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Old 06-19-2007, 08:41 AM   #1
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Vista's new network pictorial Map Diagrams

OK I have a small office and I was going to test Vista’s new “Network Mapping” feature (Not Network Neighborhood see the Vista "Network and Sharing Center" example at http://www.sunbelt-software.com/ihs/...mallnetmap.jpg )



The Network and Sharing Center can use LLDP (Logical Link Discovery Protocol) to render a pictorial representation of your network complete with all PC's, switches, routers, and modems on a network. Pretty cool! However - I haven’t been able to get it to work yet.

I ran the LLTD responder (see first hyperlink below) on my XPSP2 pc and rebooted – there does not appear to be a way to verify it is installed correctly. Nothing shows under the “local area connection” properties to “prove” it’s installed.

Per Instructions from web posts I changed the default NIC settings to allow Netbios over TCPIP instead of DHCP.

I also went in and created and applied a GPO that allows LLTD.(see 3rd hyperlink below, this link has some good GPO screenshots)

Link Layer Topology Discovery (LLTD) Responder (KB922120)
http://blogs.msdn.com/wndp/archive/2..._5F00_map.aspx

Network Map Does Not Display Computers Running Windows XP
http://technet2.microsoft.com/Window....mspx?mfr=true

How to Enable the Windows Vista Network Map
http://blogs.msdn.com/wndp/archive/2..._5F00_map.aspx
Vista GPO (Can only be seen on Vista Client running GPMC.msc) Computer Configuration -> Administrative Templates -> Network -> Link-Layer Topology Discovery.

There doesn't seem to be too much info posted on the web for making Vista's LLDP work in a domain environment, I'm also trying to figure out how an admin would distribute the LLDP Responder to XP Clients - it is an ActiveX control off a web page and the not an exe or msi download, therefore I don't know how to distribute it via GPO? Any help would be appreciated .

Mark Mills
mark.mills@desktop-assistance.com
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Old 06-19-2007, 09:36 AM   #2
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Had you tried using Vista's Help and Support? Type Logical Link Discovery Protocol and it will provide you with plenty of information. Click Star > Help and Support
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Old 06-19-2007, 10:16 AM   #3
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Vista Help support- very little offered on LLDP

I went there although over 30 topics come up only 2 or 3 have to do with actual network discovery. From the help I did learn you have to have ICS enabled if you want to show the "gateway" icon. It also talked about IGDDC which I had never heard of... but the network map is still not working in my domain.
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Old 06-19-2007, 10:47 AM   #4
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Do you mean not working AT ALL? Does it even show the connected devices at the bottom? ie, discovered but not placed on the map?

Post a snipping tool cut of the screen.

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Old 06-19-2007, 10:58 AM   #5
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Screen shot of my Network and Sharing Ctr

Okay, now here is that screen shot you requested.

Attachment 495
Attached Images
File Type: jpg LLDP.jpg (31.7 KB, 5 views)
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Old 06-19-2007, 12:07 PM   #6
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Could you click the 'FULL MAP' link and post that? As that is the area which details the information as shown in your first post.

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Old 06-19-2007, 12:40 PM   #7
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LLDP - screenshot request

My apologies for my delayed reply, I just got back from lunch. If I click on the "View Full Map" then I get the message "Windows cannot create a network map for the selected type of network connection".

The location type is "Domain".

I do have a GPo set to allow LLDP, and confirmed it was applied via GPResult. The actual registry keys are:

HKLM\Software\Policies\Microsoft\Windows\LLTD!EnableLLTDIO
HKLM\Software\Policies\Microsoft\Windows\LLTD!AllowLLTDIOOnDomain
HKLM\Software\Policies\Microsoft\Windows\LLTD!AllowLLTDIOOnPublicNet
HKLM\Software\Policies\Microsoft\Windows\LLTD!ProhibitLLTDIOOnPrivateNet
and
HKLM\Software\Policies\Microsoft\Windows\LLTD!EnableRspndr
HKLM\Software\Policies\Microsoft\Windows\LLTD!AllowRspndrOnDomain
HKLM\Software\Policies\Microsoft\Windows\LLTD!AllowRspndrOnPublicNet
HKLM\Software\Policies\Microsoft\Windows\LLTD!ProhibitRspndrOnPrivateNet

I originally thought this might be that my SMC Layer 2 VLAN switch wasn't configured for LLDP so I put my XP client (with the Responder) and one of my Vista PC's on a dumb Linksys Hub (not a switch) but they still don't see each other with LLDP. I'm going to take another Vista PC from our domain and see if what happens when I place it on the same Hub as the 1st Vista PC.
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Old 06-19-2007, 01:33 PM   #8
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Sharing with XP and Vista

For those just trying to share out Vista with XP see the following two very comprehensive posts (they seem to have all the tricks and even registry keys to verify):

http://www.svabhinava.org/Dia-Gnosis...taXP-frame.php

http://forums.microsoft.com/technet/...&tf=0&pageid=0
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Old 06-19-2007, 01:53 PM   #9
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I think I finally found the problem after posting this on 4 forums. Per http://forums.techarena.in/showthrea...=693277&page=2 several people had the same issue I did "Windows cannot create a network map for the selected type of network connection" when they had installed NVidia ethernet driver (v65.55).

Both of my Vista Machines are AMD 64 X2 PC's and the Asus motherboards are using NVidia Chipsets. I need to get back to some real work so I'm going to guess that my issue lies in having the NVidia driver installed. I looked at the NIC properties and the "Rollback Driver" button is grayed out so there appears to be no easy way to try a different driver right now.

Case closed - for now!
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Old 06-20-2007, 02:27 AM   #10
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My Nvidia chipset works fine. I don't think I have the same network type though.

Its an odd problem.

Does it actually affect your network atall or is it just for aesthetics?

crabby
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Old 06-20-2007, 05:38 PM   #11
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http://support.microsoft.com/kb/922120 I used this link to get my XP machine to be seen on the Vista full map but I am not sure this is your problem some of the links would not open for me so i do not have all the info I hope the link helps.
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Old 06-20-2007, 06:40 PM   #12
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Quote:
I looked at the NIC properties and the "Rollback Driver" button is grayed out so there appears to be no easy way to try a different driver right now.
Rather hard to roll back when there is nothing lower than. why not try one of the much newer NVidia drivers.

I also find this link very helpful.
Title: Teach XP and Vista to play nice on networks
It takes some manual tweaking to get a mixed Vista/XP network to work properly


http://www.computerworld.com/action/...src=hm_ts_head
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