[CLOUDSTACK-5908] Fail to add VXLAN network to instance

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 4.3.0
• Component/s: KVM, Network Controller
• Security Level: Public (Anyone can view this level - this is the default.)
• Labels: kvm network vxlan

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 <[e-mail]>
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)

• Assignee: Unassigned
• Reporter: Nux
• Created: 19/Jan/14 13:29
• Updated: 21/Jan/14 08:49

Description

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