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From "Toshiaki Hatano (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-5908) Fail to add VXLAN network to instance
Date Tue, 21 Jan 2014 05:17:19 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-5908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13877199#comment-13877199
] 

Toshiaki Hatano commented on CLOUDSTACK-5908:
---------------------------------------------

Hi Nux,

This basically happens when modifyvxlan.sh cannot find source IP address for multicast traffic.

Could you paste 1) traffic label setting 2) "ifconfig -a; brctl show" result on the host?

> Fail to add VXLAN network to instance
> -------------------------------------
>
>                 Key: CLOUDSTACK-5908
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5908
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: KVM, Network Controller
>    Affects Versions: 4.3.0
>         Environment: CentOS 6.5 HV, KVM
> #modinfo vxlan
> filename:       /lib/modules/2.6.32-431.3.1.el6.x86_64/kernel/drivers/net/vxlan.ko
> alias:          rtnl-link-vxlan
> author:         Stephen Hemminger <stephen@networkplumber.org>
> version:        0.1
> license:        GPL
> srcversion:     1732128C5C4FB8CAE4A5C8B
> depends:        
> vermagic:       2.6.32-431.3.1.el6.x86_64 SMP mod_unload modversions 
> parm:           udp_port:Destination UDP port (ushort)
> parm:           log_ecn_error:Log packets received with corrupted ECN (bool)
>            Reporter: Nux
>              Labels: kvm, network, vxlan
>
> Hello,
> I can successfully add a network with VXLAN in ACS 4.3.0, however a VM will not start
with it added. Relevant log:
> 2014-01-19 13:23:22,750 DEBUG [cloud.agent.Agent] (agentRequest-Handler-4:null) Processing
command: com.cloud.agent.api.StartCommand
> 2014-01-19 13:23:23,460 DEBUG [kvm.resource.BridgeVifDriver] (agentRequest-Handler-4:null)
nic=[Nic:Guest-10.11.12.13-vxlan://5161]
> 2014-01-19 13:23:23,461 DEBUG [kvm.resource.BridgeVifDriver] (agentRequest-Handler-4:null)
creating a vNet dev and bridge for guest traffic per traff
> ic label cloudbr1
> 2014-01-19 13:23:23,461 DEBUG [kvm.resource.BridgeVifDriver] (agentRequest-Handler-4:null)
Executing: /usr/share/cloudstack-common/scripts/vm/network
> /vnet/modifyvxlan.sh -v 5161 -p eth1 -b brvx-5161 -o add 
> 2014-01-19 13:23:23,483 DEBUG [kvm.resource.BridgeVifDriver] (agentRequest-Handler-4:null)
Exit value is 1
> 2014-01-19 13:23:23,483 DEBUG [kvm.resource.BridgeVifDriver] (agentRequest-Handler-4:null)
Failed to find vxlan multicast source ip address on brif: 
> cloudbr1.
> 2014-01-19 13:23:23,484 WARN  [kvm.resource.LibvirtComputingResource] (agentRequest-Handler-4:null)
InternalErrorException 
> com.cloud.exception.InternalErrorException: Failed to create vnet 5161: Failed to find
vxlan multicast source ip address on brif: cloudbr1.
>         at com.cloud.hypervisor.kvm.resource.BridgeVifDriver.createVnet(BridgeVifDriver.java:200)
>         at com.cloud.hypervisor.kvm.resource.BridgeVifDriver.createVnetBr(BridgeVifDriver.java:180)
>         at com.cloud.hypervisor.kvm.resource.BridgeVifDriver.plug(BridgeVifDriver.java:113)
>         at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.createVif(LibvirtComputingResource.java:3841)
>         at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.createVifs(LibvirtComputingResource.java:3592)
>         at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.execute(LibvirtComputingResource.java:3619)
>         at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:1301)
>         at com.cloud.agent.Agent.processRequest(Agent.java:498)
>         at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:806)
>         at com.cloud.utils.nio.Task.run(Task.java:83)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:701)
> 2014-01-19 13:23:23,484 DEBUG [kvm.storage.KVMStoragePoolManager] (agentRequest-Handler-4:null)
Disconnecting disk 5589b5ce-f0be-4ad3-8f99-b83316d5b1
> 45



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