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Item#: N82E16833704128

TP-LINK TL-ER6120 SafeStream Gigabit Dual-WAN VPN Router

  • Standards and Protocols: IEEE 802.3, IEEE802.3u, IEEE802.3ab TCP/IP, DHCP, ICMP, NAT, PPPoE, SNTP, HTTP, DNS, IPsec, PPTP, L2TP
  • Flash: 8MB
  • LED: PWR, SYS, Link/Act, Speed, DMZ

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the TP-LINK TL-ER6120


Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years
  • Read full details

Customer Reviews of the TP-LINK TL-ER6120

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  • Lee P.
  • 4/28/2015 6:54:03 AM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsJust Works

Pros: This unit has been in continuous operation since October 2013 with no trouble, it just works. I like the fact that this unit does not have an internal fan. I have two ISP and the router is configured in a fail over mode that works great.

Cons: Passwords can not use some special characters which is an inconvenience.

Did you find this review helpful? Yes No

  • Michael K.
  • 10/21/2013 6:55:17 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsFast, but has lots of missing features, support is not good

Pros: The WAN-to-LAN throughput is fast. The management UI is very responsive, although fairly bare/retro.

Cons: 1. the VPN configuration is separated out into 4 different pages. This makes VPN configurations very convoluted.
2. VPN config is so convoluted, in fact, that I was never able to make it work. Mind you, I've been configuring VPN connections for my company for the past 8 years, and this is the first time that I could not make it work...
3. The Site-to-Site VPN, even if I could get it to work, does not support "NetBIOS broadcast" nor "NAT Traversal" - this makes certain things not work. This was one of the big negatives I discovered about this router.
4. After being up for about 4 days, I started to notice that my network throughput was slowing down significantly. Discovered that certain networking programs, such as Skype and Hamachi (software VPN) had transitioned to "relayed tunnel" rather than the normal "direct tunnel". After I unplugged this TL-ER6120 router and went back to my old Netgear ProSafe FVS336G router, all of the connections went back to "direct tunnel."
5. TP-LINK's tech support is unresponsive: it took them 3 days to respond to some very simple questions. They have yet to respond to one of my questions after 5 days.
6. NTP time: while it supports NTP time servers, this router does not have any provisions for adjusting for U.S. Daylight Savings Time. There's no setting for this.

Other Thoughts: If you believe you will be needing support for your router, I'd recommend that you keep looking. This company doesn't seem to believe in customer support - at least not timely customer support.

Manufacturer Response:

Hello Customer,

Thank you for checking out our TP-Link Router and we appreciate your review.

The VPN configuration does have multiple pages and these tabs are seperated by VPN type - IPSEC, PPTP, L2TP. This allows you to configure by the VPN encryption that you want.

You are also correct as the NetBIOS is not going to be passes along the VPN connection, so this may cause a problem when trying to share a folder or file on the Network.

We are sorry to see that you haven't been fully satisfied with this product and we apologize for any delay in support that you may have had.

If you would like to contact me directly you may do so at

Best Regards!

TP-LINK Support Team
(866) 225-8139

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  • Mike F.
  • 9/11/2012 1:46:00 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsOk Router, Worst support, and broken Dual Wan

Pros: This router is a great bang for the buck including all the features you would want out of a router in this price range.

Cons: The whole reason i bought this router was for the dual wan. so when Comcast goes down the router will automatically switch the internet traffic to Att. After setting up all of the settings in the router for wan fail-over i did a test by unplugging the coax cable from the comcast modem and my whole office lost internet. i called tp-link and got a chinese woman who i could not understand and who could not help me. She advised me to email support. After 8 weeks of email with support i realized i was not getting anywhere and was forced to give up on this router due to the poor level of support.

Other Thoughts: TP-Link is great for unmanaged switches but for anything with an interface like a router go for a company that actually stands behind their products unlike TP-Link

Manufacturer Response:

Dear valued customer,

We apologize for any inconvenience caused by the router.
The fail-over feature is based on a ping action. If one WAN port can not ping internet, it will switch to another link. Our engineer has import your config-file and did the tests for several times but can not reproduce the issue.

I would recommend you use the load balance instead of fail-over.
It enlarge your bandwidth and at the same time keep the network always online even when one link is down.

If you need any further help, could you please contact me? I'll be more than happy to help you.

Best Regards!
TP-LINK Support Team

3 out of 3 people found this review helpful. Did you? Yes No

  • Anonymous
  • 7/27/2012 3:10:27 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsAwesome, solid, reliable!

Pros: Running strong for 3+ months now 24/7.
Excellent interface that is clean, responsive.
Quality build.

Cons: None

Other Thoughts: TP-LINK is a great company that makes great products. I've used and bought from them many products including 16/24 port gigabit switches, wireless N routers, wired routers, etc. So impressed with them and the build quality of their products, and price! Basically they're my go-to company for networking supplies.

1 out of 1 people found this review helpful. Did you? Yes No

  • Anonymous
  • 7/8/2012 3:56:07 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks Awesome!

Pros: Fast, easy

Cons: Non yet

0 out of 1 people found this review helpful. Did you? Yes No

  • SETH R.
  • 7/3/2012 11:41:37 PM
  • Ownership: 1 month to 1 year

1 out of 5 eggsdied after 3 months

Pros: Nice web interface. Easy to set up most features (except port forwarding). Works well for dual WAN failover. It's fast and handles 60mbps service at full speed. It runs cool. First one worked great for about 3 months. Also has console port.

Cons: unit 1: First one died after 3 months of usage. It powers up and works great for about 5 minutes at a time, then it just stops responding. Can't ping from internal network or from outside. It just locks up. Removing power from the device and restoring power brings it back online until it freezes up yet again. TP-Link tech support is horrible. They advertise 24-hour tech support since their answering machine is available 24x7. If you keep calling sometimes you can get through. Emailed them and called and left a message. Two days later no response. Called back and called over and over until I got someone on the phone. Asian woman who said due to the fact that it was midnight in China the "engineer" would call me back tomorrow. That was 4 days ago. Can't seem to get them on the phone again and no response by email other than automated acknowledgement of receiving my email. I don't need tech support. This unit needs to be replaced, yet you have to go through support first...

Other Thoughts: unit 2: Tech support may be horrible but I still would have given this model 5 eggs considering every good model has a few defective units, and tech support doesn't reflect the quality of the actual product. However, port forwarding is now an issue. I have to forward traffic to several different machines and the port forwarding (Virtual Servers) feature on this model is a nightmare. It seems pretty straight-forward, yet although all the correct ports are forwarded they are still closed to the outside world. I can't seem to find any other options within NAT or firewall. To open these up. This is a major configuration flaw. When the first unit failed the client decided to order another one and use the original as a backup when it is returned or replaced by TP-Link. Before I was under the impression that these port forwardings were working, but perhaps not. Can't seem to find any info on this issue and tech support is pretty much non-existent. Ports are forwarded, yet they remain closed.

Manufacturer Response:

Dear Wize IT Solutions,

I am very sorry to hear about the issues you encountered with the first product and also the port forwarding it would seem with both potential products. If you will please contact me directly at the below email address. I will be happy to help you with processing this product, the 1st one, for an RMA to have it replaced. I will also be happy to discuss further the issues associated with the port forwarding to help in resolving this as well.


Best Regards!
TP-LINK Support Force
Toll Free Tech Support: 866-225-8139

3 out of 3 people found this review helpful. Did you? Yes No

  • Ariel B.
  • 5/15/2012 2:00:40 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsInitial Impressions

Pros: This router offers a straightforward, well-organized web interface more akin to low-cost consumer routers made by Netgear and D-Link. It's very HTML/CSS-ish rather than the Web 2.0, heavily scripted front-ends used in routers like the ZyWall USG series. It's a little retro, but it's simple and it works.

Because of this simplicity, configuration went very quickly. Both ISP's CPE's offered DHCP, so wan config was trivial. As with most consumer/SOHO targeted dual-wan routers nowadays, TP-Link offers a selectable feature to keep app instances herded to the same wan so that sensitive server apps don't freak out. This feature seems to work pretty well, and I didn't have to add a ton of policy routing rules (although these are available if necessary).

Quick notes:

--Individual DDNS account for EACH wan connection!
--DHCP returns ONLY the DNS servers you specify if you use both entries, not the gw itself (yay!)
--High performance routing: A steady, 26Mbps stream wan->lan = 20% cpu l

Cons: The big, potentially deal-breaking problem:

So far as I can tell, there is no dynamic outgoing load-balancing algorithm. I haven't tested exhaustively yet, but there is no explicit setting that advertises this capability. It does offer static load balancing, which depends on you to set the up/down capacity of each wan link. It then uses this ratio to allocate wan links for each new outgoing connection. This is absolutely death for cases where one wan link is saturated and the other is relatively unloaded, particularly if the saturated link is much larger capacity than the unloaded link. Hopefully, TP-Link will address this in a future firmware update.

There does not appear to be any provision to remote manage via HTTPS.

Other Thoughts: I gave this unit 4 stars so far because it didn't fail to do the things it advertised it could do. It's also very easy to configure, which for some might be the difference between a successful install and a frustrating failure. Having just got done configuring several DD-WRT routers, a D-Link NetDefend 210 and two different Zywall USG series routers, the contrast was quite evident. For novices, this is a much easier experience.

Overall, for someone whose primary goal is to spread their monthly bandwidth cap over two ISP's, and who otherwise just web surfs/gets email/watches netflix, etc..., it's probably an good unit. If, however, you tend to completely monopolize one link and expect the other to be speedy, I'd either wait for a firmware update with dynamic load balancing, or try another brand.

4 out of 4 people found this review helpful. Did you? Yes No

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Item#: N82E16833704128
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