Why I buy this one ?
- LAN Ports - 4
- WAN Ports - N/A
- Firewall - SPI

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What our customer's say!

"Works with OOL Boost", Since the new firmware from october 08' 1.2.10 IPS on allows full speed throughput on up past 30mbps.
I am at 40mbps and all is fine.
No malformed packets
FTP server works fine and at full speed
No issues
I am using cat6 cables and gigbit ethernet cards and switches.I do not think jumbo frames is set to on in eth cards or router.
All good for OOL Boost customers too.

"rare gigabit WAN port in a wired firewall/router", I purchased the RVS4000 primarily due to its gigabit WAN port; very few wired firewalls have a gigabit WAN port. Not having a gigabit WAN port is a reasonable design because WAN ports in many SOHO firewall applications will likely connect to T1 (1.5 Mbps) or T3 lines (45 Mbps) at most. Since these data rates are lower than that of an ordinary 100 Mbps ethernet port, a gigabit WAN port is more than what is required of a WAN interface.

However, I wanted to use a firewall/router on the network inside of my primary NAT/SPI firewall which is primarily a gigabit network. So, a gigabit WAN port was an important feature because it needs to connect to a gigabit switch (not a WAN link).

Before my purchase, I read many customer reviews that complained about slow data rates through the WAN port. These reviews were very discouraging since the Linksys had a gigabit WAN interface. This was until I found a benchmark test that explained the negative reviews. The RVS4000 (primarily due to its industrial-grade security features) has a WAN to LAN data rate of 15.9 Mbps; very slow for a gigabit interface. However, this can be improved upon by configuring (turning off) the security features of the firewall. Unless you configure the firewall as a non-gateway device, don't expect orders of magnitude improvement in speed.

Here's the good news. The benchmark clocked the RVS4000 LAN to WAN data rate at 530 Mbps. Since many disk drive interfaces do not have a sustained data rate this high; you will not see this number when transfering files. I have a couple NAS RAID boxes with gigabit interfaces that top out at around 100-150 Mbps (individually). I can get higher network utilization numbers when doing several files transfers between different network endpoints simultaneously. Network file transfers tend to be very CPU intensive, even when using SCSI hard drives. The CPU intensive part comes from having to package up the data into IP packets and managing the data transfer.

The bottom line is that I am very satisfied with this firewall and its gigabit WAN port. But understand that it needs to be configured properly to optimize its performance and functionality. You don't need to be an engineer or rocket scientist to do this; however, you will need a bit of understanding about IP networking. If you use the RVS4000 as a primary firewall (configuring all of its security features), I suspect it will do that job rather well also.


"2 bricks", I have long since thrown these in a closet, but couldn't help throwing my review in. These are horrible. I have two bricks that used to be called the Linksys RVS4000. Both failed, support is horrible, and it was easier to just toss them then try to get replacements. Beware.

"Not suitable for business use", Be vary careful with the RVS4000. It's in the "Business Series" of RVxxx routers but it's stripped of all business class features. Most glaring is no support for multiple WAN IP addresses commonly provided with business class Internet.

What you get is a one-to-many NAT, firewall with traffic inspection, VPN service, QoS rules, a 4 port gigabit switch, and a gigabit uplink port. Only the 4 port switch functions with NAT disabled.

Web-based configuration is very elegant and the help pages actually help. Too many basic settings require a lengthy reboot. Expect to spend the first 30 minutes of ownership watching a progress bar and blinking LEDs.

My test of throughput from LAN to LAN via DMZ yielded about 15Mbps with the firewall on and about 25Mbps with the firewall off. There were moments when it was much faster but it sputtered and stalled too often to maintain a good average. Linksys claims an amazing NAT throughput of 800Mbps that I couldn't reproduce. LAN to LAN across the switch was faster than I could test. With the default configuration, no LANs could access the Internet while the DMZ was serving data. I didn't hang on to this router long enough to see if QoS rules would fix that.

This isn't the "Business Series" performance I expected. It certainly couldn't support a small satellite office with Business DSL. It's lacking even for a home router.

"Garbage", Do not buy this product. Search the web for 'rvs4000 ftp'. You will see that you cannot ftp through this router. Worse yet, Linksys doesn't care. They have made no effort to fix it and don't even respond to customers about the issue.

Read this reviews before You buy...

"VPN Doesn't Work", I bought this router to set up VPN for a business client. I thought a Linksys router off the shelf would be a simple working solution. The customer needed to attach remotely with an XP laptop using a DSL connection. I set up the router behind a completely open Netopia router from the ISP. The ISP's Netopia router was set up as bridge only. I installed the Linksys QuickVPN client. The QuickVPN client wouldn't work. After 2 weeks on the phone with Linksys it was still not working consistently. It did work 1 time but quickly failed to work. They finally escalated it to another level where they were able to replicate the problem in the "lab". The only criteria were the Linksys router must be set up behind an open DSL router. Likely, this is the most common configuration of all. It must not have been tested in this configuration prior to release. ??? So, they escalated it to another level and sent it to engineering. They can't give me an ETA and don't know when they can even start troubleshooting. They have been very nice if not very helpful. No one has done any real troubleshooting during this whole process. I have done some port analysis and have tried other VPN Clients to no avail.
Conclusion: Portable VPN (QuickVPN) does not work with the RVS4000 behind a DSL router. This is a router without VPN.
Solution: I will try a HotBrick VPN router.
Hotbrick - 401VPN - 4-Port VPN Firewall Router

"Unrealized Potential", Have had this device for over a year. Great specs and features for an advanced SOHO. Not very stable and constently needs to be reset manually. Have had the same problems with its sister product (WRVS4400N) which I also own. They are both niche products and Linksys is really not putting out stable firmware for either. I no lomger have them in my home network.

"Y4K junk heap! firmware download of 1.1.14 registered as 1.1.11! how stupid is that?!", In addition to said title of this message, you can't even access the configuration with the "admin" user/passcode. If you use utilities to update firmware, the onsite firmware is acutally listed as 1.1.14 and DOWNDates mine from it's inital 1.1.12 to 1.1.11! how droll! If you have an earthlink acount, your in for a bigger mess as they're "spaeecial!" meaning you must both bridge your modem(via instructions if your lucky to get a tech that's cohearent, I did. once.) The router has it's own problems(thus I don't reveiw my modem) the modem problem is solved! And yet mister router here, still won't config once you bridge it. PPOE support is awful! avoid in not only Vista but also XP!!! Not OS fault, the router's lameness and mal firmware!

"Product fine, but VPN for Vista doesn't work yet", There isn't a problem with this router, it works fine, however, if you are using Windows Vista you are in trouble. This is because Linksys still hasn't resolved why its QuickVPN software won't connect with Vista. So, if you are buying the VPN router hoping to connect to your office, watch out. QuickVPN doesn't work and despite Linksys (Cisco)'s giant size--their engineers cannot solve the QuickVPN problem.

They should disclose this to you before you buy the router. This is why I am writing the review--to warn the next buyer.

"VPN doesn't work", The basic router functions seem to work. Others say the latency is poor - but I have no means to measure it. However, trying to make a VPN connection through it using QuickVPN does not work for me. I have been trying to get help on the Linksys forum - plenty of others with similar problems but no solutions. I tried getting online support a couple of times - but gave up waiting. Documentation useless. Error messages meaningless and diagnostic tools, none. I suggest trying something else.