Useful tips for everyday
How do I access my 8080 port? Use the Windows netstat command to identify which applications are using port 8080: Hold down the Windows key…
How does a router know where to route packets? When a router receives a packet, the router checks its routing table to determine if the…
Why is my network connected with problems? There are a lot of possible reasons for why your internet isn’t working. Your router or modem may…
When a static route is set up routers communicate their routes with each other? The router learns the next hop for packets by one of…
Why is Wireshark not displaying packets? A problem you’ll likely run into is that Wireshark may not display any packets after starting a capture using…
What is DHCP with fallback? With the fallback IP configured, if the EAP fails to get an IP address from a DHCP server within 10…
How do you detect a SYN flood attack? What Are the Signs of a SYN Flood DDoS Attack? The three-way handshake is initiated when the…
How do I test a port on a switch? Disconnect the Ethernet cable from “LAN 1” and plug it in to each of the remaining…
How do I troubleshoot a VLAN problem? How to Troubleshoot a VLAN Configuration The first thing you need to do is to make sure that…
How does dot1x authentication work? How 802.1x authentication works The client may send an EAP-start message. The access point sends an EAP-request identity message. The…