CNET editors' review
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CNET editors' rating:
stars
Good
Detailed editors' rating
- Reviewed on: 02/25/2003
- Updated on: 02/28/2003
- Released on: 12/01/2002
Editors' note:
This product was released prior to the final ratification of the 802.11g standard, but firmware upgrades for most 802.11g draft-based products are now available that bring older products up to the final spec. Often these upgrades include other enhancements, such as improved security features for stronger encryption. Check the manufacturer's support site for firmware upgrades and look for firmware posted after June 15, the date that 802.11g was ratified.
Wireless-G, the draft version of the forthcoming 802.11g standard, looks great on paper. Low-cost, high-speed 54Mbps throughput and backward compatibility with 802.11b make you wonder why you'd ever pay for a pricey 802.11a device. Unfortunately, the Linksys WRT54G Wireless-G router doesn't quite live up to expectations. While real-world wireless performance seems to hover around 50 percent of what almost all wireless-device manufacturers claim, the Linksys Wireless-G router delivers even less than that. Also disappointing is the operating range of the Wireless-G router, which is considerably shorter than that of an 802.11b router. Worst of all, connect the Linksys WRT54G to both Wireless-G and 802.11b network adapters simultaneously, and its speed bumps down closer to 802.11b levels. Linksys claims this last problem has been fixed by a firmware revision, but when we tested the new firmware, we noticed only moderate improvement. With more firmware updates likely in the future, we recommend that you skip 802.11g for now.Due to Linksys's huge consumer market share and no-nonsense software, the company's routers have set the standard for easy router setup. The WRT54G is no exception: A tabbed, browser-based utility provides access to all the router's features, with the basic settings summarized in the top Setup tab. As with other more recent Linksys products, the WRT54G also provides a handy first-time setup that walks you through choosing basic SSID, IP address, and security settings. Curiously, the PDF user manual doesn't mention the wizard, although it's the first menu choice when you pop in the WRT54G's accompanying CD.
This product was released prior to the final ratification of the 802.11g standard, but firmware upgrades for most 802.11g draft-based products are now available that bring older products up to the final spec. Often these upgrades include other enhancements, such as improved security features for stronger encryption. Check the manufacturer's support site for firmware upgrades and look for firmware posted after June 15, the date that 802.11g was ratified.
Setup screen makes configuration easy.
The WRT54G's only significant diversion from the usual setup procedure is the Wireless-G control. By default, the WRT54G is set to Mixed so that both Wireless-G and 802.11b clients can connect. However, given the slow throughput, we experienced when connecting to both types of clients simultaneously, you'd be better off setting the router to G-Only and forgetting about backward compatibility.
A helpful quick-start guide gets you rolling. Another nice touch is the complete Windows setup information found in the electronic manual, with separate instructions for Windows 98, Me, 2000, and XP. The manual also provides a brief, clear discussion of DHCP vs. fixed IP networks to help beginners make this crucial choice. And Linksys continues its practice of putting a short Ethernet cable in the box, so you can just plug in and configure away.
Nothing except a small 54G label on the outside of the WRT54G suggests its fancy new Wireless-G innards. Its run-of-the-mill, purple-and-gray Linksys box sports more than the average complement of indicator lights for links and activity, however. Like many wireless routers, the WRT54G is also a four-port wired router, with three indicator lights for each port and two lights covering all wireless connections. If you get into trouble during configuration, a Reset switch returns you to the factory default settings.
This tab lets you make more-advanced security settings.
The Advanced screen also lets you implement MAC address filtering, which restricts network access to a list of devices with those addresses. Were you to combine this feature with shared-key 128-bit WEP and disable SSID broadcasting, you'd have close to the best security available, short of setting up a VPN.
In Wireless-G mode, the WRT54G averaged 15.6Mbps, a little more than three times the speed of the fastest 802.11b router we've tested and fairly close to the real-world speeds of 802.11a, which hover around 20Mbps. That's pretty cool, considering that 802.11a routers cost roughly double the price of 802.11b routers. Remember, however, that virtually all 802.11a routers feature a turbo mode that bumps up throughput to as high as 30Mbps, levels that the WRT54G can't touch.
Unfortunately, the range of the WRT54G in our testing was similar to that of 802.11a: 76 feet in a typical office setting. That's roughly 25 percent shorter than a typical 802.11b device's (although range varies widely among 802.11b devices).
The biggest problem with the WRT54G, however, was that when we tested the device with both 802.11b and Wireless-G clients simultaneously, throughput devolved to roughly 6.7Mbps, closer to the real-world performance that's typical of 802.11b devices.
We tested the WRT54G with the latest firmware revision available on the company's Web site. According to Linksys, the firmware fixes problems with Wireless-G performance drop-offs when 802.11b clients connect at the same time--but our retest showed only moderate improvement. Linksys brags that it sold more than 100,000 Wireless-G products in January 2003, which was the first month of sales. We can only hope that forthcoming router firmware updates do a better job of fixing the problem.
Throughput tests (Measured in Mbps; longer bars indicate better performance)
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Chariot response time (Response time in milliseconds; shorter bars indicate better performance)
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Indoor range test (Relative performance in typical office setting) (Distance in feet)
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For practical throughput tests, CNET Labs uses NetIQ's Chariot 4.3 software as its benchmark. For wireless testing, the clients and routers are set up to transmit at short ranges and at maximum signal strength. CNET Labs' response-time tests are also run with Chariot software using the TCP protocol. Response time measures how long it takes to send a request and receive a response over a network connection. Throughput and response time are probably the two most important indicators of user experience over a network. For more details on how we test networking devices, see the CNET Labs site.
As with all Linksys products, tech support for the WRT54G has its pluses and minuses. On the downside, there's a short, one-year warranty. On the upside, you get toll-free, 24/7 phone support. In addition, the Linksys Web site provides e-mail support along with a wealth of support material, including a monster knowledge base; complete downloads, including manuals and firmware upgrades for every product; and clear, helpful information about networking in general.
Linksys's tech-support site provides a wealth of information.
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