Cisco Prime Infrastructure and VLAN fetch

Question

I have about a dozen systems which are showing up under the Archive Failed Devices section of Device Work Center -> Configuration Archives.  The reason is Fetch VLAN configuration - Command failed.  All of the affected devices have something in common in that they are all managed by hitting a publicly routable IP address outside of the network on which the NCS server lives (NCS IP is 172.19.40.51).  To the devices, NCS looks like it is coming from an publicly routable IP address (because it is NAT'd by the firewall).  I suspected that the issue was that NCS was trying to TFTP the VLAN.dat file to the NCS server but that it was trying to send it to 172.19.40.51 instead of the NAT address.  I turned on debugs on one of the affected devices and sure enough I see that the device is trying to TFTP something to 172.19.40.51.  Of course that will never work.  I can find no way within the Admin UI of Cisco Prime to change this behavior such that NCS will try to collect the VLAN.dat file in some other way or use the NAT'd IP address for the copy attempt.
Is there a way to get it to use something other than TFTP?  Is there some way to turn this off entirely so that it doesn't show up in the Archive Failed Devices section?  Prime seems to be able to parse the VLANs by way of the configuration file (since we use transparent mode throughout) so it seems like an extra step I don't need.

Answer 1

Marvin,
This is where everything goes off the rails for me when it comes to understanding Prime Infrastruction, Prime LMS and everything that you're talking about.  Refer to this link:  http://www.cisco.com/c/en/us/products/collateral/cloud-systems-management/prime-lan-management-solution/data_sheet_c78-697479.html
How should I interpret this?:
"Cisco Prime Infrastructure 1.1 bundles campus switch, branch, core routing, and wireless LAN management into a single, easy-to-order solution that enables businesses and enterprises unparalleled operational efficiencies and investment protection. The bundle consists of:
● Cisco Prime LAN Management Solution, which delivers simplified management of Cisco® Borderless Networks and reduces operations costs by aligning network management functionality the way network operators do their jobs
● Cisco Prime Network Control System, which provides complete wireless LAN management with converged user and access management, and integrated lifecycle management of branch routers
For more information about Cisco Prime Infrastructure, please visit http://www.cisco.com/go/primeinfrastructure."
Am I wrong to assume that the first bullet point, which states "Cisco Prime LAN Management Solution" is referring to Prime LMS 4.2?
Thanks,
Steven