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https://issues.apache.org/jira/browse/CLOUDSTACK-9598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15824778#comment-15824778
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Rafael Weingärtner commented on CLOUDSTACK-9598:
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It is great that you already fixed the problem.
Would you mind opening a Jira ticket for this?
Maybe there are other in the same situation as you.
On Thu, Jan 12, 2017 at 5:20 AM, Stephan Seitz <
--
Rafael Weingärtner
> wrong defaut gateway in guest VM with nics in isolated and a shared network
> ---------------------------------------------------------------------------
>
> Key: CLOUDSTACK-9598
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9598
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Affects Versions: 4.6.2, 4.7.1, 4.8.0, 4.9.0
> Reporter: Murali Reddy
> Fix For: 4.8.1, 4.10.0.0, 4.9.1.0
>
>
> When a guest instance is created with nic's in a isolated network and a
> shared network (with just DHCP and DNS), with isolated network as default
> network, DHCP lease on shared network from the shared network VR has wrong
> gateway. gateway is pointed to the virtual router IP.
> /etc/cloudstack/dhcpentry.json in shared network VR will have default gateway
> set to 0.0.0.0
> root@r-11-VM:~# cat /etc/cloudstack/dhcpentry.json
> {
> "10.6.9.165": {
> "default_entry": false,
> "default_gateway": "0.0.0.0",
> "dns_adresses": "10.1.1.1",
> "host_name": "VM-fce34d73-dc99-4559-b077-64711509907a",
> "ipv4_adress": "10.6.9.165",
> "ipv6_duid": "00:03:00:01:06:5a:da:00:00:6a",
> "mac_address": "06:5a:da:00:00:6a",
> "type": "dhcpentry"
> },
> "id": "dhcpentry"
> DhcpCommand network element command sent from the management server is like
> below with "defaultRouter":"0.0.0.0"
> 2016-11-15 19:15:29,319 DEBUG [c.c.a.t.Request]
> (Work-Job-Executor-25:ctx-a9aca0bb job-69/job-70 ctx-82c3fd7e)
> (logid:6ca37cdb) Seq 2-4650811040190170578: Sending { Cmd , MgmtId:
> 7150818625286, via: 2(trl-202-k-cs49-mreddy-kvm2), Ver: v1, Flags: 100011,
> [{"com.cloud.agent.api.routing.DhcpEntryCommand":{"vmMac":"06:5a:da:00:00:6a","vmIpAddress":"10.6.9.165","vmName":"VM-fce34d73-dc99-4559-b077-64711509907a","defaultRouter":"0.0.0.0","defaultDns":"10.1.1.1","duid":"00:03:00:01:06:5a:da:00:00:6a","isDefault":false,"executeInSequence":false,"accessDetails":{"zone.network.type":"Advanced","router.guest.ip":"10.6.9.164","router.ip":"169.254.2.18","router.name":"r-11-VM"},"wait":0}}]
> }
> NIC details in the DB for the nic in the shared network has correct gateway.
> Gateway is set to 0.0.0.0, for every non-default nic [1]
> In case where shared network is non default network, then guest VM will end
> up treating VR in the shared network as gateway instead of actual shared
> network gateway.
> [1]
> https://github.com/apache/cloudstack/blob/4.9/server/src/com/cloud/network/router/CommandSetupHelper.java#L224
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