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Re: Weird ethernet port behavior



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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