I am running KVM virtualization with libvirtd (libvirt) 0.10.2 in bridged
network mode, however I still have the default virtual network
bridge/interfaces and dnsmasq on the host. What I am trying to understand
is whether or not dnsmasq and the virtual network (*virbr0, Vnet0 and Vnet1*)
still play any role. If not, can I remove them?
On most virtual hosts I see they are left around even when a network bridge
has been manually setup and the default virtual network bridge/interfaces
and dnsmasq are not serve any purpose.
Thanks
Mimi
[bigfoot@localhost ~]$ ifconfig
br0 Link encap:Ethernet HWaddr E2:59:52:12:34:4C
inet addr:135.17.1XX.XX Bcast:135.17.1XX.XX Mask:255.255.255.128
inet6 addr: fe80::ea39:35ff:fe12:948e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:564577 errors:0 dropped:0 overruns:0 frame:0
TX packets:303315 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:566465184 (540.2 MiB) TX bytes:83532692 (79.6 MiB)
eth0 Link encap:Ethernet HWaddr E2:59:52:12:34:4C
inet6 addr: fe80::ea39:35ff:fe12:948e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:806142 errors:0 dropped:0 overruns:0 frame:0
TX packets:450977 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:711888772 (678.9 MiB) TX bytes:175377460 (167.2 MiB)
Interrupt:28 Memory:f7100000-f7120000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:276793 errors:0 dropped:0 overruns:0 frame:0
TX packets:276793 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:551259266 (525.7 MiB) TX bytes:551259266 (525.7 MiB)
*virbr0 Link encap:Ethernet HWaddr 52:54:00:2A:1B:AF*
* inet addr:192.168.122.1 Bcast:192.168.122.255
Mask:255.255.255.0*
* UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1*
* RX packets:0 errors:0 dropped:0 overruns:0 frame:0*
* TX packets:0 errors:0 dropped:0 overruns:0 carrier:0*
* collisions:0 txqueuelen:0*
* RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)*
*vnet0 Link encap:Ethernet HWaddr FE:54:00:A0:8D:50*
* inet6 addr: fe80::fc54:ff:fea0:8d50/64 Scope:Link*
* UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1*
* RX packets:124812 errors:0 dropped:0 overruns:0 frame:0*
* TX packets:343055 errors:0 dropped:0 overruns:0 carrier:0*
* collisions:0 txqueuelen:500*
* RX bytes:55075362 (52.5 MiB) TX bytes:138488556 (132.0 MiB)*
*vnet1 Link encap:Ethernet HWaddr FE:54:00:71:A8:78*
* inet6 addr: fe80::fc54:ff:fe71:a878/64 Scope:Link*
* UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1*
* RX packets:17834 errors:0 dropped:0 overruns:0 frame:0*
* TX packets:318816 errors:0 dropped:0 overruns:1 carrier:0*
* collisions:0 txqueuelen:500*
* RX bytes:2279102 (2.1 MiB) TX bytes:20534286 (19.5 MiB)*
[bigfoot@localhost ~]$
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