Weird ethernet port behavior

[Matty Sarro]

After adding the HWADDR line to each of the ifcfg-* files, it looks like
eth1 is staying put. However, even though its unplugged eth3 shows that
there is link detected when running ethtool? There's definitely nothing
connected.

On Thu, Sep 23, 2010 at 1:19 PM, Matty Sarro <msarro at gmail.com> wrote:

> Trying it now, problem is it has to be automated so I have to start from
> scratch. Will report back afterwards. Going to try specifying them in the
> ifcfg files, and if that doesn't work I'll try adding udev rules.
>
> Blah, this script is getting incredibly and annoyingly complex, lol.
>
>
> On Thu, Sep 23, 2010 at 12:56 PM, <m.roth at 5-cent.us> wrote:
>
>> Matty Sarro wrote:
>> > Hey everyone. I'm having a weird issue right now with a network port and
>> I
>> > don't know what to make of it.
>> <snip>
>> > Eth1 is configured to connect to a secondary network. Eth3 is disabled
>> > (onboot=no in /etc/sysconfig/network-scripts/ifcfg-eth3).
>> >
>> > Here are the contents of the ifcfg-eth1 and ifcfg-eth3 files:
>> > eth1
>> > DEVICE=eth1
>> > BOOTPROTO=static
>> > ONBOOT=yes
>> > NETWORK=10.253.163.224
>> > NETMASK=255.255.255.224
>> > IPADDR=10.253.163.242
>> > USERCTL=no
>> >
>> > eth3
>> > DEVICE=eth3
>> > USERCTL=no
>> > ONBOOT=no
>> > BOOTPROTO=dhcp
>> >
>> > After the bonded pair, we have two ethernet ports left. When we attempt
>> to
>> > plug in what SHOULD be eth1 and restart network services, it gets no
>> > connectivity. After rebooting, when you run ethtool eth1 it shows that
>> > eth1 has no link. Running ethtool on eth3 shows that it DOES have link.
>> <snip>
>> Sounds like it's related to the old Redhat thing that a multihomed system
>> didn't necessarily get the same name, unless you put the MAC address in
>> there.
>> HWADDR=<MAC address>
>>
>> You might try that and see if it works.
>>
>>        mark
>>
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>
>