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Date:      Tue, 17 Dec 2013 17:42:15 +0100
From:      Michael Tuexen <Michael.Tuexen@lurchi.franken.de>
To:        Claude Marinier <claude.marinier@cae.com>
Cc:        "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>
Subject:   Re: em3 no carrier
Message-ID:  <DA542C35-6C53-4989-9BA2-FF8E66E3B364@lurchi.franken.de>
In-Reply-To: <34E38D657499684D9EBAA6D73CD2D1E21958EE48F8@CAEMEX81.caecorp.cae.com>
References:  <34E38D657499684D9EBAA6D73CD2D1E21958EE48F8@CAEMEX81.caecorp.cae.com>

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On Dec 17, 2013, at 5:27 PM, Claude Marinier <claude.marinier@cae.com> =
wrote:

> Hi,
>=20
> This is a WAN emulator (ipfw, DummyNet, and BIRD). FreeBSD 9.2 Release =
(amd64) is running on DL360 G5 with a new NC364T quad-port Ethernet NIC. =
I installed the new NIC yesterday. The four ports are connected to =
routers in a lab.
> FreeBSD WAMemu 9.2-RELEASE FreeBSD 9.2-RELEASE #0 r255898: Thu Sep 26 =
22:50:31 UTC 2013
> root@bake.isc.freebsd.org:/usr/obj/usr/src/sys/GENERIC  amd64
>=20
> Dec 16 17:13:19 WANemu kernel: em3: <Intel(R) PRO/1000 Network =
Connection 7.3.8> port 0x6020-0x603f mem =
0xfdee0000-0xfdefffff,0xfde00000-0xfde7ffff irq 17 at device 0.1 on =
pci22
> Dec 16 17:13:19 WANemu kernel: em3: Using an MSI interrupt
> Dec 16 17:13:19 WANemu kernel: em3: Ethernet address: =
e8:39:35:13:21:6e
>=20
> The four em interfaces are configured the same way (lines in rc.conf =
are identical except for IP address.
> ifconfig_em3=3D"inet x.y.113.197/29 media 100baseTX mediaopt =
full-duplex"
> ifconfig_em0=3D"inet x.y.113.14/29 media 100baseTX mediaopt =
full-duplex"
> ifconfig_em2=3D"inet x.y.113.109/29 media 100baseTX mediaopt =
full-duplex"
> ifconfig_em1=3D"inet x.y.113.189/29 media 100baseTX mediaopt =
full-duplex"
>=20
> The GE 0/1 port on the Cisco 2821 shows no link and ifconfig shows "no =
carrier" for em3. Oddly, it also shows autoselect.
So configure it on the Cisco box also as 100MBit, full duplex. Does it =
work?

Best regards
Michael
> em0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu =
1500
>    =
options=3D4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLA=
N_HWTSO>
>    ether e8:39:35:13:21:6d
>    inet x.y.113.14 netmask 0xfffffff8 broadcast x.y.113.15
>    inet6 fe80::ea39:35ff:fe13:216d%em0 prefixlen 64 scopeid 0x1
>    nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>    media: Ethernet 100baseTX <full-duplex>
>    status: active
> em1: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu =
1500
>    =
options=3D4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLA=
N_HWTSO>
>    ether e8:39:35:13:21:6c
>    inet x.y.113.189 netmask 0xfffffff8 broadcast x.y.113.191
>    inet6 fe80::ea39:35ff:fe13:216c%em1 prefixlen 64 scopeid 0x2
>    nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>    media: Ethernet 100baseTX <full-duplex>
>    status: active
> em2: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu =
1500
>    =
options=3D4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLA=
N_HWTSO>
>    ether e8:39:35:13:21:6f
>    inet 131.140.113.109 netmask 0xfffffff8 broadcast 131.140.113.111
>    inet6 fe80::ea39:35ff:fe13:216f%em2 prefixlen 64 scopeid 0x3
>    nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>    media: Ethernet 100baseTX <full-duplex>
>    status: active
> em3: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu =
1500
>    =
options=3D4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLA=
N_HWTSO>
>    ether e8:39:35:13:21:6e
>    inet 131.140.113.197 netmask 0xfffffff8 broadcast 131.140.113.199
>    inet6 fe80::ea39:35ff:fe13:216e%em3 prefixlen 64 scopeid 0x4
>    nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>    media: Ethernet 100baseTX <full-duplex> (autoselect)
>    status: no carrier
>=20
> I have tried three Ethernet cables with no difference. This morning, I =
briefly booted Puppy Linux from USB and manually configured the four =
Ethernet interfaces. They all work (ping good to all four routers); the =
Cisco on em3 shows happy lights. I then booted back into FreeBSD, the =
problem with em3 remains. I have not had any success searching with =
Google; I may not have used suitable search terms.
>=20
> One more odd symptom: bmon has trouble with these interfaces.
> em0=E895^S!m on WANemu
>          Name
> qqqqqqqqqqqqqqqqqqqqqqqq
> WANemu (local)
>  0   em0=E895^S!m
>  1   em1=E895^S!l
>  2   em2=E895^S!o
>  3   em3=E895^S!n
>  4   usbus0
>  5   usbus1
>  6   usbus2
>  7   usbus3
>  8   usbus4
>  9   usbus5
>  10  ipfw0
>  11  lo0
>=20
> It looks like FreeBSD is somehow mishandling these interfaces. Before =
purchasing it, I searched with Google and found reports of people using =
this device without problems. I do not know how to proceed.
>=20
> Thank you for your help.
>=20
> --
> C Marinier
>=20
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> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
>=20




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