
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 …
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 to be told …
wireless - What is the difference between "Client Mode" and ...
Jul 29, 2016 · The difference between an independent bridge and a "client AP" is (poorly) explained in mode 5 description: These units are wireless driverless clients. It means that a terminal using an …
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
ARIN Ip database - Network Engineering Stack Exchange
Mar 30, 2016 · NE is a site for to ask and provide answers about professionally managed networks in a business environment. Your question falls outside the areas our community decided are on topic. …
Cisco Smart Licensing on Catalyst 9200 - Network Engineering Stack …
Aug 18, 2019 · The 9K switches can have various lengths of licensing (3, 5, 7, 10 years). We have found some problems with the 9200 that seem to work well with the 9300, but for simply layer-2 switching, …
switch - Network Engineering Stack Exchange
Mar 2, 2016 · If PC1 sends an Ethernet frame to Switch1 which forwards the frame to Switch2 which in turn forwards the frame to PC2, does any decapsulation happen that changes the source MAC …
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
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 …
Disable "ip redirect" Cisco 3750 - Network Engineering Stack Exchange
I am experiencing high CPU utilization on a Cisco 3750. After consulting with Cisco TAC, it seemed we get a lot of icmp request that the switch redirects so asked what if I disabled the "ip redirec...