Date: Wed, 21 Feb 2018 13:39:52 -0500 From: Mike Tancsa <mike@sentex.net> To: "freebsd-emulation@freebsd.org" <emulation@freebsd.org> Subject: vtnet vs em in virtualbox Message-ID: <f7b5a5c3-125f-497c-6f34-9e548872219b@sentex.net>
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Hi all, I noticed recently in RELENG_11 some not so good performance on VMs using the vtnet driver. For example on a bridged interface to an epair nic on the hypervisor, em gets 1.2Gb vs not much more than 250Mb on the vtnet driver. Any ideas what might be going on ? ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 x203 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada
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