Re: Bandwidth Hogging by server communication...

From: Alex Zhang (v-qiz_at_online.microsoft.com)
Date: 03/15/04 

Date: Mon, 15 Mar 2004 13:40:50 GMT

Hello David,

Thank you for your reply.

Please post this question in the
microsoft.public.windows2000.Active_directory newsgroup. The
microsoft.public.windows2000.Active_directory newsgroup is primarily for
issues involving Active Directory. We recommend posting appropriately so
you will get the most qualified pool of respondents, and so other partners
who regularly read the newsgroups can either share their knowledge or learn
from your interaction with us.

In addition, I am glad to provide some information to you.

When a slow link is detected, the default behavior is as follows:

Policies that are applied by default:
         Registry settings (from administrative templates) must always be
applied--this cannot be changed
         Security policies must always be applied - this cannot be changed)
         EFS recovery policy
         IP security
Policies that are not applied:
         Application Deployment
         Scripts
         Folder Redirection
         Disk Quotas

Therefore you could try to change the slow link detection speed to be
higher.

To change the slow link detection speed for Windows 2000 when user Group
Policy is being applied, expand the User Configuration node and navigate to
the Administrative Templates\System\Group Policy folder. Modify the Group
Policy slow link detection policy.

For more information you may browse the following websites:
How a Slow Link Is Detected for Processing User Profiles and Group Policy
http://support.microsoft.com/default.aspx?scid=kb;en-us;227260

Default Behavior for Group Policy Extensions with Slow Link
http://support.microsoft.com/default.aspx?scid=kb;en-us;227369

In addition, I am glad to provide you some related information about Active
Directory replication:
Active Directory Replication Events During Scheduled Available Windows
http://support.microsoft.com/default.aspx?scid=kb;en-us;228866

HOW TO: Configure Site Link Replication in Windows 2000
http://support.microsoft.com/default.aspx?scid=kb;en-us;321253

Determining the Inter-Site Topology Generator (ISTG) of a Site in the
Active Directory
http://support.microsoft.com/default.aspx?scid=kb;en-us;224599

The Role of the Inter-Site Topology Generator in Active Directory
Replication
http://support.microsoft.com/default.aspx?scid=kb;en-us;224815

Active Directory Replication
http://labmice.techtarget.com/activedirectory/AD_replication.htm

This response contains a reference to a third-party World Wide Web site.
Microsoft is providing this information as a convenience to you. Microsoft
does not control these sites and has not tested any software or information
found on these sites; therefore, Microsoft cannot make any representations
regarding the quality, safety, or suitability of any software or
information found there. There are inherent dangers in the use of any
software found on the Internet, and Microsoft cautions you to make sure
that you completely understand the risk before retrieving any software from
the Internet.

I hope the information proves helpful!
If you have any questions please do not hesitate to let me know. I am glad
to be of assistance.
Thanks and regards,
Alex Zhang
Microsoft Partner Online Support
Get Secure! - www.microsoft.com/security

=====================================================
When responding to posts, please "Reply to Group" via your newsreader so
that others may learn and benefit from your issue.
=====================================================
This posting is provided "AS IS" with no warranties, and confers no rights.
--------------------
| Reply-To: "David Bock" <David@dvbock.com>
| From: "David Bock" <David@dvbock.com>
| References: <OsqSXo4BEHA.2888@TK2MSFTNGP09.phx.gbl>
<3UaG3IDCEHA.600@cpmsftngxa06.phx.gbl>
| Subject: Re: Bandwidth Hogging by server communication...
| Date: Sat, 13 Mar 2004 09:52:15 -0600
| Lines: 146
| X-Newsreader: Microsoft Outlook Express 6.00.2800.1158
| X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165
| Message-ID: <emTQsMRCEHA.240@tk2msftngp13.phx.gbl>
| Newsgroups: microsoft.public.win2000.networking
| NNTP-Posting-Host: cust-216-59-196-46.t-speed.net 216.59.196.46
| Path: cpmsftngxa06.phx.gbl!TK2MSFTNGP08.phx.gbl!tk2msftngp13.phx.gbl
| Xref: cpmsftngxa06.phx.gbl microsoft.public.win2000.networking:58100
| X-Tomcat-NG: microsoft.public.win2000.networking
|
| Thanks Alex...If I may call you Alex.
| I have 3 subnodes and 1 central office.
| ->ISDN lines at remote locations start at a Pipeline ISDN router (10.0.x)
| network, I have each node set as a class C, a server at each location.
| ->Internal ISDN router is a Ascend Max (10.0.1.1)
| -> Internet connection is through a Netscreen Firewall, We have a VPN
| connection set through this. (10.0.1.2)
| -> Internally we use a company called T-Speed for a broadband connection
| (Microwave 1-6MBPS) at main location
| -> On Node 10.0.3.x we also have a T-Speed Connection
| -> DNS server uses 10.0.1.1 as gateway, which forwards to 10.0.1.2 for out
| to the internet.
| -> I have disabled the 10.0.3.x ISDN connection, and enabled an internet
VPN
| through my Firewall (10.0.1.2)
| -> Windows 2000 Network Main domain is on 10.0.1.x (GC at 10.0.1.20, Exch
| Server 10.0.1.30)
| -> on node 10.0.3.x there is a trusted domain (I didn't set it up)
| -> When we set up the VPN the remote server took all available bandwidth
| through the tunnell, and there was no room for other traffic through the
| connection. I throttled the connection down to 384k, and I was able to
| access the internet.
| -> The ISDN is a dual B channell (384K)
| -> switching over, I disabled the ISDN connection through the Ascend, and
| enabled the VPN
| -> Database is on 10.0.1.20 (Master GC) and I if the connection goes down
we
| cannot access the database, so I think it is all in 1 place
| -> Right now I have a router problem, so 10.0.4.X, 10.0.5.X cannot see the
| internet, I have a the person who sold me the ISDN routers coming by today
| to fix that problem.
| -> Before I throttled down the bandwith the VPN tunnel expanded to the
full
| bandwidth available from traffic between the servers, and there was no
| available bandwidth for anybody.
| -> I would (ideally) like to be able to have the connection be down and
use
| the SQL at all locations, but I have security concerns.
| -> I think that there is a better way for the directory structure (as in
| sub-domains not trusted Domains)
| -> I would like to let all connections run at full speed.
| -> I have a 512K DSL connection that I will be changing over at 10.0.4.X
| once we get this all figured out.
|
| I really apreciate your help on this, I understand what I needed to set up
| the Active directory on a local system, but I am not sure once we get to
| WANS and routers how things need to be to replicate. Is there a book or
text
| I could use to help me through this?
|
| Thanks again,
| David Bock
|
|
| "Alex Zhang(MSFT)" <v-qiz@online.microsoft.com> wrote in message
| news:3UaG3IDCEHA.600@cpmsftngxa06.phx.gbl...
| > Hello David,
| >
| > Thank you for posting here.
| >
| > If I understand the issue correctly, you have a central location and
| three
| > sub locations. You connect these three various locations with 3 ISDN
| lines.
| > Now you are going to update some of the lines to DSL with VPN.
| >
| > To understand the issue better, I'd like to confirm the following
| > information with you:
| >
| > 1. How do you update ISDN to DSL? What¡¯s the varieties on hardware? Do
| you
| > use a router or other hardware? Any detail informaiton about the network
| is
| > helpful.
| >
| > 2. How do you switch the connection over to broadband the 2 servers
| > communicate with all available bandwidth? Do you modify the
configuration
| > on the router or using other methods?
| >
| > 3. What¡¯s the value of all available bandwidth?
| >
| > 4. Does the database locate in the central location?
| >
| > 5. Which location can not access internet?
| >
| > 6. Do you have any other concerns?
| >
| > 7. Can you explain in detail ¡°leave the tunnel up with all available
| > bandwidth on a hardware level¡±?
| >
| > If you have any questions please do not hesitate to let me know. I am
| glad
| > to be of assistance.
| >
| > Thanks and regards,
| >
| > Alex Zhang
| > Microsoft Partner Online Support
| > Get Secure! - www.microsoft.com/security
| > =====================================================
| > When responding to posts, please "Reply to Group" via your newsreader so
| > that others may learn and benefit from your issue.
| > =====================================================
| > This posting is provided "AS IS" with no warranties, and confers no
| rights.
| > --------------------
| > | Reply-To: "David Bock" <David@dvbock.com>
| > | From: "David Bock" <David@dvbock.com>
| > | Subject: Bandwidth Hogging by server communication...
| > | Date: Thu, 11 Mar 2004 10:58:34 -0600
| > | Lines: 20
| > | X-Priority: 3
| > | X-MSMail-Priority: Normal
| > | X-Newsreader: Microsoft Outlook Express 6.00.2800.1158
| > | X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165
| > | Message-ID: <OsqSXo4BEHA.2888@TK2MSFTNGP09.phx.gbl>
| > | Newsgroups: microsoft.public.win2000.networking
| > | NNTP-Posting-Host: cust-216-59-196-46.t-speed.net 216.59.196.46
| > | Path: cpmsftngxa06.phx.gbl!TK2MSFTNGP08.phx.gbl!TK2MSFTNGP09.phx.gbl
| > | Xref: cpmsftngxa06.phx.gbl microsoft.public.win2000.networking:57914
| > | X-Tomcat-NG: microsoft.public.win2000.networking
| > |
| > | Hi, I have a WAN with a central location. We have a router with 3 ISDN
| > lines
| > | going to various locations.
| > | We wanted more bandwidth, so I am updating some of the lines to DSL
| > through
| > | a VPN.
| > |
| > | We set the DC at a sub location (it is a seperate trusted Domain) It
| seems
| > | that when I switched the connection over to broadband the 2 servers
| > | communicate with all available bandwidth. There is no way to even
access
| > the
| > | internet around the tunnell. We have a database ap that needs to run,
| and
| > | this unstoppable chat pegs my connection.
| > |
| > | I was able to wok around this by throttling the bandwidth down to 384K
| > | through my VPN. I would like to leave the tunnel up with all available
| > | bandwidth. Is there a way to do this on a hardware level?
| > |
| > | Thanks,
| > | David Bock
| > |
| > |
| > |
| > |
| >
|
|
|

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