Showing posts with label failure. Show all posts
Showing posts with label failure. Show all posts

4/21/2012

D-Link DHP-301 Powerline HD Ethernet Kit Review

D-Link DHP-301 Powerline HD Ethernet Kit
Average Reviews:

(More customer reviews)
I was hoping to get at least 30 Mbps from my office to my living room (to stream HDTV, etc). I couldn't find any reviews for the D-Link version of Powerline HD but saw PC Mag and CNET reviews of the Netgear version. They were getting 45-53 Mbps in their test labs (theoretical max is 200Mbps). The D-Link kit was $60 cheaper so I decided to give it a try since I've had decent luck with other D-Link gear.
I have a 30 year old home so it's far from ideal test lab conditions. In my best case scenario where I plug the two adapters in consecutive outlets (8 feet apart), I get 48Mbps (avg). If I connect the adapters to the same circuit (i.e. outlets sharing the same circuit breaker), I get 20Mbps (avg). If I connect across two different circuits, I get 11Mbps (avg). Since HD streaming needs a solid 20Mbps, this won't meet my primary objective. However, it could extend my wireless broadband connection (5Mbps) if I choose to keep it. I may try out the Netgear version but I really doubt it would perform any better for me.
Pros:
-Very easy setup (adapters find each other in 15 sec)
-Kit comes with ethernet cables
Cons:
-Only 11-20Mbps (or 1.4-2.5 MB/s) in my home
-Adapters run pretty warm
Tips:
-Don't plug into any kind of surge protector or multi-outlet
-Connect the adapters on the same electrical circuit for max throughput

Click Here to see more reviews about: D-Link DHP-301 Powerline HD Ethernet Kit

D-Link DHP-301 Powerline HD Ethernet Kit

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3/13/2012

D-Link DIR-130 NetDefend VPN Firewall8-Port 10/100Mbps Switch Review

D-Link DIR-130 NetDefend VPN Firewall8-Port 10/100Mbps Switch
Average Reviews:

(More customer reviews)
The DIR-130 was selected due to its support for incoming PPTP VPN tunnels that are compatible with the Microsoft VPN connector included with Windows. The upgrade to firmware version 1.10 has apparently resolved reliability issues reported by another reviewer. The DIR-130 allows me to access my home system securely and consistently. Over several weeks of regular use, it has performed reliably. Configuration is easy using the well-structured menus. The firmware upgrade changed the VPN user account management from the screens shown in the manual and permits many more users to be assigned in groups with individual passwords using different VPN settings (PPTP or L2TP/IPsec).
Performance of unencrypted data over my Bellsouth 3MBps ADSL connection seemed slightly faster than with the prior router, the Netgear WGR614. Due to the VPN encryption, the connection speed is however noticeably slower than non-VPN. Reducing the encryption level to 40 bits improves the speed compared with 128 bits.
There is a firmware bug (v1.10) that only occurs during remote management or managment over a VPN connection. Clicking on the "save" button, executes a script that tries to display the confirmation web page, but the address is invalid, resulting in an error screen, even though the action was successfully performed. Just log in again to resume remote management. This bug in firmware v1.10 has been reported to D-Link, without response. The bug does not occur when accessing the router over the LAN using a non-VPN connection.


Click Here to see more reviews about: D-Link DIR-130 NetDefend VPN Firewall8-Port 10/100Mbps Switch

D-Link DIR-130 NetDefend VPN Firewall8-Port 10/100Mbps Switch

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9/11/2011

D-Link VTA-VR Broadband Telephone Adapter with Vonage Review

D-Link VTA-VR Broadband Telephone Adapter with Vonage
Average Reviews:

(More customer reviews)
I was having some problems with my Linksys Vonage box in that I was getting random, and quite frequent line goes dead in the middle of a conversation. I decided to try this unit as it was quite inexpensive and the rest of my hardware is already D-Link. So, I switched out the Linksys and in with the D-Link and we've not had any dropped calls since.
Its nice that it is small/compact and doesn't take up much space and the wall wart AC adapter is smaller than what it replaced. Hope this one lasts longer than the Linksys box.

Click Here to see more reviews about: D-Link VTA-VR Broadband Telephone Adapter with Vonage

Take adapter anywhere there is a high-speed Internet connection to make or receive calls using the same phone numberEquipped with 2 telephone jacks allowing 2 separate Vonagephone linesEasy installation connect to router and plug in a corded or cordless telephone Includes stand telephone cable ethernet cable power adapter and software

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7/21/2011

Iomega iConnect Wireless Data Station 34779 Review

Iomega iConnect Wireless Data Station 34779
Average Reviews:

(More customer reviews)
I was very wary about buying this product with so many negative reviews, but I wanted a way to make my USB printer accessible by the rest of the family from their wi-fi enabled laptops. I also thought it would be handy to add USB storage in the future. I looked at various NAS storage solutions, but all of them were more expensive than I needed for this simple job. The iConnect arrived, I followed the simple instructions, and, so far, it has done everything I wanted it to do.
I followed a couple of steps that may not have been obvious - I first of all plugged a 2GB flash drive into one of the USB ports to give it some local storage for its print serving function and connected it to a LAN port. I was able to see it fine, I checked for updates and found a newer release of firmware - that downloaded without problems and the device restarted. Then I set up the wireless information - no problem with seeing the WiFi from the basement. Then I disconnected the LAN and tried to connect wirelessly. It wasn't immediately seen by the iConnect software, and I noticed that there was an updated version of that software as well, so I downloaded and installed that. At that point, I could see the device and its storage wirelessly. I did give it a static IP address on my router, but that may not have been necessary. Finally, I plugged in the USB printer, loaded the drivers and it all worked fine.
I loaded the iConnect software on a couple of laptops (XP and Vista), updated the software, and then could see the printer.
Overall, this has worked as planned - I haven't stressed it yet, and I wish it had been seen wirelessly as soon as I had disconnected the LAN, but I got there in the end.

Click Here to see more reviews about: Iomega iConnect Wireless Data Station 34779

The Iomega iConnect Wireless Data Station is a simple way to bring all of your desktop and portable USB storage to your network. Plug in your external USB drives or USB thumb drives (any brand) into the Iomega iConnect device and they are automatically connected to and accessible on your network. Remote access allows you to connect, share, and access your files securely from anywhere in the world via the Internet. Wireless connectivity allows you to place the Iomega iConnect device in the most convenient location in your home without having to run another cable. Taking backup data off-site for disaster recovery has never been easier. Simply back up all your networked computers through the Iomega iConnect device, and then take your hard drive off-site for safekeeping. The Iomega iConnect device truly makes your USB drives "smart" and includes the ultimate set of advanced media features, such as DLNA-certified UPnP AV media server, and iTunes server so that content can be easily shared between computers and any other digital media adapters such as game consoles, Iomega ScreenPlay products, digital picture frames, or networked TVs. Picture Transfer Protocol, torrent download compatibility, and the Cooliris slide show plug-in round out the advanced media features. Embedded RSA BSAFE encryption for protected installs and upgrades. Supports PC, Mac, and Linux clients. Three year warranty with product registration.

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6/26/2011

Cisco RV042 4-port 10/100 VPN Router - Dual WAN Review

Cisco RV042 4-port 10/100 VPN Router - Dual WAN
Average Reviews:

(More customer reviews)
I wanted a low-cost VPN solution and had been debating purchasing the Cisco 501 PIX firewall and Netscreen's lowest end 5GT VPN router (which costs $450 + maintenance/support contracts) before discovering this bargain model. Tom's Networking Hardware has a good review about the RV082 holding up with Netscreen's 5GT VPN router in performance tests, which pretty much convinced me to get this Linksys brand. I use the RV082 for our main office and the RV042 as a client in our remote office in mainland China, so I can't say for sure that an RV042-RV042 solution works. Note: If you intend to purchase this model and use it for an international location, however, you do need to purchase a separate 220 volt/1000 mA/12 volt adapter, since the unit only comes with a 110 volt adapter. (Linksys apparently has yet to provide a universal power adapter for this product line.)
I thought the RV042 would be exactly the same as the RV082 except with 4 ports instead of 8. However, I found that the firmware is still a bit behind the RV082 (the RV042 also does not come with an internal PPTP server, though this PPTP server is still not compatible with the Win2000/XP PPTP client). One major benefit of the RV082 is that it comes with a free VPN client called QuickVPN (downloadable in the same section where the RV082 firmware is located). Unlike other Linksys VPN routers, the RV082 using the QuickVPN client avoids the trouble of needing to follow a 16-page procedure for configuring a Win2000/XP client to access the VPN.
The RV082 firmware (v1.1.6.3) contains an "HTTP Service" option that must be enabled to provide QuickVPN support. The QuickVPN client appears to retrieve some VPN server information through https:// requests, which isn't evident unless you look closely at the wget_error.txt located inside the C:\Program Files\Linksys\Linksys VPN Client directory. The RV042 firmware (1.3.1) does not yet support this feature, but their current BETA version (v1.3.3) does (downloaded from linksysinfo.org). Linksys has yet to officially release this firmware, so be forewarned!
The RV units may also be compatible with other VPN brands. We had been using the really flaky Symantec 200 VPN units and managed to get one of the units to negotiate a IPSEC tunnel with the RV042 and RV082. You can use the VPN log feature to see if the negotiation works. Enable the keep-alive option in the Advanced features to help maintain a persistent tunnel too!
Instructions for QuickVPN and setting up the RV042:
1. Upgrade to the latest firmware version (1.3.3 beta off Linksysinfo.org. Additional note: There are reports of problems with the the 1.3.6 beta so have stayed away from using it.)
2. Inside the "Firewall" section, enable the HTTPS service. Make sure to Save Settings too.
3. Inside the "VPN" section, click on the VPN Client Users. Add a username and password that will be used for the QuickVPN Client. Make sure the user that you will be using is selected as Active.
4. Make sure that your client's NAT/firewall has IPSEC passthrough capability turned-on. If you don't, you may see that the QuickVPN client successfully connects but freezes at "Verifying Network".
5. Your client's IP subnet should not conflict with the other remote networks (i.e. Your client subnet should be 192.168.2.0 if your remote networks use 192.168.0.0 or 192.168.1.0)
6. Verify that the IPSEC services is running on your Windows machine.
7. If you are running Windows XP SP2, you need to disable the Windows Firewall. You may also see the connection established but QuickVPN get stuck at the "Verifying Network" message.
A good place to debug your problem is to look at the error logs in the wget_error.txt in the directory where the QuickVPN client is installed (i.e. C:\Program Files\Linksys). The wget program apparently tries to connect via HTTPS to the RV042/RV08 to obtain VPN server information. If the connection is successful, you can see several .conf files downloaded into the same directory.
One another note: Both the RV042 and RV082 have a second WAN port for load-balancing, but I've seen enough reports to stay away from using this feature until Linksys manages to resolves the issues in the firmware.

Click Here to see more reviews about: Cisco RV042 4-port 10/100 VPN Router - Dual WAN

Network connections are the backbone of business connections. One of the Cisco Small Business Routers, the RV042 Virtual Private Networking (VPN) Router supports up to four wired and 50 off-site connections. The latter allows users to connect into your network with secure access to your files and intranet. The RV042 comes with dual Internet ports that can serve as a failsafe system for 24/7 network uptime, or as a secondary connection to a separate Internet provider. Whether they're used for backup or speed boosting, the router's networking hardware will keep bottlenecks away from your network, period.

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