Thanks,

This is not something I'm about to do on my LAN though - I was just
speculating :-)

Ole

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Ole Drews Jensen
 Systems Network Manager
 CCNA, MCSE, MCP+I
 RWR Enterprises, Inc.
 [EMAIL PROTECTED]
 http://www.oledrews.com/ccnp
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

-----Original Message-----
From: Ejay Hire [mailto:[EMAIL PROTECTED]]
Sent: Thursday, September 21, 2000 9:52 AM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: Re: BCMSN: VLAN's and Subnets


You are correct.  It is POSSIBLE to do it this way as long as the two 
separate VLAN's share NOTHING. (No servers, No internet connections, 
Nothing.)

However, This is typically known as "Bad design" and "administrative 
nightmare"

Good Luck.
[EMAIL PROTECTED]


----Original Message Follows----
From: Ole Drews Jensen <[EMAIL PROTECTED]>
Reply-To: Ole Drews Jensen <[EMAIL PROTECTED]>
To: "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]>
Subject: BCMSN: VLAN's and Subnets
Date: Wed, 20 Sep 2000 10:47:56 -0500

I have a question about implementing VLAN's in existing LAN's.

Let's say that I have one office with stacked switches connecting 100 users
to a network with a couple of servers and other good stuff.

        Layer 2 info    : Ethernet, one big broadcast domain
        Layer 3 info    : IP, one full class C : 192.168.16.0

After having analyzed the entire LAN, I find out that 50 users are using
resources that the other 50 users are not using, and the same thing the
other way around. Instead of splitting the stacked switches up in two
separated physical stacks, I now assign the ports for the first 50 users to
VLAN 11 and for the rest 50 users VLAN 12.

        Layer 2 info    : Ethernet, two big broadcast domains (not including
VLAN1)
        Layer 3 info    : IP, one full class C : 192.168.16.0

I would assume that this would work great as long as noone from VLAN 11
needs any resources from VLAN 12, and the same thing the other way around.

Now to my question (which is more a confirmation of my theory):

I would only need to split my class C up in subnets if I want Inter-VLAN
communication between my VLAN 11 and VLAN 12 right???

        Layer 2 info    : Ethernet, two big broadcast domains (not including
VLAN1)
        Layer 3 info    : IP, VLAN 11 : 192.168.16.64/26, VLAN 12 :
192.168.16.128/26

Do I have the right idea, or am I way off???

Thanks for your comments on this.

Ole

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  Ole Drews Jensen
  Systems Network Manager
  CCNA, MCSE, MCP+I
  RWR Enterprises, Inc.
  [EMAIL PROTECTED]
  http://www.insync.net/~drews/ccnp
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


**NOTE: New CCNA/CCDA List has been formed. For more information go to
http://www.groupstudy.com/list/Associates.html
_________________________________
UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html
FAQ, list archives, and subscription info: http://www.groupstudy.com
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

_________________________________________________________________________
Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.

Share information about yourself, create your own public profile at 
http://profiles.msn.com.

**NOTE: New CCNA/CCDA List has been formed. For more information go to
http://www.groupstudy.com/list/Associates.html
_________________________________
UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html
FAQ, list archives, and subscription info: http://www.groupstudy.com
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

Reply via email to