[clue] networking Q? (SOLVED)

[Mike Bean]

(Solved).  Thank you.  I just needed a way to figure out which eth the
network was on.

Mike B

On Tue, Jul 5, 2016 at 1:36 PM, Mike Bean <beandaemon at gmail.com> wrote:

> Think I might've figured it out.  Discovered ethtool -i will give you the
> driver of the device.  Discovered the 10G is actually eth4 on this box.
> Testing my hypothesis.
>
>
> On Tue, Jul 5, 2016 at 1:33 PM, Charles Burton <charles.d.burton at gmail.com
> > wrote:
>
>> Did you make sure the HWADDR is the same?  You can just comment that out
>> too if you're using a single adapter.
>>
>> On Tue, Jul 5, 2016 at 1:25 PM, Mike Bean <beandaemon at gmail.com> wrote:
>>
>>>
>>> OK, I'm running low on my bag of tricks,  as is my custom when I get
>>> desperate, I consult the council!
>>>
>>> I have a series of seven DL380's using 10GB 2 port NICs which are HP 560
>>> SFP adapters.  Using the same configuration on each host, I've been able to
>>> get network on six of them, using CentOS 6.7; config files follow
>>>
>>> As near as I can tell, the only difference between the one without
>>> network, and the 6 that do, is the six that do have two of the 10GB nics,
>>> and the one without, has one.  (2 ports to each NIC)
>>>
>>> Ethtool shows no link, ip link show, shows BROADCAST, MULTICAST, UP,
>>>  state unknown.
>>>
>>> (scratches head)   If I'm missing something, I sure don't know what it
>>> is.  Got my networking guy to show me a copy of the switch port config,
>>> it's identical for all ports.  My onsite guy assures me it's plugged in and
>>> they've got link light on the cable.
>>>
>>> If I'm missing something, it sure isn't jumping out at me.  So all
>>> advice is appreciated.
>>> Is there a way to tell definitively which ethernet I need configure?  In
>>> case maybe it's not eth0?   Unlikely - since the other six came up fine
>>> when I configured eth0, but I'm running low on ideas.
>>>
>>> Mike B
>>>
>>> (etc/hosts)
>>> 127.0.0.1   localhost localhost.localdomain localhost4
>>> localhost4.localdomain4
>>> ::1         localhost localhost.localdomain localhost6
>>> localhost6.localdomain6
>>> 127.0.1.1 (HOSTNAME)
>>>
>>> (/etc/resolv.conf)
>>> search DOMAIN1 DOMAIN2 nameserver DNS1 nameserver DNS2
>>>
>>> (/etc/sysconfig/network)
>>> NETWORKING=yes
>>> GATEWAY= (GATEWAY)
>>> HOSTNAME= (HOSTNAME)
>>> IPV6FORWARDING=yes
>>> IPV6_AUTOCONF=no
>>> IPV6_AUTOTUNNEL=no
>>> IPV6_DEFAULTDEV=eth0
>>> NETWORKING_IPV6=yes
>>>
>>> (/etc/sysconfig/network-scripts/ifcfg-eth0)
>>>
>>> DEVICE=eth0 HWADDR= (SOMEADDR) TYPE=Ethernet UUID= (SOMEUUID) ONBOOT=yes
>>> NM_CONTROLLED=yes BOOTPROTO=static GATEWAY= (GATEWAY) IPADDR=(IPADDR)
>>> NETMASK=255.255.255.0 DNS1= (DNS1) DNS2=(DNS2) DOMAIN=(DOMAIN) PEERDNS=no
>>> USERCTL=no
>>>
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>>
>>
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>
>
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