Re: Cisco 360 Lab 25

The wording is a bit confusing, shortest subnet mask? Is /27 shorter than
/29? If they want the smallest subnet then I would say your answer is
clearly better. One thing you might watch out for though is later tasks
that would require more IP's on that subnet such as DHCP, a supposed radius
server, HSRP VIP, etc.

-Marc

On Tue, Mar 6, 2012 at 8:11 AM, Bryan Stair <uptown.ccie_at_gmail.com> wrote:

> Everybody,
>
> I have a question on Lab25 section 3.4. In the lab topology they ennumerate
> the IP addresses for all the routers and leave R2,SW3,R5 with a ? mark for
> the subnet mask(network 141.34.25.X/?). The last octet for each router is
> .2, .3, .5 respectively. Definitely a clue, section 3.4 states to set up
> each router IP address and assign the shortest subnet length mask. I
> calculated /29 (255.255.255.248) for the mask, whereas the guide states to
> set it to /27 (255.255.255.224).
>
> I am asking this basic question since it can come up on the exam and
> getting it wrong means the entire IGP setup is incorrect. They don't give a
> lot of clues or explanantion for this and I am wondering if there is a
> method to determine the shortest length because this seems a little
> arbitary. Asking the proctor may or may not make this clearer. Any insight
> from anybody who has done this lab would be appreciated.
>
> Thanks
>
>
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Received on Tue Mar 06 2012 - 08:25:44 ART