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  1. 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 …

  2. VirtualBox: Unable to connect via IP to a MikroTik (Host-Only)

    6 days ago · I ran into a problem when configuring a MikroTik CHR virtual machine in VirtualBox with two network adapters, after which it is not possible to access it via an IP address via a Host-Only …

  3. 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 …

  4. 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

  5. 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 …

  6. 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.

  7. 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 …

  8. 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 …

  9. 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?

  10. 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