On 12/13/2011 12:59 PM, Amit Tewari wrote:
Hi all,
My test environment
Host os=rhel6.1
Guest os = rhel6.1
Libvirt=0.9.8
Kvm hypervisor
I have made this entry in guest xml file
<interface type='direct'>
<source dev='eth0' mode='bridge'/>
<model type='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03'
function='0x0'/>
</interface>
Now when I start the guest
*#virsh start guest*
Following macvtap0 is created on host and is shown below
#*ip link show macvtap0*
51: macvtap0@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq
state UNKNOWN qlen 500
link/ether 52:54:00:55:AE:B5brd ff:ff:ff:ff:ff:ff
but when the guest is up and I try to perform
* *
*# ifup eth0*
It gives following message
"Bringing up interface eth0: Device eth0 does not seem to be present,
delaying initialization.
[FAILED]"
The interface name may change to ethN(N may be 1 or 2 ...) due to the
change of guest interface mac address.
You can log in guest and use command: "ip link show" to get the value of N.
Then create ifcfg-ethN for it and use "ifup ethN" to start it in guest.
Guest eth interface does not create. What is the problem?
When I checked *dmesg* on host it gives following message---"macvatp0:
ipv6 routers not present"
Please let me know how macvtap work on kvm.
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