[ovs-discuss] vm with openvswitch+KVM can not access extranal network, can ping gateway

[不坏阿峰]

someone have tried it?

2013/8/24 不坏阿峰 <onlydebian at gmail.com>:
> can someone help ?
>
> 2013/8/22 不坏阿峰 <onlydebian at gmail.com>:
>> vm with openvswitch+KVM can not access extranal network, can ping gateway
>>
>> Cloudstack4.1.1
>> A: one kvm host ubuntu12.04 with openvswitch,
>> B:  xen server6.0,
>> C: one kvm host centos with openvswitch
>>
>> in cloudstack have two network.
>> Guestvlan301 Isolated 192.168.31.0/24 ,Egress rule,   0.0.0.0/0 all
>> Guestvlan300 Isolated  192.168.31.0/24  ,Egress rule,   0.0.0.0/0 all
>>
>>
>> ①:vrouter301 run on Xen,   Public IP Address 192.168.240.54 Guest IP
>> Address 192.168.31.1
>>    vm in vlan301 ,can ping gateway 192.168.31.1 and can access
>> internet. vm can run on kvm or xen, both ok.
>>
>> ②:vronter300 run on Kvm with openvswitch,   Public IP Address
>> 192.168.240.53 Guest IP Address 192.168.30.1
>>    vm in vlan300 ,can ping gateway 192.168.30.1, but can not access
>> internet.  vrouter can access internet.
>>
>> how to make vm under kvm+openvswitch to access outside network and internet
>>
>>
>> [root at centos-kvm01 libvirt]# ovs-vsctl show
>> 7cb5f505-7ac1-4403-9f9d-101882ed7bad
>>     Bridge kvmmgt
>>         Port kvmmgt
>>             Interface kvmmgt
>>                 type: internal
>>         Port "eth0"
>>             Interface "eth0"
>>     Bridge "cloudbr0"
>>         Port "cloudbr0"
>>             Interface "cloudbr0"
>>                 type: internal
>>         Port "eth1"
>>             Interface "eth1"           ## Eth1 uplink port is Esxi
>> vswitch in promiscuous mode,  Xen server Eth1 uplink this too, can
>> work fine ; Kvm use native bridge work fine too.
>>         Port "vnet3"
>>             tag: 240
>>             Interface "vnet3"
>>         Port "vnet0"
>>             tag: 301
>>             Interface "vnet0"
>>         Port "vnet1"
>>             tag: 300
>>             Interface "vnet1"
>>         Port "vnet4"
>>             tag: 240
>>             Interface "vnet4"
>>     Bridge "cloud0"
>>         Port "cloud0"
>>             Interface "cloud0"
>>                 type: internal
>>         Port "vnet2"
>>             Interface "vnet2"
>>     Bridge storage
>>         Port "eth2"
>>             Interface "eth2"
>>         Port storage
>>             Interface storage
>>                 type: internal
>>     ovs_version: "1.10.0"
>>
>>
>> i do the test,
>>   one VM 192.168.30.90  run  ping 192.168.123.1
>>   vrouter 192.168.30.1(outside IP 192.168.240.53 vlan 240)  run  ping
>> www.google.com
>>
>> [root at centos-kvm01 ~]# ovs-dpctl dump-flows |grep 30.90
>>
>> in_port(9),eth(src=02:00:07:94:00:09,dst=02:00:3c:30:00:06),eth_type(0x0806),arp(sip=192.168.30.1,tip=192.168.30.90,op=2,sha=02:00:07:94:00:09,tha=02:00:3c:30:00:06),
>> packets:0, bytes:0, used:never, actions:push_vlan(vid=300,pcp=0),5
>> in_port(11),eth(src=06:28:b6:00:01:20,dst=00:50:56:97:5c:55),eth_type(0x0800),ipv4(src=192.168.30.90,dst=192.168.123.1,proto=1,tos=0,ttl=63,frag=no),icmp(type=8,code=0),
>> packets:5855, bytes:573790, used:0.810s,
>> actions:push_vlan(vid=240,pcp=0),5
>> in_port(5),eth(src=02:00:3c:30:00:06,dst=02:00:07:94:00:09),eth_type(0x8100),vlan(vid=300,pcp=0),encap(eth_type(0x0806),arp(sip=192.168.30.90,tip=192.168.30.1,op=1,sha=02:00:3c:30:00:06,tha=00:00:00:00:00:00)),
>> packets:0, bytes:0, used:never, actions:pop_vlan,9
>> in_port(5),eth(src=02:00:3c:30:00:06,dst=02:00:07:94:00:09),eth_type(0x8100),vlan(vid=300,pcp=0),encap(eth_type(0x0800),ipv4(src=192.168.30.90,dst=192.168.123.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)),
>> packets:5855, bytes:597210, used:0.809s, actions:pop_vlan,9
>>
>> ######   actions:push_vlan(vid=240,pcp=0),5  ,  this is maybe have
>> some problem !!!!!!!  is it??
>>
>>
>>
>>
>> [root at centos-kvm01 ~]# ovs-dpctl dump-flows |grep 240.53
>> in_port(11),eth(src=06:28:b6:00:01:20,dst=00:50:56:97:5c:55),eth_type(0x0800),ipv4(src=192.168.240.53,dst=74.125.128.105,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0),
>> packets:6167, bytes:604366, used:0.486s,
>> actions:push_vlan(vid=240,pcp=0),5
>> in_port(5),eth(src=00:50:56:97:5c:55,dst=06:28:b6:00:01:20),eth_type(0x8100),vlan(vid=240,pcp=0),encap(eth_type(0x0806),arp(sip=192.168.240.1,tip=192.168.240.53,op=1,sha=00:50:56:97:5c:55,tha=00:00:00:00:00:00)),
>> packets:0, bytes:0, used:never, actions:pop_vlan,11
>> in_port(5),eth(src=00:50:56:97:5c:55,dst=06:28:b6:00:01:20),eth_type(0x8100),vlan(vid=240,pcp=0),encap(eth_type(0x0800),ipv4(src=74.125.128.105,dst=192.168.240.53,proto=1,tos=0,ttl=49,frag=no),icmp(type=0,code=0)),
>> packets:6059, bytes:618018, used:0.450s, actions:pop_vlan,11
>> in_port(11),eth(src=06:28:b6:00:01:20,dst=00:50:56:97:5c:55),eth_type(0x0806),arp(sip=192.168.240.53,tip=192.168.240.1,op=2,sha=06:28:b6:00:01:20,tha=00:50:56:97:5c:55),
>> packets:0, bytes:0, used:never, actions:push_vlan(vid=240,pcp=0),5