8 of 9 people found the following review helpful
ADSL2+ Modem - small and straightforward
, 15 Oct. 2010
This review is from: DrayTek Vigor 120 - DSL modem - external - Fast Ethernet [PC] (Personal Computers)
I recently moved and was forced to change my broadband connection to an ADSL2+ connection (sadly no cable) and went with an O2 Broadband package. They sent their O2 Wireless Box IV modem/router (which is really a Thomson TG587n v2 router in disguise with branded firmware and massively reduced functionality/configurability). I wasn't happy with not being able to configure the router the way I wanted and decided to use my existing D-Link VUP824+. I didn't want to invest in a dedicated ADSL modem/router, so opted to get an ADSL modem instead - hence the Vigor 120 (there's suprisingly few devices out there that simply perform as an ADSL modem).
Draytek have a FAQ page that describes how to configure the Vigor 120 for use with O2/BeThere, as they use a non-standard ADSL setup, MPoA rather than PPPoA. Following the instructions on the website, I configured the 120 to clone the O2 Wireless box MAC address and use MultiMode modulation, and acquired an IP address from O2 by connecting my laptop directly to the modem. Pretty straightforward. Took a reboot of the modem to get it to connect, but it does connect and seems pretty stable.
Plugging in the D-link router (modem ethernet -> D-link WAN input) and setting the router to Dynamic IP, it connected immediately and the router has an IP assigned from O2. So there's no issue with connecting a router to the Vigor via MPoA.
However, I did some speed tests using a bunch of online websites to compare speeds with the O2 Wireless Box and the Vigor 120. For some reason, I consistently seem to get a drop of around 300kbps on my download speed. Now given that I am a long way from the exchange, the maximum download speed I was getting was a crappy 3.3Mbps, so a loss of 300kbps is quite signficant. Upload speed seems to be about the same or very slightly better. I have read elsewhere that there is a speed cap of 7.5MBps that is a result of not using the Broadcom chipset, but since I'm a long way off that monumentous speed, I'm not too worried.
I am in communication with Draytek support to resolve the speed, and so far they've been pretty responsive. I will update this when the issue is resolved (or not).
Note that I did upgrade the Vigor 120 firmware to the latest 22.214.171.124.
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