I saw a similar problem and I got it fixed changing the frequency channel of the wireless box. Did you try this already?
On 8/10/08, ropers <[EMAIL PROTECTED]> wrote: > 2008/8/6 OpenBSD Misc <[EMAIL PROTECTED]>: > > Hi. I'm at my wits end. > > > > My original configuration: > > I have a laptop (HP Pavillion dv9700). It comes with an integrated Intel > > Wireless WiFi Link 4965AGN adapter and is running Vista Home Premium. I > > have a D-Link DWL-2200AP wireless access point. I have an old Gateway > > computer with a P3 processor running at 650 MHz and five NICs that was > > running FreeBSD 7. I have a Westell DSL modem with 3000/768 service through > > Verizon. The Gateway is set up as a firewall with ipf. The notebook > > connects wirelessly to the WAP, which is cabled into a NIC in the firewall, > > which is cabled to the DSL modem through a different NIC. > > > > The problem: > > I noticed that my wireless was running slowly. Verizon has a speed testing > > website, so I test my speed with it. My upload speed nearly maxes out at > >>700 Kbps no matter what my configuration is. My download speed doesn't > > typically get above 90 Kbps. BUT, I have a PC running Windows XP Pro > > connected to a third NIC in the firewall, and the speed test nearly maxes > > out both upload and download speeds. > > > > What I did: > > Okay, something's wrong with the wireless link. I connect the WAP directly > > to the DSL modem and retest my speed. I'm running at FULL speed, so the > > problem isn't with the wireless connection between the laptop and the WAP. > > So I reconnect the WAP to the firewall with a different (new, prefab, > > unopened) ethernet cable and retest. Download speed sucks again; it's not a > > cabling issue. So I move to a different NIC and retest. Download speed > > still sucks; it's not the NIC. So I move to the NIC to which my XP PC was > > connected (which got fast download speeds) and retested. Download speed > > STILL sucks. I buy a D-Link DAP-1522 wireless access point and replace the > > DWL-2200AP. I retest and get sucky download speeds. I've been wanting to > > move to OpenBSD and pf for some time now, so I install OpenBSD 4.3 on the > > firewall, set up my DSL connection, DNS service, and DHCP service. I > > configure pf with a minimal configuration that basically lets all outbound > > traffic pass and blocks all inbound traffic from the internet. I test > > connectivity, and my Vista laptop and XP PC both connect to the Internet and > > can talk to each other. The firewall can talk to everything. I put all > > cables back to their original configuration; everything's connected as it > > was when I first noticed the problem except for the new WAP, the new OS, and > > the new cable. I retest my speeds. I'm back where I started: XP PC gets > > full speed internet service, laptop gets sucky download speeds through the > > wireless link. So with OpenBSD on the Gateway I retry everything I just > > described above with the new WAP and new cable and get the same results. I > > put everything back to the original configuration again except the WAP, OS, > > and cable. I test the speed over the wireless link again and get sucky > > download speeds. I copy a large file from my XP PC to my laptop (which is > > still connected to the firewall wirelessly all this time) and I get GREAT > > transfer speeds. > > > > Conclusion: > > So I can talk through my WAP and through my firewall to anything else on my > > side of the internet connection at full speed, and everything that's not > > wireless can talk through the firewall to the internet at full speed. But I > > cannot talk through my WAP and through my firewall to the Internet at full > > speed. I can talk through my WAP to the Internet (not through the firewall) > > at full speed. > > > > Can anyone please offer some assistance? > > > > Thank you... > > > > > > Additional information: > > The three NICs in the firewall that I tried use the vr, xl, and ne drivers. > > The vr has a VIA Rhine or RhineII chipset. The xl is a 3Com 3c905, and the > > ne is a generic card using the Realtek 8029 chipset. > > > > <snip /> > > I'm clueless as to your actual problem, but I did have the following thoughts: > > The question is whether this problem is > OS/software/configuration-specific. The fact that you've encountered > the same problem with FreeBSD and OpenBSD seems to suggest that it's > not OS/software-specific, but there are some commonalities between the > various *BSDs, and there is more common code between Free- and OpenBSD > than between Linux and OpenBSD. I don't know^W^W^WAccording to > http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/firewalls-apps.html > , FreeBSD uses IPF, IPFW and PF. Which did you use when you tried > FreeBSD? If you used PF both on OpenBSD and FreeBSD, then it might be > a PF problem. This may be a bit of work to even try, but are you > encountering the same problems with the other firewalls under FreeBSD? > If yes, then you could try to rule out problems because of common code > in the OpenBSD and FreeBSD OSes by trying Linux/IPtables and checking > whether you're having the same problems there. > Obviously, what you also haven't changed is the mainboard (you only > tried different NICs), though it would be really really really weird > if such a problem turned out to be related to a specific mainboard. > I'm not sure if things like MTU problems might come into play in your > scenario, maybe someone more knowledgeable may be able to say if these > can be ruled out. > > Just my two eurocents; sorry I can't be of more help. > > --ropers > > -- Alex
