[c-nsp] subnet mask confusion?

Bradford Chatterjee lists at knotclan.com
Fri Apr 19 01:37:40 EDT 2013


Subnet masks and wildcard masks are not the same. Subnet masks always have
all ones in the network bits and all zeroes in the host bits. Wildcard
masks use bit masking differently, and for different reasons.
On Apr 18, 2013 10:32 PM, "sky vader" <aptgetd at gmail.com> wrote:

> Hello,
>
> when using the following mask errors out as bad mask when used on an
> interface.
>
> labasa(config-if)# ip address 10.0.10.100 255.0.255.255
> ERROR: Bad mask 255.0.255.255 for address 10.0.1.100
>
>
> works on an access-list,
>
> labasa(config-if)#access-list 101 extended permit ip any 10.0.10.150
> 255.0.255.255
>
> Just wondering what am I missing?
>
>
> sky
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