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  1. 1028

    packet transmitting-ARP, Gateway

    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...
  2. 1028

    is Roaming possible with WEP-enabled APs?

    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?
  3. 1028

    Network design

    at the original diagram, i was also trying to picture diagram using only 2 subnets... and, yes, utilizing just 3 subnets is the right way to do. but, i'm curious if THREE routing interfaces in the same subnet are connected to each other, can routing occur properly? so, on my second diagram, will...
  4. 1028

    Some MAC unable to Communicate

    is the reason why each port has its own MAC assigned that each port can be assigned its own IP address? so, if the switch can have only one IP address configured, should i still need each MAC for each port? if so, why?
  5. 1028

    Network design

    thank you, JimmyZ. however, it still doesn't answer to my question. as you commented, say i used 24-bit mask. then, it would be like this; Router(10.1.0.1/24)----PC1(10.1.0.2) (10.2.0.1/24) | L2 Switch(no ip)---routerA(10.2.0.2/24)---PC3(10.2.0.4/24) | routerB(10.2.0.3/24) | PC2(10.2.0.5/24)...
  6. 1028

    Network design

    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...
    • 1028
    • Thread
    • Replies: 6
    • Forum: Cisco
  7. 1028

    Some MAC unable to Communicate

    the switch is using only one MAC for the entire ports. and, the switch has its IP assigned.
  8. 1028

    Some MAC unable to Communicate

    i changed the switch's MAC; we made our switch so that we can configure the MAC on its CLI prompt; it might be sound odd, but at this development stage, we need to do this way. thank you.
  9. 1028

    Some MAC unable to Communicate

    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...
  10. 1028

    STP - Port status

    Yes, we have a switch whose ports are going through listening -> learning even though STP is disabled. And, since ports are going through these states, if once a cable diconnected and then re-connected, it seems to take more time to be able to communicate data. So, I can conclude that the...
  11. 1028

    STP - Port status

    Hello. Thank you for your explanation. I understand. But, please let me ask further; I have a switch (not cisco's) whose ports are going through Listening and Learning status unless forward-delay parameter is set to zero whether STP is enabled or not. If Listening and Learning status are only...
  12. 1028

    STP - Port status

    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...
    • 1028
    • Thread
    • Replies: 5
    • Forum: Cisco
  13. 1028

    OSPF - what's "abr-type"?

    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...
    • 1028
    • Thread
    • Replies: 0
    • Forum: TCP/IP
  14. 1028

    VDSL over ADSL

    Hello Let me ask further.. As you say, ADSL and VDSL are two different types of DSL technology which transmit data on a copper line. Whether it is ADSL or VDSL, the same copper line can be used. If so, say we connect one ADSL and one VDSL equip. to one copper line. Then, why can't we use...
  15. 1028

    VDSL over ADSL

    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...

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