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https://issues.apache.org/jira/browse/CLOUDSTACK-4690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14499438#comment-14499438
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Wilder Rodrigues commented on CLOUDSTACK-4690:
----------------------------------------------
I assigned this issue to me and after the tests for the 4.4.3 release I will
start working on it.
> KVM Router - to many ethernet devices created
> ---------------------------------------------
>
> Key: CLOUDSTACK-4690
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-4690
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: KVM
> Affects Versions: 4.1.1
> Environment: Centos 6.4
> Reporter: Paul Edwards
> Assignee: Wilder Rodrigues
> Priority: Critical
> Attachments: 20141001-agent.log, 20141001-management-server.log,
> management-server.log, router.log
>
>
> We have setup cloudstack with advanced networking. We have a network created
> 172.16.24.0/23, called news preprod. This has a number of vms created under
> it. When we initially set this up, we noticed that the router we created with
> 4 ethernet interfaces. This was unexpected, but didn't seem to be effecting
> the running of the router, so we didn't worry about it. The interfaces were:
> eth0 172.16.24.14, eth1 169.254.1.91, and both eth2 and eth2 were given the
> external ip (xxx.xxx.245.59). We investigated why we were getting 2
> externals, but couldn't figure it out. We also configured the router to have
> a redundant, with keepalived. They were working fine.
> Now I needed to add another external ip to the network. Did that, and
> restarted the network. I now have 8 (eight) eth interfaces. The new external
> ip is NOT one of them. Heres the ifconfig output:
> root@r-235-VM:~# ifconfig
> eth0 Link encap:Ethernet HWaddr 02:00:68:e1:00:1a
> inet addr:172.16.24.14 Bcast:172.16.25.255 Mask:255.255.254.0
> inet6 addr: fe80::68ff:fee1:1a/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:5485 errors:0 dropped:0 overruns:0 frame:0
> TX packets:21101 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:325618 (317.9 KiB) TX bytes:1581746 (1.5 MiB)
> eth1 Link encap:Ethernet HWaddr 0e:00:a9:fe:01:5b
> inet addr:169.254.1.91 Bcast:169.254.255.255 Mask:255.255.0.0
> inet6 addr: fe80::c00:a9ff:fefe:15b/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:22118 errors:0 dropped:0 overruns:0 frame:0
> TX packets:21148 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:3942785 (3.7 MiB) TX bytes:4287970 (4.0 MiB)
> eth2 Link encap:Ethernet HWaddr 06:16:06:00:01:03
> inet addr:xxx.xxx.245.59 Bcast:xxx.xxx.245.255 Mask:255.255.255.0
> inet6 addr: fe80::416:6ff:fe00:103/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:17331 errors:0 dropped:0 overruns:0 frame:0
> TX packets:3930 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:1063053 (1.0 MiB) TX bytes:234546 (229.0 KiB)
> eth3 Link encap:Ethernet HWaddr 06:d7:ec:00:01:03
> inet addr:xxx.xxx.245.59 Bcast:xxx.xxx.245.255 Mask:255.255.255.0
> inet6 addr: fe80::4d7:ecff:fe00:103/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:13603 errors:0 dropped:0 overruns:0 frame:0
> TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:792907 (774.3 KiB) TX bytes:704 (704.0 B)
> eth4 Link encap:Ethernet HWaddr 06:8b:5a:00:01:03
> inet addr:xxx.xxx.245.59 Bcast:xxx.xxx.245.255 Mask:255.255.255.0
> inet6 addr: fe80::48b:5aff:fe00:103/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:13319 errors:0 dropped:0 overruns:0 frame:0
> TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:779753 (761.4 KiB) TX bytes:704 (704.0 B)
> eth5 Link encap:Ethernet HWaddr 06:7e:68:00:01:03
> inet addr:xxx.xxx.245.59 Bcast:xxx.xxx.245.255 Mask:255.255.255.0
> inet6 addr: fe80::47e:68ff:fe00:103/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:13080 errors:0 dropped:0 overruns:0 frame:0
> TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:762111 (744.2 KiB) TX bytes:704 (704.0 B)
> eth6 Link encap:Ethernet HWaddr 06:7e:68:00:01:03
> inet addr:xxx.xxx.245.59 Bcast:xxx.xxx.245.255 Mask:255.255.255.0
> inet6 addr: fe80::47e:68ff:fe00:103/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:13086 errors:0 dropped:0 overruns:0 frame:0
> TX packets:13 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:762655 (744.7 KiB) TX bytes:774 (774.0 B)
> eth7 Link encap:Ethernet HWaddr 06:27:a8:00:01:03
> inet addr:xxx.xxx.245.59 Bcast:xxx.xxx.245.255 Mask:255.255.255.0
> inet6 addr: fe80::427:a8ff:fe00:103/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:13064 errors:0 dropped:0 overruns:0 frame:0
> TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:761153 (743.3 KiB) TX bytes:704 (704.0 B)
> eth8 Link encap:Ethernet HWaddr 06:27:a8:00:01:03
> inet addr:xxx.xxx.245.59 Bcast:xxx.xxx.245.255 Mask:255.255.255.0
> inet6 addr: fe80::427:a8ff:fe00:103/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:13043 errors:0 dropped:0 overruns:0 frame:0
> TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:759287 (741.4 KiB) TX bytes:704 (704.0 B)
> 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:16436 Metric:1
> RX packets:6 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:414 (414.0 B) TX bytes:414 (414.0 B)
> The cloudstack management browser still shows the router as only supposed to
> have 3 nics.
> The agent log on the physical host has nothing in it (I was tailing that log
> when I did this, as I would have thought that the agent has to create the
> devices for the vm to get them).
> I have attached the management log from just before to just after. (Time of
> change was 9:39am). I do not know why the router timestamp is not the same as
> the host.
> I have also attached the log of the router restart.
> The physical server is Centos 6.4, and all the vms that we have created are
> Centos 6.4. KVM is the hypervisor.
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