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  • 127.0.0.1 VS 10.0.0.1

    hi everyone pc1 have ip address 10.0.0.1 what is the difference between : ping 10.0.0.1 and ping 127.0.0.1 ?????
    Posted to CCNP (Forum) by major133 on 03-20-2017
  • Re: changing layer 2 address

    Hi r ob thank you very much
    Posted to CCNP (Forum) by major133 on 03-07-2017
  • changing layer 2 address

    Hi as you see into this picture when pc1 send frame to pc2 , src mac=0000.0000.0003 dst mac =0000.0000.0004 but why sw don`t change layer 2 mac address to be outgoing port f0/0 so when frame sent out from sw wiill be like this src mac=0000.0000.0003 dst mac=0000.0000.0002 ?
    Posted to CCNP (Forum) by major133 on 03-06-2017
  • Re: session layer

    mr / keith bogart thank you
    Posted to CCNP (Forum) by major133 on 03-01-2017
  • Re: error into this lecture

    Martinl your reply is really helpfull , i don`t know what i do if you don`t reply , very usefull reply
    Posted to CCNP (Forum) by major133 on 02-26-2017
  • Re: error into this lecture

    thanks Martinl
    Posted to CCNP (Forum) by major133 on 02-26-2017
  • error into this lecture

    hi we know that OSPF and EIGRP is Layer 3 protocols (network layer protocols) why MR/keith bogart put them into Layer-4 protocols transport layer as you can see into this picture ? is this right or wrong?
    Posted to CCNP (Forum) by major133 on 02-26-2017
  • session layer

    hi everyone as you see into this picture , kr/keith bogart explaining application layer , presentation layer and session layer he said that any application by itself is out of osi models (out of 7 layers), and there`s protocols into layer 7 that`s run with that application like ftp , dhcp , http , https , dns , snmp , ect into first box in the picture
    Posted to CCNP (Forum) by major133 on 02-26-2017
  • Re: U/L bit

    Posted to CCNP (Forum) by major133 on 02-25-2017
  • Re: U/L bit

    The motivation for inverting the "u" bit when forming the interface identifier is to make it easy for system administrators to hand configure local scope identifiers when hardware tokens are not available. This is expected to be case for serial links, tunnel end-points, etc. The alternative would have been for these to be of the form 0200
    Posted to CCNP (Forum) by major133 on 02-22-2017
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