On 7/31/2021 3:55 PM, Neal Cardwell via Bloat wrote:
FWIW, from the paper it sounds like not all Comcast cable modems
had/have PIE, which enabled the A/B experiment:
"10. Latency Measurement Results
As explained earlier, for two variants of XB6 cable modem gateway,
upstream DOCSIS-PIE AQM was enabled on the CGM4140COM (experiment)
variant but was not available on the TG3482G (control) variant during
the measurement period. The TG3482G variant used a buffer control
configuration that predated AQM in DOCSIS."
For Comcast:
Mine is a TG1682G, which I'm betting lacks PIE. So how do we get an upgrade?
It's running in bridge mode so I can run my own DHCP server and override
the default Comcast DNS servers, allowing me to use local names in my
network. I run my own OpenWRT router behind it to do that. I'd love to
eliminate the extra hop so how about giving us more control over the
integrated DHCP(6) server? Let me override the options, both defaults
and in fixed MAC-based assignments.
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