Is this correct?

sarahanandsarahanand Member Posts: 52 ■■□□□□□□□□
in CCNA & CCENT
With the IP address 10.1.13.0 and a wildcard mask 0.0.255.255, should it match interface IP address with 10.1 or 10.1.13?
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Comments

  • elderkaielderkai Member Posts: 279
    In a wildcard mask, 0 is specific and 1 isn't. In that example, the first two octets are specific, and last two can be anything. With that, what do you think. :)
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  • sarahanandsarahanand Member Posts: 52 ■■□□□□□□□□
    It should say "match interface IP address that begin with 10.1" and not 10.1.13...right?? please don't icon_redface.gif me if I'm wrong here!! I thought its a typo error
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  • networker050184networker050184 Mod Posts: 11,962 Mod
    10.1.13.0 will match 10.1.13.0 0.0.255.255.
    An expert is a man who has made all the mistakes which can be made.
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  • theodoxatheodoxa Member Posts: 1,340 ■■■■□□□□□□
    sarahanand wrote: »
    It should say "match interface IP address that begin with 10.1" and not 10.1.13...right?? please don't icon_redface.gif me if I'm wrong here!! I thought its a typo error

    You're correct. The wording is bad. It will still match 10.1.13.x, but it will also match other addresses also (10.1.x.x). Most likely a typo. They were probably shooting for 10.1.13.0 0.0.0.255 since 0.0.255.255 had already been used in another example.
    R&S: CCENT → CCNA → CCNP → CCIE [ ]
    Security: CCNA [ ]
    Virtualization: VCA-DCV [ ]
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