>Number: 189234
>Category: kern
>Synopsis: [em] Big lag with Ethernet Connection I217-V
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri May 02 13:30:00 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator: Cedric
>Release: 10.0-STABLE
>Organization:
Kreiz IT
>Environment:
FreeBSD Test.RP614v4 10.0-STABLE FreeBSD 10.0-STABLE #0: Thu May 1 06:25:14
CEST 2014 root@Test.RP614v4:/usr/obj/usr/src/sys/GENERIC amd64
>Description:
Pciconf :
em0@pci0:0:25:0: class=0x020000 card=0xe0001458 chip=0x153b8086 rev=0x04
hdr=0x00
vendor = 'Intel Corporation'
device = 'Ethernet Connection I217-V'
class = network
subclass = ethernet
Network lag when using this interface with ssh. SMB share are unusable on this
nic.
Quick network trace reveal a lot of DUP ack and retransmit.
With a re0 nic, system go well.
>How-To-Repeat:
Use a I217-V chipset as nic and do some ssh keying or use samba.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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