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xen-users
Re: [Xen-users] Can't ping gateway (SOLVED !!!!)
from: http://www.centos.org/modules/newbb/print.php?form=1&topic_id=19489&forum=40&order=ASC&start=0
"I just found out that there is setting in the BIOS which is Realtek LAN
Boot ROM. It is not enabled and therefore the MAC address is kept on
overwritten. After setting it to enabled, I got my real MAC address
back and xen works as per normal."
Confirmed the above, and networking working again as normal.
/mark
2.6.18-128.el5xen
----------------------------------------------------------------------
Message: 1
Date: Wed, 27 May 2009 16:53:27 +0000
From: "Jk ." <jankarlitos@xxxxxxxxxxx>
Subject: [Xen-users] Can't ping gateway (SOLVED !!!!)
To: <xen-users@xxxxxxxxxxxxxxxxxxx>
Message-ID: <COL107-W1E891CCBF89E84CEB0FC6BF530@xxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"
HI again,
This is the solution to my problem, hope it helps someone in the future.
First of all, thanks to Ramachandran Radhakrishnan for helping me with this.
The problem was my NIC: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01)
What happens, is that the NIC's driver sets the HWADRRESS = FE:FF:FF:FF:FF:FF, and that's the same address used in xenbr0
What you need to do, is set the address manually. in Centos you can do this by setting /etc/sysconfig/network-scripts/ifcfg-eth0
you need to set MACADDR=00:00:de:50:f1:45 (just an example)
be sure you set MACADDR and not HWADDR
and that's it !!!! thanks, to everyone... now i can continue my virtualization process...
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