大家好，我的虚拟机ping不通网关，麻烦帮忙排除下，谢谢
物理机计算节点 有4网卡
公共流量第1块网卡eth0 交换机 trunk允许 107-110vlan
来宾第4块网卡 交换机 trunk允许 105,106,110vlan
服务器网络如下
[root@compute1 sysconfig]# ifconfig
breth0-107 Link encap:Ethernet HWaddr 2C:44:FD:92:FB:18
inet6 addr: fe80::2e44:fdff:fe92:fb18/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:82175 errors:0 dropped:0 overruns:0 frame:0
TX packets:14 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:4092654 (3.9 MiB) TX bytes:1188 (1.1 KiB)
breth3-110 Link encap:Ethernet HWaddr 2C:44:FD:92:FB:1B
inet6 addr: fe80::2e44:fdff:fe92:fb1b/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:6888 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:196692 (192.0 KiB) TX bytes:468 (468.0 b)
cloudbr0 Link encap:Ethernet HWaddr 2C:44:FD:92:FB:18
inet6 addr: fe80::2e44:fdff:fe92:fb18/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:273501 errors:0 dropped:0 overruns:0 frame:0
TX packets:36 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:22107453 (21.0 MiB) TX bytes:1968 (1.9 KiB)
cloud0 Link encap:Ethernet HWaddr FE:00:A9:FE:00:39
inet addr:169.254.0.1 Bcast:169.254.255.255 Mask:255.255.0.0
inet6 addr: fe80::f4ac:f3ff:fe10:c2eb/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:13217 errors:0 dropped:0 overruns:0 frame:0
TX packets:14671 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2162708 (2.0 MiB) TX bytes:2214728 (2.1 MiB)
cloudbr1 Link encap:Ethernet HWaddr 2C:44:FD:92:FB:19
inet addr:172.16.108.22 Bcast:172.16.108.255 Mask:255.255.255.0
inet6 addr: fe80::2e44:fdff:fe92:fb19/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:900598 errors:0 dropped:0 overruns:0 frame:0
TX packets:784149 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:3533116883 (3.2 GiB) TX bytes:74952754 (71.4 MiB)
cloudbr2 Link encap:Ethernet HWaddr 2C:44:FD:92:FB:1A
inet addr:172.16.109.22 Bcast:172.16.109.255 Mask:255.255.255.0
inet6 addr: fe80::2e44:fdff:fe92:fb1a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:879540 errors:0 dropped:0 overruns:0 frame:0
TX packets:897163 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:407963617 (389.0 MiB) TX bytes:663269588 (632.5 MiB)
cloudbr3 Link encap:Ethernet HWaddr 2C:44:FD:92:FB:1B
inet6 addr: fe80::2e44:fdff:fe92:fb1b/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:18363 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:1212467 (1.1 MiB) TX bytes:468 (468.0 b)
eth0 Link encap:Ethernet HWaddr 2C:44:FD:92:FB:18
inet6 addr: fe80::2e44:fdff:fe92:fb18/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:485001 errors:0 dropped:0 overruns:0 frame:0
TX packets:149443 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:85427991 (81.4 MiB) TX bytes:93747283 (89.4 MiB)
Interrupt:32
eth0.107 Link encap:Ethernet HWaddr 2C:44:FD:92:FB:18
inet6 addr: fe80::2e44:fdff:fe92:fb18/64 Scope:Link
UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1
RX packets:200959 errors:0 dropped:0 overruns:0 frame:0
TX packets:117287 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:51187885 (48.8 MiB) TX bytes:91421029 (87.1 MiB)
eth1 Link encap:Ethernet HWaddr 2C:44:FD:92:FB:19
inet6 addr: fe80::2e44:fdff:fe92:fb19/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:9082809 errors:0 dropped:0 overruns:0 frame:0
TX packets:5360400 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:12959196052 (12.0 GiB) TX bytes:5038179710 (4.6 GiB)
Interrupt:36
eth2 Link encap:Ethernet HWaddr 2C:44:FD:92:FB:1A
inet6 addr: fe80::2e44:fdff:fe92:fb1a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3495712 errors:0 dropped:0 overruns:0 frame:0
TX packets:440208 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:4888320808 (4.5 GiB) TX bytes:52528752 (50.0 MiB)
Interrupt:32
eth3 Link encap:Ethernet HWaddr 2C:44:FD:92:FB:1B
inet6 addr: fe80::2e44:fdff:fe92:fb1b/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:18850 errors:0 dropped:0 overruns:0 frame:0
TX packets:2385 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1621714 (1.5 MiB) TX bytes:152998 (149.4 KiB)
Interrupt:36
eth3.110 Link encap:Ethernet HWaddr 2C:44:FD:92:FB:1B
inet6 addr: fe80::2e44:fdff:fe92:fb1b/64 Scope:Link
UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:6849 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:292134 (285.2 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:265743 errors:0 dropped:0 overruns:0 frame:0
TX packets:265743 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:36198795 (34.5 MiB) TX bytes:36198795 (34.5 MiB)
vnet0 Link encap:Ethernet HWaddr FE:00:A9:FE:00:39
inet6 addr: fe80::fc00:a9ff:fefe:39/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:10 errors:0 dropped:0 overruns:0 frame:0
TX packets:432 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:694 (694.0 b) TX bytes:19488 (19.0 KiB)
vnet1 Link encap:Ethernet HWaddr FE:A6:10:00:00:51
inet6 addr: fe80::fca6:10ff:fe00:51/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:27368 errors:0 dropped:0 overruns:0 frame:0
TX packets:208244 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:2731865 (2.6 MiB) TX bytes:24183244 (23.0 MiB)
vnet2 Link encap:Ethernet HWaddr FE:7A:E4:00:00:F1
inet6 addr: fe80::fc7a:e4ff:fe00:f1/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:6 errors:0 dropped:0 overruns:0 frame:0
TX packets:82199 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:252 (252.0 b) TX bytes:5245344 (5.0 MiB)
vnet3 Link encap:Ethernet HWaddr FE:00:A9:FE:00:D9
inet6 addr: fe80::fc00:a9ff:fefe:d9/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:12 errors:0 dropped:0 overruns:0 frame:0
TX packets:434 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:790 (790.0 b) TX bytes:19604 (19.1 KiB)
vnet4 Link encap:Ethernet HWaddr FE:D9:76:00:00:DA
inet6 addr: fe80::fcd9:76ff:fe00:da/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:375890 errors:0 dropped:0 overruns:0 frame:0
TX packets:2201552 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:26034749 (24.8 MiB) TX bytes:14053570054 (13.0 GiB)
vnet5 Link encap:Ethernet HWaddr FE:59:34:00:00:F2
inet6 addr: fe80::fc59:34ff:fe00:f2/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:6 errors:0 dropped:0 overruns:0 frame:0
TX packets:82198 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:252 (252.0 b) TX bytes:5245266 (5.0 MiB)
vnet6 Link encap:Ethernet HWaddr FE:54:32:00:01:F1
inet6 addr: fe80::fc54:32ff:fe00:1f1/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:7676041 errors:0 dropped:0 overruns:0 frame:0
TX packets:5067849 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:14419246418 (13.4 GiB) TX bytes:28012196022 (26.0 GiB)
vnet7 Link encap:Ethernet HWaddr FE:00:A9:FE:03:B0
inet6 addr: fe80::fc00:a9ff:fefe:3b0/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:11 errors:0 dropped:0 overruns:0 frame:0
TX packets:162 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:736 (736.0 b) TX bytes:7540 (7.3 KiB)
vnet8 Link encap:Ethernet HWaddr FE:B5:E0:00:00:16
inet6 addr: fe80::fcb5:e0ff:fe00:16/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:14849 errors:0 dropped:0 overruns:0 frame:0
TX packets:102657 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:1488774 (1.4 MiB) TX bytes:11922109 (11.3 MiB)
vnet9 Link encap:Ethernet HWaddr FE:BE:34:00:00:66
inet6 addr: fe80::fcbe:34ff:fe00:66/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:7 errors:0 dropped:0 overruns:0 frame:0
TX packets:45255 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:516 (516.0 b) TX bytes:2890012 (2.7 MiB)
vnet10 Link encap:Ethernet HWaddr FE:95:14:00:01:12
inet6 addr: fe80::fc95:14ff:fe00:112/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:7965 errors:0 dropped:0 overruns:0 frame:0
TX packets:53565 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:1017574 (993.7 KiB) TX bytes:4416687 (4.2 MiB)
vnet11 Link encap:Ethernet HWaddr FE:00:A9:FE:01:65
inet6 addr: fe80::fc00:a9ff:fefe:165/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:150 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:0 (0.0 b) TX bytes:6756 (6.5 KiB)
vnet12 Link encap:Ethernet HWaddr FE:CB:48:00:00:4A
inet6 addr: fe80::fccb:48ff:fe00:4a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:127018 errors:0 dropped:0 overruns:0 frame:0
TX packets:232676 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:13261023 (12.6 MiB) TX bytes:461646741 (440.2 MiB)
vnet13 Link encap:Ethernet HWaddr FE:D3:92:00:00:67
inet6 addr: fe80::fcd3:92ff:fe00:67/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:97695 errors:0 dropped:0 overruns:0 frame:0
TX packets:148495 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:75684227 (72.1 MiB) TX bytes:45310980 (43.2 MiB)
vnet14 Link encap:Ethernet HWaddr FE:1F:E0:00:01:C7
inet6 addr: fe80::fc1f:e0ff:fe00:1c7/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2821 errors:0 dropped:0 overruns:0 frame:0
TX packets:4124 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:122016 (119.1 KiB) TX bytes:177946 (173.7 KiB)
vnet15 Link encap:Ethernet HWaddr FE:00:A9:FE:01:EC
inet6 addr: fe80::fc00:a9ff:fefe:1ec/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:819 errors:0 dropped:0 overruns:0 frame:0
TX packets:861 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:152755 (149.1 KiB) TX bytes:153323 (149.7 KiB)
vnet16 Link encap:Ethernet HWaddr FE:77:3A:00:01:C8
inet6 addr: fe80::fc77:3aff:fe00:1c8/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:18 errors:0 dropped:0 overruns:0 frame:0
TX packets:6644 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:1783 (1.7 KiB) TX bytes:282395 (275.7 KiB)
vnet17 Link encap:Ethernet HWaddr FE:67:66:00:01:C9
inet6 addr: fe80::fc67:66ff:fe00:1c9/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4086 errors:0 dropped:0 overruns:0 frame:0
TX packets:2431 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:173079 (169.0 KiB) TX bytes:103457 (101.0 KiB)
[root@compute1 sysconfig]#
[root@compute1 sysconfig]# brctl show
bridge name bridge id STP enabled interfaces
breth0-107 8000.2c44fd92fb18 no eth0.107
vnet13
vnet2
vnet5
vnet9
breth3-110 8000.2c44fd92fb1b no eth3.110
vnet14
vnet16
vnet17
cloud0 8000.fe00a9fe0039 no vnet0
vnet11
vnet15
vnet3
vnet7
cloudbr0 8000.2c44fd92fb18 no eth0
cloudbr1 8000.2c44fd92fb19 no eth1
vnet10
vnet6
cloudbr2 8000.2c44fd92fb1a no eth2
vnet1
vnet12
vnet4
vnet8
cloudbr3 8000.2c44fd92fb1b no eth3
[root@compute1 sysconfig]#
虚拟机网络如下
[root@compute1 sysconfig]# virsh dumpxml i-2-23-VM
<domain type='kvm' id='26'>
<name>i-2-23-VM</name>
<uuid>17700c17-6693-4d18-a34e-16d5adb3bbc5</uuid>
<description>CentOS 6.5 (64-bit)</description>
<memory unit='KiB'>1048576</memory>
<currentMemory unit='KiB'>1048576</currentMemory>
<vcpu placement='static'>1</vcpu>
<cputune>
<shares>1000</shares>
</cputune>
<os>
<type arch='x86_64' machine='rhel6.6.0'>hvm</type>
<boot dev='cdrom'/>
<boot dev='hd'/>
</os>
<features>
<acpi/>
<apic/>
<pae/>
</features>
<cpu>
</cpu>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/libexec/qemu-kvm</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2' cache='none'/>
<source file='/data/primary/291b0eab-13d3-4179-8d89-a18f15a26496'/>
<target dev='vda' bus='virtio'/>
<alias name='virtio-disk0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04'
function='0x0'/>
</disk>
<disk type='file' device='cdrom'>
<driver name='qemu' type='raw' cache='none'/>
<target dev='hdc' bus='ide' tray='open'/>
<readonly/>
<alias name='ide0-1-0'/>
<address type='drive' controller='0' bus='1' target='0' unit='0'/>
</disk>
<controller type='usb' index='0'>
<alias name='usb0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01'
function='0x2'/>
</controller>
<controller type='ide' index='0'>
<alias name='ide0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01'
function='0x1'/>
</controller>
<interface type='bridge'>
<mac address='06:67:66:00:01:c9'/>
<source bridge='breth3-110'/>
<bandwidth>
<inbound average='25600' peak='25600'/>
<outbound average='25600' peak='25600'/>
</bandwidth>
<target dev='vnet17'/>
<model type='virtio'/>
<alias name='net0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03'
function='0x0'/>
</interface>
<serial type='pty'>
<source path='/dev/pts/7'/>
<target port='0'/>
<alias name='serial0'/>
</serial>
<console type='pty' tty='/dev/pts/7'>
<source path='/dev/pts/7'/>
<target type='serial' port='0'/>
<alias name='serial0'/>
</console>
<input type='tablet' bus='usb'>
<alias name='input0'/>
</input>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='5906' autoport='yes' listen='172.16.109.22'>
<listen type='address' address='172.16.109.22'/>
</graphics>
<video>
<model type='cirrus' vram='9216' heads='1'/>
<alias name='video0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02'
function='0x0'/>
</video>
<memballoon model='none'>
<alias name='balloon0'/>
</memballoon>
</devices>
</domain>
[root@compute1 sysconfig]# virsh dumpxml i-2-23-VM | grep net
<target dev='vnet17'/>
<alias name='net0'/>
[root@compute1 sysconfig]#
网关为172.16.110.252
虚拟机ip为172.16.110.52
[cid:_Foxmail.1@7cb9f54f-a266-ee12-cb1e-09376bb10e57]
现在在二层交换机 都抓不到任何这个虚拟机ip的数据包，在服务器上抓包只有arp请求的包发出去，请帮忙看下
________________________________
张能钦
