Date: Tue, 19 Nov 2019 15:07:52 -0800 From: Mel Pilgrim <list_freebsd@bluerosetech.com> To: freebsd-net@freebsd.org Subject: CenturyLink gigabit PPPoE/igb, are there still performance issues? Message-ID: <f7231530-4f29-4871-a30e-ad0af8236605@bluerosetech.com>
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I have CenturyLink GPON service, which uses PPPoE. I've read about the performance bottleneck with PPPoE over igb interfaces limiting throughput to only a few hundred Mbps unless run on fairly capable hardware. Caveat: the posts that discuss this issue are a few years old. The hardware I have is a Xeon E3-1245v6 with igb interfaces. That seems like it should be beefy enough to handle a gigabit of PPPoE. In testing, I get 800+ Mbps when connected though the router provided by CenturyLink, but only 350 Mbps when connected directly to the ONT. If I add an em-based NIC, will that work around the issue? Is a cxgbe-based NIC the better choice?
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