP TTL expired in transit alone. The difference to …
How IP helper address works? - Network Engineering Stack Exchange
May 23, 2017 · How IP helper address works and what is the difference between dhcp and IP helper-address .please explain in brief.
Firewall placement - Network Engineering Stack Exchange
May 27, 2020 · Most diagrams I come across are as follows: ISP > router > firewall However, wouldn't you want a firewall before the router to protect the router? E.g ISP > firewall > router