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Date:      Wed, 3 Dec 2014 17:05:56 +0100
From:      Patrick Proniewski <patpro@patpro.net>
To:        Steven Hartland <killing@multiplay.co.uk>
Cc:        freebsd-net@freebsd.org
Subject:   Re: Horrendous upload network performance with VLAN (download seems OK)
Message-ID:  <43C2162E-2B9F-437F-B4CF-E792CEC5DA7B@patpro.net>
In-Reply-To: <547F3352.3040101@multiplay.co.uk>
References:  <727AB395-CF83-4D13-A2C3-50969C2969B0@patpro.net> <547F3352.3040101@multiplay.co.uk>

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I did and it failed, but maybe I've not used the right syntax:

	# ifconfig bxe0 -vlanmtu
	ifconfig: -vlanmtu: Invalid argument

man bxe makes me think that this driver won't allow this kind of =
changes.


On 3 d=E9c. 2014, at 16:59, Steven Hartland <killing@multiplay.co.uk> =
wrote:

> Have you tried disabling all the various flags VLAN flags on the NIC?
>=20
> On 03/12/2014 15:46, Patrick Proniewski wrote:
>>=20
>> Blade B is configured to access the network through a link sporting =
multiple VLANs, so I've created a network interface that uses one of =
these VLANs. Ping is OK, I can ssh to this server, transfer rate to the =
server (down) is not fantastic but OK, enough to perform pkg =
installation or FreeBSD update. Transfer rate from the server to the =
rest of the world is abysmal, often stalling after few 100's KB.
>>=20
>> 	ifconfig_bxe0=3D"UP"
>> 	vlans_bxe0=3D"161"
>> 	ifconfig_bxe0_161=3D"inet x.y.z.142/24"
>> 	defaultrouter=3D"x.y.z.1"
>>=20
>> 	# ifconfig bxe0
>> 	bxe0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> =
metric 0 mtu 1500
>> 	    =
options=3D507bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSU=
M,TSO4,TSO6,LRO,VLAN_HWFILTER,VLAN_HWTSO>
>> 	    ether 00:17:a4:77:04:10
>> 	    nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>> 	    media: Ethernet autoselect (10Gbase-CX4 <full-duplex>)
>> 	    status: active
>>=20
>> 	# ifconfig bxe0.161
>> 	bxe0.161: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> =
metric 0 mtu 1500
>> 	    options=3D303<RXCSUM,TXCSUM,TSO4,TSO6>
>> 	    ether 00:17:a4:77:04:10
>> 	    inet x.y.z.142 netmask 0xffffff00 broadcast x.y.z.255
>> 	    inet6 fe80::217:a4ff:fe77:410%bxe0.161 prefixlen 64 scopeid =
0x10
>> 	    nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>> 	    media: Ethernet autoselect (10Gbase-CX4 <full-duplex>)
>> 	    status: active
>> 	    vlan: 161 parent interface: bxe0



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