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Difference between ICND1 and ICND2 regarding WAN...

johnifanx98johnifanx98 Member Posts: 329
in CCNA & CCENT
[ICND1]
Configure and verify a basic WAN serial connection

[ICND2]
Configure and verify Frame Relay on Cisco routers
Troubleshoot WAN implementation issues


The description in ICND1 is pretty ambiguous. "A basic WAN serial connection". What kind of WAN serial connection is basic?
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    NotHackingYouNotHackingYou Member Posts: 1,460 ■■■■■■■■□□
    I would think HDLC for ICND1 and everything else for ICND2.
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    RoguetadhgRoguetadhg Member Posts: 2,489 ■■■■■■■■□□
    I thought PPP was also in ICND1?

    HDLC is the default... I think (99% sure). There wouldn't be a need to configure it as it's the default for the Serial WAN links.
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    bud08bud08 Member Posts: 58 ■■□□□□□□□□
    I took the ICND1 as: know how to config by "encapsulation ppp" and "encapsulation hdlc" (if someone has it on something else) then check with show interface or show ip interface brief on that interface. ICND2 is really knowing how to do Frame Relay and setting that up not just knowing its definition.
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    CorzaCorza Member Posts: 39 ■■□□□□□□□□
    Configure may just mean configure and ip address and a clock rate and see if it comes up/up.

    HDLC is default for all serial interfaces.
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    YFZbluYFZblu Member Posts: 1,462 ■■■■■■■■□□
    ICND1: PPP, HDLC
    ICND2: Frame Relay, PPP, HDLC
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    mapletunemapletune Member Posts: 316
    agree with above
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    The IT GuyThe IT Guy Member Posts: 43 ■■□□□□□□□□
    I agree with YFZblu. You may also get a brief intoduction to X.25 and ATM before getting to the Frame Relay theory and Configurations in ICND2.
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    IllumanatiIllumanati Banned Posts: 211 ■□□□□□□□□□
    I love this thread as it applies directly to my cisco iv class. all about Frame Relay, PPP and HDLC..basically all layer 2 WAN protocols which is where WAN protocols reside: Layer 2! Are WAN protocols Layer 1 as well?
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    TehToGTehToG Member Posts: 194
    No. Layer 1 is physical. How do you apply protocols to voltages on a cable or flashes of light down a fiber.
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