----- Original Message -----
From: "John Hodrien" J.H.Hodrien@leeds.ac.uk To: "CentOS mailing list" centos@centos.org Sent: Tuesday, September 27, 2011 9:08:09 AM Subject: Re: [CentOS] is there a way to make the kernel see a new ethernet device without rebooting?
On Tue, 27 Sep 2011, Jon Detert wrote:
I have a VMWare ESX server with virtual machines running CentOS. I want to add an ethernet interface to one of the CentOS virtual machines. VMWare allowed me to add a virtual NIC to the CentOS virtual machine while it was running. However, the CentOS o.s. cannot see the new NIC. Is there a command I can run to make the kernel aware of the new ethernet device? I don't want to reboot the CentOS o.s. if I don't have to
Adding a NIC to VMWare with a CentOS 6 guest (e1000) works just fine here. I
Adding the NIC in VMWare works fine for me too. It's just that the guest (CentOS) o.s. doesn't see the new NIC unless/until I reboot it.
don't remember there being any problems with CentOS 5.
Does dmesg show evidence of the new device being attached?
No.
I wonder if it has to do with the type of NIC. In my case, vmware says it's of type 'flexible', and the CentOS o.s uses the 'pcnet32' driver for it.
- JD