Hi, I am having lot of confusion understanding STP Port roles.I know, How STP determines the root bridge, but having understanding in Root port determination, and designated/Non-designated ports.I have uploaded a topology, please see.1. In topology, ...

Hi,I want to know, Why do we use WAN protocols instead of ethernet, apart from cabling limitations?Also, how exactly WAN works, like How the router forwards the packet over the WAN? e.g using pppDo WAN protocols also rely on TCP for guarantee deliver...

Basically, A Native VLAN carries untagged traffic on a trunk line.A trunk line allows mutiple VLAN traffic ( tagged traffic). So Why Native VLAN exists on a trunk.Why Native VLAN was created?I'm pretty confused up with VLANs.