Hi all,
My test environment
Host os=rhel6.1 x86 machine
Guest os = rhel6.1
Libvirt=0.8.7
Kvm hypervisor
I am creating macvtap interface on host machine
ip link add link eth1 name macvtap0 type macvtap
ip link set macvtap0 up
ip link show macvtap0
25: macvtap0@eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
pfifo_fast state UNKNOWN qlen 500
link/ether a2:70:4e:05:4a:4e brd ff:ff:ff:ff:ff:ff
Now when use arp -a to check macvtap0 hardware address entry it shows
? (10.0.7.1) at <incomplete> on macvtap0
If I assign ip address to macvtap and then ping on network , it says
"destination not reachable"
ping 10.0.7.1 -I macvtap0
PING 10.0.7.1 (10.0.7.1) from 10.0.1.61 macvtap0: 56(84) bytes of data.
>From 10.0.1.61 icmp_seq=2 Destination Host Unreachable
>From 10.0.1.61 icmp_seq=3 Destination Host Unreachable
If I use tcpdump -I eth1 it shows packets
14:42:39.967158 ARP, Request who-has 10.0.7.1 tell 10.0.7.4, length 28
14:42:39.967257 ARP, Reply 10.0.7.1 is-at 00:16:35:65:b5:1e (oui
Unknown), length 46
14:42:40.967167 ARP, Request who-has 10.0.7.1 tell 10.0.7.4, length 28
14:42:40.967229 ARP, Reply 10.0.7.1 is-at 00:16:35:65:b5:1e (oui
Unknown), length 46
So macvtap0 is unknown interface. Request does go to eth1 inteface.
Please let me know redhat 6.1 support macvtap or not?...
I have to use it for kvm virtual machine..
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