?
Ah, my apologies.  I'm sorry.  It is Vol2Lab4Task9.1.
 
______________________________
Christopher Lemish, CCNP / MCSE
Network Engineer
Blackbox Network Services
6000 New Horizons Blvd.
Amityville, NY 11701
Mobile: 516-790-1525
Email:  [email protected]
 

________________________________

From: marc abel [mailto:[email protected]]
Sent: Wed 5/18/2011 3:38 PM
To: Lemish, Christopher
Cc: CCIE OSL
Subject: Re: [OSL | CCIE_RS] Vol2Lab9.1 - Subnetting



Hi Christopher,

Volume 2 lab 9 task 1 appears to deal with initial switch
configuration (vtp, vlans, etc), I don't see a subnetting question, is
it possibly a different task?

-Marc

On Wed, May 18, 2011 at 1:47 PM, Lemish, Christopher
<[email protected]> wrote:
> ?
> Guys,
>
> Quick question that I'm trying to fully understand the logic.
>
> access-list 191 deny ip 150.20.66.0 0.0.0.127 150.21.21.128 0.0.0.127
> access-list 191 deny ip 150.20.66.0 0.0.0.127 150.20.56.128 0.0.0.127
> access-list 191 deny ip 150.20.66.129 0.0.0.126 150.20.87.0 0.0.0.254
> //ACL above says the latter part of this subnet is denied access to all odd 
> IPs in the 4th octet
> access-list 191 deny ip 150.20.66.129 0.0.0.126 150.20.80.0 0.0.0.254
> //ACL above says the latter part of this subnet is denied access to all even 
> IPs in the 4th octet
> ?Question: If you inverse 254, you come up with 1, so shouldn't that be 
> matching odds? (we care about the last bit and if its a 1, it will match odd 
> numbers) �How would this match evens as well? (its the same as the ACL 
> above it, no?)
>
> access-list 191 permit ip any any
> int fa0/1
> ip access-group 191 in
> int mu1
> ip access-group 191 in
>
>
> ______________________________
> Christopher Lemish, CCNP / MCSE
> Network Engineer
> Blackbox Network Services
> 6000 New Horizons Blvd.
> Amityville, NY 11701
> Mobile: 516-790-1525
> Email: �[email protected]
>
>
> This email and any files transmitted with it are confidential and are
> �intended for the sole use of the individual(s) to whom they are properly
> �addressed. Any use, dissemination or forwarding of this email and any
> �files transmitted with it by anyone other than the intended recipient(s)
> �is strictly prohibited. If you have received this email in error, please
> �notify the sender by replying to this email. Black Box Corporation and
> �its affiliates reserve the right to scan and monitor all e-mail traffic.
>
> _______________________________________________
> For more information regarding industry leading CCIE Lab training, please 
> visit www.ipexpert.com
>
> Are you a CCNP or CCIE and looking for a job? Check out 
> www.PlatinumPlacement.com
>



This email and any files transmitted with it are confidential and are
 intended for the sole use of the individual(s) to whom they are properly
 addressed. Any use, dissemination or forwarding of this email and any
 files transmitted with it by anyone other than the intended recipient(s)
 is strictly prohibited. If you have received this email in error, please
 notify the sender by replying to this email. Black Box Corporation and
 its affiliates reserve the right to scan and monitor all e-mail traffic.
 
_______________________________________________
For more information regarding industry leading CCIE Lab training, please visit 
www.ipexpert.com

Are you a CCNP or CCIE and looking for a job? Check out 
www.PlatinumPlacement.com

Reply via email to