Re: Best Practices for Subnetting

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Hello Phillip (and Bill and Irwin if you're reading).

What would be the advantage of using netbios over router hops with WINS?

I was a pc tech for a network that had multiple sites (active directory
sites connected via P2P T-1s), each running 192.168.x.x/24 (8 sites with
IPs192.168.1.0-192.168.8.0). When we first set up the network we were
running WINS but, since we were already running active directory ingegrated
DNS, there wasn't any real need (that we could think of) for WINS so we
removed WINS from the network. After doing so, we didn't notice any change
in network operations or performance.

The origional reason I had WINS set up was so that Symantec Antivirus
Corporate could browse for other servers across the network routers. But
since we were using TCP/IP and knew the IPs of the servers, WINS was not
necessary and just added more overhead to our network.

In Irwin's situation, I wonder what would be his advantage of running WINS
across his two (soon to be two) netoworks. Can you (Phillip or Bill) give
me some insight?

Thanks,
Jim



"Phillip Windell" <philwindell@xxxxxxxxxxx> wrote in message
news:uNxwcfMoIHA.4904@xxxxxxxxxxxxxxxxxxxxxxx
"Irwin Fletcher" <ffletch@xxxxxxxxxxxxx> wrote in message
news:%2336NnxLoIHA.3556@xxxxxxxxxxxxxxxxxxxxxxx
I'm assuming that the degradation after 250-300 hosts comes from
excessive arp requests? If not then from where?

It seems like the only drawbacks to using a router or layer 3 switch is
that I loose the ability to broadcast between subnets

It is not a drawback,..it is a benefit.
For Netbios over the subnets you would use WINS,...when WINS is used
Netbios is "directed" instead of "broadcasted" because the Netbios queries
are send directly to the WINS Server listed in the TCP/IP Specs instead of
being "blindly" broadcasted.

and isn't there a performance hit when you go across the router as
opposed to staying local on your subnet?

You are not going to create a "router processing lag" with such a small
network with a single "hop" [router] between the subnets. The benefit of
busting up the Broadcast Domain into smaller pieces creates more
performance then "router lag" would ever take away.

I know Bill said the same thing,..but I just wanted to backup what he
said.

--
Phillip Windell
www.wandtv.com

The views expressed, are my own and not those of my employer, or
Microsoft,
or anyone else associated with me, including my cats.
-----------------------------------------------------
Understanding the ISA 2004 Access Rule Processing
http://www.isaserver.org/articles/ISA2004_AccessRules.html

Troubleshooting Client Authentication on Access Rules in ISA Server 2004
http://download.microsoft.com/download/9/1/8/918ed2d3-71d0-40ed-8e6d-fd6eeb6cfa07/ts_rules.doc

Microsoft Internet Security & Acceleration Server: Partners
http://www.microsoft.com/isaserver/partners/default.mspx

Microsoft ISA Server Partners: Partner Hardware Solutions
http://www.microsoft.com/forefront/edgesecurity/partners/hardwarepartners.mspx
-----------------------------------------------------



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