"igb" interfaces aren't picking up media on boot

[Pieper, Jeffrey E]

         ether 00:00:00:00:00:00

Doesn't seem like a valid MAC.

Jeff
-----Original Message-----
From: owner-freebsd-net at freebsd.org [mailto:owner-freebsd-net at freebsd.org] On Behalf Of Steven Hartland
Sent: Wednesday, September 28, 2016 5:00 AM
To: freebsd-net at freebsd.org
Subject: Re: "igb" interfaces aren't picking up media on boot

Try assigning an IP to the interface or manually up it.

On 28/09/2016 12:13, Andrew Savchenko wrote:
> Dear All,
>
> I've moved my lovely server to the datacenter and now pulling my hair out
> while trying to
> understand why both of /dev/igb interfaces aren't picking up Ethernet
> connection on boot.
> Tested with both 10.3-REL and 11.0-REL.
> On the other end it's connected into Dlink DES-1210-52 switch.
>
> When system is booted, running `ifconfig | grep status` over iKVM returns:
> status: no carrier
> status: no carrier
>
> However, after `/etc/rc.d/netif restart && /etc/rc.d/routing restart` it
> picks up the cable
> which is connected to one of the ports. Both interfaces are Intel I210AT
> integrated in the MB.
>
> For the moment being, the only solution I see is to create a separate
> script in /etc/rc.d
> and restart netif/routing after boot is completed.
>
> Could this be a problem specific to onboard interfaces?.. I was using this
> particular box
> in other environment without any similar problems on 10.0-REL.
>
> Output from `ifconfig` when one of the interfaces is up:
> igb0: flags=8c02<BROADCAST,OACTIVE,SIMPLEX,MULTICAST> metric 0 mtu 1500
>
> options=6403bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6>
>            ether 00:00:00:00:00:00
>            nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>            media: Ethernet autoselect
>            status: no carrier
> igb1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>
> options=6403bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6>
>            ether 00:00:00:00:00:00
>            inet 111.111.111.111 netmask 0xffffff00 broadcast 111.111.111.255
>            inet 111.111.111.112 netmask 0xffffff00 broadcast 111.111.111.255
>            nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>            media: Ethernet autoselect (100baseTX <full-duplex>)
>            status: active
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
>            options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
>            inet6 ::1 prefixlen 128
>            inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
>            inet 127.0.0.1 netmask 0xff000000
>            nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
>            groups: lo
>
> # uname -a
> [FreeBSD 11.0-RELEASE #0 r306211: Thu Sep 22 21:43:30 UTC 2016
> root at releng2.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64]
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