I have a situation where I need to make the best of a bad DSL situation. The CPE is a black box with no access to DSL diagnostics. My plan is to get some sort of DSL hardware that exposes link-layer state and gives me knobs to tweak. I'd like to be able to mitigate bufferbloat as much as I can while I'm at it. The obvious choice would seem to be a Sangoma card in a linux system. I have no way of knowing if that will do anything for me without testing it, however. I have no other access to WAN troubleshooting equipment. Are there any other options avail to me as a consumer?
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I'd either go with the Sangoma ADSL card, or possibly just bridge to PPPoE with a Draytek Vigor 120, and then handle the rest of the handshake nonsense on a better device, by just terminating the PPP stuff on your router/server.
Other than that, there's not a great deal of options. There are some ADSL2+ cards for Cisco ISR routers.
Other than that, you might be SOL, I'm afraid.
Tom O'Connor
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