How do I keep my NAS from disappearing from my network?

Hi folks,
Got a strange problem that's just popped up. Spent the better part of the day trying to troubleshoot. No dice. Thought I'd throw it here to see if anyone has suggestions.
I've got a Synology DS1511+ NAS that is attached to my network via one of the ports on the back of my Apple Time Capsule BaseStation. Here's how the BaseStation is configured:
DHCP with NAT
DCHP Range of 192.168.1.100 to 192.168.1.200
NAS has reserved DHCP of 192.168.1.10 using the MAC address of the device
All of my other network devices (iMac, MBPs, iPads, etc.) connect to the BaseStation wirelessly.
The NAS works just fine for about 10 minutes or so and then disappears from the network. Gone. Just like that! Funny thing is that this device was working perfectly fine (as far as I know) just yesterday.
If I remove (or replace) the reserved DHCP address for the NAS it comes back... for a few minutes and then disappears again.
I'm stumped! I've totally exhausted my network admin skills and have run out of ideas.
Anyone? Bueller???
Thanks in advance!
- Brent

Guys, disabling the firewall is not a very smart idea. This is especially embedded in your NAS to protect the date from being disrupted or copied by unwanted guests. Maybe a little late to the party here, but I experienced the very same issue recently when swapping the router to a newer model.
What resolved the issue was to re-set the port forwarding in the DSM of my synology NAS. Go into configuration and select external access. In this section click on the tab router configuration. Then select router settings and allow the DSM to make changes to your router's port forwarding settings. Do not forget to click on save before leaving the DSM. Good luck!

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Here are some quick ideas. None of them should be too hard to implement,
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At 07:47 AM 2/18/98 -0500, Martin G Nystrom wrote:
A user can launch an application, then launch it again. How do we make it so
that the user can only run one instance of the application?
Martin Nystrom
Eli Lilly and Company
([email protected])
Curtis Bragdon, Senior Consultant, Forte Software
[email protected]
Voice Mail: (510) 986-3807
Paging: (888) 687-6723
"I've seen dozens of triggering towns." - Richard Hugo

Yet another quick and dirty solution is to use local ExternalConnections.
This is a single instance per machine solution.
Example is attached.
(See attached file: TestOne.pex)
[email protected] on 02/18/98 10:01:07 PM
Please respond to [email protected]
To: [email protected]
cc: [email protected]
Subject: Re: How do I keep an application from being started more than
once?
Martin,
there are two ways to read your question
(a) no more than one instance of an application per machine
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From: Curtis Bragdon <[email protected]>
Date: Wed, 18 Feb 1998 16:36:58 -0500
Subject: Re: How do I keep an application from being started more than
once?
Here are some quick ideas. None of them should be too hard to implement,
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Regards
CSB
At 07:47 AM 2/18/98 -0500, Martin G Nystrom wrote:
A user can launch an application, then launch it again. How do we make itso
that the user can only run one instance of the application?
Martin Nystrom
Eli Lilly and Company
([email protected])
Curtis Bragdon, Senior Consultant, Forte Software
[email protected]
Voice Mail: (510) 986-3807
Paging: (888) 687-6723
"I've seen dozens of triggering towns." - Richard Hugo
John Jamison
Vice President of Technology
Sage IT Partners, Inc.
415 392 7243 x 306
[email protected]

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