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hello, i have some question on how the packet is transmitted. (i'm a newvie in this area, so my question might sounds too simple. but i need your help) for example, when computer, A pings to B, the first step of this process is that A sends out ARP packet. So, if B is on the same network, A...

hi there. i have some question about WLAN roaming and WEP-activated AP; can a user roam one AP to another if WEP is activated?

hello, can anyone tell me whether or not the following network design is problematic; i have one router configured to have 2 subnet interfaces. Say, one interface is 10.1.0.1/16 and the other 10.2.0.1/16. And, one PC(10.1.0.2) is connected to 10.1.0.1 interface. And, L2 switch is connected to...

hi, i have some question related MAC address. i'm working networking device maufacturing company, and developed a L2 switch. but, our L2 switch seems unable to communicate its Gateway with certain MAC addresses; we connected our L2 switch to L3 switch (this is commertial product from a...

Hello. Can I get some help about a question related to Port-status-change of STP. I was wondering if Port-status-change (Listening-> Learning-> Forwarding or Disabled/Blocked) is only applied to a STP-enabled switch. If STP disabled or w/ non-STP switch, shouldn't the port-status-change occur...

Hello, Someone help me.. When implementing the routing protocol of OSPF, "ospf abr-type" is used. I cannot clearly see what this command is for. And followed by 'ospf abr-type', 'IBM, Cisco, standard or shortcut' is put. How different are between standard and shortcut? Thank you in...

Hello Someone, please help me. I wonder if it's possible to use ADSL and VDSL together on one telephone line to the subscriber. We'd like to introduce VoD service using VDSL technology. But, the telephone company is providing one physical line as well as internet service using ADSL technology...