My DHCP server is running outside too. The traffic should goes through br0,
otherwise how can dhcp server get the request?
>
# tcpdump -e -i tap0
tcpdump: WARNING: tap0: no IPv4 address assigned
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode...
18:06:12.142002 52:54:00:93:06:08 (oui Unknown) > Broadcast, ethertype IPv4
(0x0800), length 342: 0.0.0.0.bootpc
> 255.255.255.255.bootps: BOOTP/DHCP, Request from 52:54:00:93:06:08
(oui Unknown), length 300...
>
And I can't see eth0 with command ifconfig, which is different to an other test
I did days before on Ubuntu. The config on Ubuntu looks like the following:
auto eth0
iface eth0 inet manual
up ifconfig $IFACE 0.0.0.0 up
down ifconfig $IFACE down
It didn't get IP too, but at least system known the eth0 was presenting, but
for CentOS it kept saying eth0 doesn't present at all. I'm not sure which one
is reasonable.
An other thing weird is when I tried virt-manager, with the network config
advanced option "Host device br0 (not bridged)", which is unselectable, I'm
wondering if br0 doesn't work at all? missing any module?
Jeff
On Saturday, March 29, 2014 3:23:22 PM, Flavio Leitner <[email protected]> wrote:
On Fri, Mar 28, 2014 at 09:52:31PM -0700, Jeff W wrote:
> I can see the dhcp broadcast from tap0, but no
package reached br0, I
> think the eth0 of host you mean br0, as eth0 doesn't represent to
> host. the guest should be innocent.
You shouldn't be able to see the traffic on br0 unless it's a broadcast
or the dhcp service is running on it.
You should be able to the traffic on the real host NIC or I didn't
understand where the dhcp service is running.
I've tried your command and scripts here on a Fedora Rawhide and it just
works with openvswitch 2.1.0. My dhcp service is running outside of
the host.
fbl
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