Re: [libvirt-users] vms doesn't coomunicate via network

daggs
2018-12-19T20:08:23Z

Greetings Laine,

you are correct, this prints are from a non libvirt network config, the
following are, they show the same issue I've deleted the rest of the mail it
isn't relevant:
there are two vms:
 Id    Name                           State
----------------------------------------------------
 1     router                         running
 5     TvHeadend_server               running

and the following network:
 Name                 State      Autostart     Persistent
----------------------------------------------------------
 default              active     yes           yes


Name:           default
UUID:           735c1a37-5af8-4cad-a620-6f55046060dd
Active:         yes
Persistent:     yes
Autostart:      yes
Bridge:         virtsw0

router's virtual interfaces in xml file:
   <interface type='ethernet'>
      <mac address='52:54:00:8b:66:c1'/>
      <target dev='vnet0'/>
      <model type='virtio'/>
      <alias name='net0'/>
      <address type='pci' domain='0x0000' bus='0x08'
slot='0x00' function='0x0'/>
    </interface>
    <interface type='bridge'>
      <mac address='52:54:00:a7:79:6b'/>

      <target dev='vnet1'/>
      <model type='virtio'/>
      <alias name='net1'/>
      <address type='pci' domain='0x0000' bus='0x0a'
slot='0x00' function='0x0'/>
    </interface>

TvHeadend_server's interfaces in xml file:
    <interface type='bridge'>
      <mac address='52:54:00:54:78:be'/>

      <target dev='vnet2'/>
      <model type='virtio'/>
      <alias name='net0'/>
      <address type='pci' domain='0x0000' bus='0x01'
slot='0x00' function='0x0'/>
    </interface>

here is the output of ifconfig -a from within the router vm:
br-lan    Link encap:Ethernet  HWaddr 52:54:00:8B:66:C1
          inet addr:10.0.0.138  Bcast:10.0.0.255  Mask:255.255.255.0
          inet6 addr: fdab:9802:eb52::1/60 Scope:Global
          inet6 addr: fe80::5054:ff:fe8b:66c1/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1315167 errors:0 dropped:12 overruns:0 frame:0
          TX packets:2565222 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:112493233 (107.2 MiB)  TX bytes:3352094669 (3.1 GiB)

eth0      Link encap:Ethernet  HWaddr 52:54:00:8B:66:C1
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:752747 errors:0 dropped:0 overruns:0 frame:0
          TX packets:528778 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:2165680401 (2.0 GiB)  TX bytes:44330393 (42.2 MiB)

eth1      Link encap:Ethernet  HWaddr 52:54:00:A7:79:6B
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:81686 errors:0 dropped:0 overruns:0 frame:0
          TX packets:93198 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:4251322 (4.0 MiB)  TX bytes:14588557 (13.9 MiB)

eth2      Link encap:Ethernet  HWaddr B0:6E:BF:83:EA:14
          inet6 addr: fe80::b26e:bfff:fe83:ea14/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2742898 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1320324 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:3393439640 (3.1 GiB)  TX bytes:138750511 (132.3 MiB)
          Interrupt:16 Memory:fd800000-fd820000

eth3      Link encap:Ethernet  HWaddr 74:DA:38:C2:61:55
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:65916 errors:0 dropped:0 overruns:0 frame:0
          TX packets:412666 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:7801885 (7.4 MiB)  TX bytes:352194419 (335.8 MiB)

eth4      Link encap:Ethernet  HWaddr 74:DA:38:C2:70:F4
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1233609 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3897395 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:109704871 (104.6 MiB)  TX bytes:4761504951 (4.4 GiB)

eth5      Link encap:Ethernet  HWaddr 74:DA:38:C2:61:5C
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:28376 errors:0 dropped:0 overruns:0 frame:0
          TX packets:54700 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:2561537 (2.4 MiB)  TX bytes:58101771 (55.4 MiB)

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:65536  Metric:1
          RX packets:15576 errors:0 dropped:0 overruns:0 frame:0
          TX packets:15576 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1361313 (1.2 MiB)  TX bytes:1361313 (1.2 MiB)

pppoe-wan Link encap:Point-to-Point Protocol
          inet addr:176.231.66.131  P-t-P:82.102.128.60  Mask:255.255.255.255
          UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1492  Metric:1
          RX packets:2577218 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1153300 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:3
          RX bytes:3315828031 (3.0 GiB)  TX bytes:97931567 (93.3 MiB)

wlan0     Link encap:Ethernet  HWaddr 14:CC:20:1B:60:2B
          inet6 addr: fe80::16cc:20ff:fe1b:602b/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:314631 errors:0 dropped:0 overruns:0 frame:0
          TX packets:629786 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:80089649 (76.3 MiB)  TX bytes:527134993 (502.7 MiB)

and from the host machine:
dummy0    Link encap:Ethernet  HWaddr C6:C8:2A:04:FD:23
          BROADCAST NOARP  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:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

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:65536  Metric:1
          RX packets:22048 errors:0 dropped:0 overruns:0 frame:0
          TX packets:22048 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1068960 (1.0 MiB)  TX bytes:1068960 (1.0 MiB)

virtsw0   Link encap:Ethernet  HWaddr 52:54:00:6B:1B:92
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:92908 errors:0 dropped:0 overruns:0 frame:0
          TX packets:18 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:13257095 (12.6 MiB)  TX bytes:756 (756.0 B)

virtsw0-nic Link encap:Ethernet  HWaddr 52:54:00:6B:1B:92
          BROADCAST 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:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

vnet0     Link encap:Ethernet  HWaddr FE:54:00:8B:66:C1
          inet addr:10.0.0.3  Bcast:10.0.0.255  Mask:255.255.255.0
          inet6 addr: fe80::fc54:ff:fe8b:66c1/64 Scope:Link
          inet6 addr: fdab:9802:eb52:0:fc54:ff:fe8b:66c1/64 Scope:Global
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:528665 errors:0 dropped:0 overruns:0 frame:0
          TX packets:752585 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:44311555 (42.2 MiB)  TX bytes:2165654771 (2.0 GiB)

vnet1     Link encap:Ethernet  HWaddr FE:54:00:A7:79:6B
          inet6 addr: fe80::fc54:ff:fea7:796b/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:92983 errors:0 dropped:0 overruns:0 frame:0
          TX packets:81658 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:14566221 (13.8 MiB)  TX bytes:4249914 (4.0 MiB)

vnet2     Link encap:Ethernet  HWaddr FE:54:00:54:78:BE
          inet6 addr: fe80::fc54:ff:fe54:78be/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:15 errors:0 dropped:0 overruns:0 frame:0
          TX packets:257 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1962 (1.9 KiB)  TX bytes:42261 (41.2 KiB)

this is the relevant console output from TvHeadend_server which includes the
network start, ifconfig -a and lspci -k
Starting network: IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
udhcpc: started, v1.29.3
udhcpc: sending discover
IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
udhcpc: sending discover
udhcpc: sending discover
udhcpc: no lease, failing
FAIL
eth0      Link encap:Ethernet  HWaddr 52:54:00:54:78:BE
          inet6 addr: fe80::5054:ff:fe54:78be/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:5 errors:0 dropped:1 overruns:0 frame:0
          TX packets:9 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:388 (388.0 B)  TX bytes:1270 (1.2 KiB)

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:65536  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:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

sit0      Link encap:IPv6-in-IPv4
          NOARP  MTU:1480  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:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

03:00.0 Class 0100: 1af4:1042
00:1f.2 Class 0106: 8086:2922
00:01.2 Class 0604: 8086:3420
00:1f.0 Class 0601: 8086:2918
02:00.0 Class 00ff: 1af4:1045
00:01.0 Class 0604: 8086:3420
00:1d.1 Class 0c03: 8086:2935
01:00.0 Class 0200: 1af4:1041
00:1f.3 Class 0c05: 8086:2930
00:00.0 Class 0600: 8086:29c0
00:01.3 Class 0604: 8086:3420
00:01.1 Class 0604: 8086:3420
00:1d.2 Class 0c03: 8086:2936
00:1d.0 Class 0c03: 8086:2934
00:1d.7 Class 0c03: 8086:293a
03:00.0 Class 0100: 1af4:1042 virtio-pci
00:1f.2 Class 0106: 8086:2922
00:01.2 Class 0604: 8086:3420
00:1f.0 Class 0601: 8086:2918
02:00.0 Class 00ff: 1af4:1045 virtio-pci
00:01.0 Class 0604: 8086:3420
00:1d.1 Class 0c03: 8086:2935 uhci_hcd
01:00.0 Class 0200: 1af4:1041 virtio-pci
00:1f.3 Class 0c05: 8086:2930
00:00.0 Class 0600: 8086:29c0
00:01.3 Class 0604: 8086:3420
00:01.1 Class 0604: 8086:3420
00:1d.2 Class 0c03: 8086:2936 uhci_hcd
00:1d.0 Class 0c03: 8086:2934 uhci_hcd
00:1d.7 Class 0c03: 8086:293a ehci-pci

is there anything wrong with my config?