order of enet interface drivers

Ray ray at stilltech.net
Sun Mar 25 02:21:24 UTC 2007

On Saturday 24 March 2007 8:38 pm, jekillen wrote:
> Hello;
> I have two identical intel interface cards installed
> in a ASUS N2M32 pro motherboard. The os version
> is 6.2 GENERIC running on AMD64, socket AM2.
> The motherboard has dual interfaces that use Marvell
> drivers. I cannot use these with this version of FreeBSD

I'm working on a similar board. have you looked at:
I'm having success with this approach.

> as yet. So I got two Intel interface cards that work in
> PCIe slots. Because of the hardware component situation
> on this motherboard  I cannot use the interfaces in PCIe lane
> one slots as on of these slots is blocked, physically, and the
> card will not fit. So I am using the two PCIe lane 16 slots.
> I modified rc.conf (see PS at bottom) to bring up the interfaces at
> boot.
> They both come up and running with network addressess
> assigned, as em0 an em1.
> The problem:
> I can ping em0 from local host and connect to ftp and ssh
> from the inside network, all is well
> I cannot ping em1.
> ifconfig shows it up and running, with no carrier, I.E. no
> network cable attached but I should be able to ping it
> from local host, yes? no? Yes.
> Here is the obvious question
> the order of interfaces listed by ifconfig is
> em0
> fwe0
> em1
> the question is:
> Is it possible that fwe is blocking em1?
> I have fwe0 down and took it out of
> rc.conf so it does not come up on boot
> but still shows up in this order with ifconfig.
> If this is possible, how do I tell the system to
> load fwe0 after em1 or not at all  to see if I can ping it successfully?
> copied from ifconfig output:
>          options=b<RXCSUM,TXCSUM,VLAN_MTU>
>          inet netmask 0xffffff00 broadcast
>          ether 00:15:17:19:2c:89
>          media: Ethernet autoselect (100baseTX <full-duplex>)
>          status: active
>          options=8<VLAN_MTU>
>          ether 02:11:d8:bf:40:d4
>          ch 1 dma -1
>          options=b<RXCSUM,TXCSUM,VLAN_MTU>
>          inet netmask 0xffffff00 broadcast
>          ether 00:15:17:19:2a:b7
>          media: Ethernet autoselect
>          status: no carrier
> ping results:
> am2# ping -c 1 em1
> ping: cannot resolve em1: Host name lookup failure
> am2# ping -c 1
> PING ( 56 data bytes
> --- ping statistics ---
> 1 packets transmitted, 0 packets received, 100% packet loss
> am2#
> Any clues?
> Jeff K (being necessarily philosophical at this point)
> PS I say I edited rc.conf to make network changes
> because I got the syntax correct for doing this. It
> does work, not with commands, just variable/value assignments
> JK
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