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Re: VR corrupted when adding many guest network to VPC


Hi, Andrija,

Our problem is exactly the one that you found.  After we apply the patch, 
it works very well. 

Thanks a lot for the help.

Thanks
Ivan



From:   Andrija Panic <andrija.panic@xxxxxxxxx>
To:     users <users@xxxxxxxxxxxxxxxxxxxxx>
Date:   2018/11/09 03:55 AM
Subject:        Re: VR corrupted when adding many guest network to VPC



afaik, if ti's the same stuff - then it's here:
https://issues.apache.org/jira/browse/CLOUDSTACK-9999


cheers

On Fri, 9 Nov 2018 at 06:00, Ivan X Yue <ivanyue@xxxxxxxxxx> wrote:

> We are using CloudStack 4.9.3.1.  We are using advance networking, and
> create VPC network with multiple guest networks.  Each guest network has 
a
> few VMs and a few public IPs.  Everything works well until we add the 
9th
> guest network to the VPC.  After creating it and adding a VM there, the
> Virtual Router is corrupted.  All the public IPs that works before stop
> working.
>
> When we check out the virtual router, it seems that when it setup the 
9th
> network, it creates eth10.  However, instead of adding the inet info to
> eth10, it is added to eth1 instead.  We observe the same issue in
> /etc/dnsmasq.d/cloud.conf.  The DNS info is added to eth1 instead of
> eth10.  As the result, the cloud.conf file is corrupted and dnsmasq 
fails
> to start.
>
> Is it a known issue?  Is there any patch or work around?
>
>
> root@r-514-VM:/etc/dnsmasq.d# ip addr
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
>     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>     inet 127.0.0.1/8 scope host lo
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast 
state
> UP qlen 1000
>     link/ether 0e:00:a9:fe:01:72 brd ff:ff:ff:ff:ff:ff
>     inet 169.254.1.114/16 brd 169.254.255.255 scope global eth0
> 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast 
state
> UP qlen 1000
>     link/ether 06:76:18:00:00:0a brd ff:ff:ff:ff:ff:ff
>     inet 10.125.18.81/26 brd 10.125.18.127 scope global eth1
>     inet 172.16.8.1/24 brd 172.16.8.255 scope global eth1
>     inet 10.125.18.82/26 brd 10.125.18.127 scope global secondary eth1
>     inet 10.125.18.92/26 brd 10.125.18.127 scope global secondary eth1
>     inet 10.125.18.99/26 brd 10.125.18.127 scope global secondary eth1
>     inet 10.125.18.91/26 brd 10.125.18.127 scope global secondary eth1
>     inet 10.125.18.101/26 brd 10.125.18.127 scope global secondary eth1
>     inet 10.125.18.102/26 brd 10.125.18.127 scope global secondary eth1
>     inet 10.125.18.115/26 brd 10.125.18.127 scope global secondary eth1
>     inet 10.125.18.98/26 brd 10.125.18.127 scope global secondary eth1
> 4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast 
state
> UP qlen 1000
>     link/ether 02:00:67:af:00:02 brd ff:ff:ff:ff:ff:ff
>     inet 172.16.0.1/24 brd 172.16.0.255 scope global eth2
> 5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast 
state
> UP qlen 1000
>     link/ether 02:00:5e:46:00:02 brd ff:ff:ff:ff:ff:ff
>     inet 172.16.1.1/24 brd 172.16.1.255 scope global eth3
> 6: eth4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast 
state
> UP qlen 1000
>     link/ether 02:00:27:b8:00:02 brd ff:ff:ff:ff:ff:ff
>     inet 172.16.2.1/24 brd 172.16.2.255 scope global eth4
> 7: eth5: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast 
state
> UP qlen 1000
>     link/ether 02:00:27:4b:00:02 brd ff:ff:ff:ff:ff:ff
>     inet 172.16.3.1/24 brd 172.16.3.255 scope global eth5
> 8: eth6: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast 
state
> UP qlen 1000
>     link/ether 02:00:79:f7:00:02 brd ff:ff:ff:ff:ff:ff
>     inet 172.16.4.1/24 brd 172.16.4.255 scope global eth6
> 9: eth7: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast 
state
> UP qlen 1000
>     link/ether 02:00:67:91:00:02 brd ff:ff:ff:ff:ff:ff
>     inet 172.16.5.1/24 brd 172.16.5.255 scope global eth7
> 10: eth8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
> state UP qlen 1000
>     link/ether 02:00:4b:40:00:02 brd ff:ff:ff:ff:ff:ff
>     inet 172.16.6.1/24 brd 172.16.6.255 scope global eth8
> 11: eth9: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
> state UP qlen 1000
>     link/ether 02:00:44:40:00:02 brd ff:ff:ff:ff:ff:ff
>     inet 172.16.7.1/24 brd 172.16.7.255 scope global eth9
> 12: eth10: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 
1000
>     link/ether 02:00:1d:61:00:02 brd ff:ff:ff:ff:ff:ff
>
>
> Please let me know if there is any suggestion.  Thx for any help in
> advance.
>
> Thanks,
> Ivan
>
>
>

-- 

Andrija Panić