Add physical NIC to XenServer

If you add new physical network interface to the hardware that runs XenServer it won’t appear in XenCenter by default.

In order to attach it to VMs or change its settings you’ll need to type in a few commands to XenServer’s CLI.

1. Connect XenServer via SSH using root rights:

ssh root@192.168.10.1 -v

2. Make sure that new NIC is attached to hardware and detected by Linux, in below command’s output you can see there are three Ethernet controllers (the last one was just attached to hardware):

[root@localhost ~]# lspci | grep -i ethernet
10:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01)
1e:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5723 Gigabit Ethernet PCIe (rev 10)
30:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)

As you can see this NIC isn’t shown in XenCenter and below command doesn’t show its UID among detected interfaces:

root@localhost ~]# xe pif-list
uuid ( RO) : 095abcc1-4d64-7925-200f-a91d558ec872
device ( RO): eth1
currently-attached ( RO): true
VLAN ( RO): -1
network-uuid ( RO): 9da74476-ffcb-6824-25ad-62d46f34e252


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Posted April 9, 2012 by Artem Nosulchik in category "Linux