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Posted to users@cloudstack.apache.org by Дикевич Евгений Александрович <ev...@becloud.by> on 2021/10/15 09:14:18 UTC

RE: [!!Mass Mail]Exception : Can not find network: cloudbr0

Hi
Your cloudbr0 is in DOWN state. Check your network again

https://ibb.co/rFyh4Zk

-----Original Message-----
From: Bs Serge [mailto:sergebs10@gmail.com]
Sent: Friday, October 15, 2021 11:57 AM
To: users@cloudstack.apache.org
Subject: [!!Mass Mail]Exception : Can not find network: cloudbr0

Hi, my favourite community,

Cloudstack 4.15.2
Host KVM
Centos 8

I'm trying to add a new KVM host to cloudstack and I'm getting this exception in the management server that says it can not find a network named cloudbr0 on the agent while the bridge network cloudbr0  exists,

Below I shared the output of ifconfig on the agent and both the management server and the agent logs

The new host has 4 NICs but only 2 of them are connected.

https://ibb.co/5RGfGZS
https://ibb.co/rFyh4Zk

Management Logs
https://ibb.co/KwbpDNb

Agent Logs
https://ibb.co/TRM8zXR

Any kind of help would be appreciated.

Best Regards,
Внимание!
Это электронное письмо и все прикрепленные к нему файлы являются конфиденциальными и предназначены исключительно для использования лицом (лицами), которому (которым) оно предназначено. Если Вы не являетесь лицом (лицами), которому (которым) предназначено это письмо, не копируйте и не разглашайте его содержимое и удалите это сообщение и все вложения из Вашей почтовой системы. Любое несанкционированное использование, распространение, раскрытие, печать или копирование этого электронного письма и прикрепленных к нему файлов, кроме как лицом (лицами) которому (которым) они предназначены, является незаконным и запрещено. Принимая во внимание, что передача данных посредством Интернет не является безопасной, мы не несем никакой ответственности за любой потенциальный ущерб, причиненный в результате ошибок при передаче данных или этим сообщением и прикрепленными к нему файлами.

Attention!
This email and all attachments to it are confidential and are intended solely for use by the person (or persons) referred to (mentioned) as the intended recipient (recipients). If you are not the intended recipient of this email, do not copy or disclose its contents and delete the message and any attachments to it from your e-mail system. Any unauthorized use, dissemination, disclosure, printing or copying of this e-mail and files attached to it, except by the intended recipient, is illegal and is prohibited. Taking into account that data transmission via Internet is not secure, we assume no responsibility for any potential damage caused by data transmission errors or this message and the files attached to it.

Re: [!!Mass Mail]Exception : Can not find network: cloudbr0

Posted by Bs Serge <se...@gmail.com>.
Thank you Vash and Дикевич Евгений Александрович

Everything worked in the end. what I had to do was :

- put the cloudbr0 in UP state : cmd : ip link set cloudbr0 up
- and then deactivate the eno1 interface : (I used the nmtui tool)

As I always say you guys are my favourite community and I wish you a great
weekend.

Best Regards,

On Fri, Oct 15, 2021 at 4:55 PM Vash_X@gmx.de <Va...@gmx.de> wrote:

> Hi Serge,
>
> i really don't see the point in bonding those two interfaces, as they are
> meant to be used for different taffic.
> Therefore i guess you should at the moment remain on your inital
> configuration.
>
> As far as i have read through all of this you would like to "clone" the
> setup from the host which is already working:
> Bridge: cloudbr0 <--- here ip configuration
>      interface: eno1 <--- no ip configuration / disable dhcp just to be
> save
>
> Bridge: cloudbr1 <--- no ip configuration / disable dhcp just to be save
>      interface: eno4 <--- no ip configuration / disable dhcp just to be
> save
>
> that should at least give you a basic connectivity again.
> Afterwards, reading through you provided log agent.log i would check
> connectivity from the host to the management server as well as to the
> storage server - even try mounting a nfs-share.
> As war as i read the log correctly the communication twards the
> managementserver has worked out well but there where some trouble with the
> connection to the storage provider.
>
> regards
>
>
> Am Fr., 15. Okt. 2021 um 13:28 Uhr schrieb Bs Serge <se...@gmail.com>:
>
> > I appreciate the help,
> >
> > I tried the above, created a bond and combined eno1 and eno4 but when I
> > rebooted neither of the interfaces or the bond or bridges were showing up
> > in ifconfig, which meant I couldn't even SSH, so I had to set them back
> > manually.
> >
> > I'd like to mention that another host works perfectly with the same
> network
> > configuration, It has 2 NICs interfaces enp0s25 and enp3s0 and two
> bridges
> > cloudbr0 and cloudbr1.  cloudbr0 has an IP but the child interface
> > (enp0s25) does not. cloudbr1 does not have IP coz it is used for public
> > traffic and its child interface is enp3s0.
> >
> > When I was configuring the first host this was a reply email I got from
> > Andrija Panic after showing the same configuration.
> >
> >
> > Hi Serge,
> > >
> > > that configuration looks OK - cloudbr0 has to has an IP as you want to
> be
> > > able to have your host on the management network (and you removed the
> IP
> > > from the child-interface).
> > > cloudbr1 is use for public traffic, so that is also ok - NO IP should
> be
> > > there, as you do NOT want your host to be reachable via L3 on it's
> public
> > > IP address - only L2, pass through the traffic to the VMs.
> > >
> > > In short, yes, it looks good.
> > >
> > > When in ACS, make sure to set "cloudbr0" as KVM traffic label for
> > > management/storage/guest traffic type, while  "cloudbr1" (no quotes)
> will
> > > be the traffic label for public traffic.
> > >
> > > After all these changes, make sure to destroy SSVM/CPVM, and restart
> any
> > > networks/VPC with  "cleanup" which will create new VRs attached to the
> > > correct bridges, etc.
> > >
> > >
> > > Good luck!
> > >
> >
> >
> > The traffic labelled in ACS are still set like mentioned above, that's
> why
> > the management server is trying to look for "cloudbr0" on the host.
> >
> > On the host which works fine, you can see that the cloudbr0 has an IP and
> > its child interface enp0s25 does not, which I think is how it is supposed
> > to be also on the new host.
> >
> > https://ibb.co/XbwkRVH
> >
> > So I guess that's where my problem lies on this new host, the cloudbr0
> > bridge is taking the IP as well as the child interface eno1.
> >
> > Again any help or guidance would be appreciated.
> >
> > Best Regards,
> >
> > On Fri, Oct 15, 2021 at 11:51 AM Дикевич Евгений Александрович <
> > evgeniy.dikevich@becloud.by> wrote:
> >
> > > Mb better combine eno1 and eno4 in bond and then create bridge on this
> > > bond:
> > >
> > > Smth like this:
> > >
> > > cat /etc/sysconfig/network-scripts/ifcfg-eno1
> > > TYPE=Ethernet
> > > BOOTPROTO=none
> > > NAME=eno1
> > > DEVICE=eno1
> > > ONBOOT=yes
> > > MASTER=bond0
> > > SLAVE=yes
> > > NM_CONTROLLED=no
> > >
> > > cat /etc/sysconfig/network-scripts/ifcfg-eno2
> > > TYPE=Ethernet
> > > BOOTPROTO=none
> > > NAME=eno2
> > > DEVICE=eno2
> > > ONBOOT=yes
> > > MASTER=bond0
> > > SLAVE=yes
> > > NM_CONTROLLED=no
> > >
> > > cat /etc/sysconfig/network-scripts/ifcfg-bond0
> > > NAME=bond0
> > > DEVICE=bond0
> > > NM_CONTROLLED=no
> > > TYPE=Bond
> > > BRIDGE=cloudbr0
> > > ONBOOT=yes
> > > NM_CONTOLLED=no
> > > BONDING_OPTS="mode=802.3ad miimon=100 lacp_rate=fast
> > > xmit_hash_policy=layer2+3"
> > >
> > > cat /etc/sysconfig/network-scripts/ifcfg-cloudbr0
> > > NAME=cloudbr0
> > > DEVICE=cloudbr0
> > > TYPE=Bridge
> > > ONBOOT=yes
> > > NM_CONTROLLED=no
> > > IPADDR=XXX.XXX.XXX.XXX
> > > PREFIX=YY
> > >
> > > Or better read this:
> > >
> > >
> > >
> >
> https://www.shapeblue.com/networking-kvm-for-cloudstack-2018-revisit-for-centos7-and-ubuntu-18-04/
> > >
> > > -----Original Message-----
> > > From: Bs Serge [mailto:sergebs10@gmail.com]
> > > Sent: Friday, October 15, 2021 12:44 PM
> > > To: users@cloudstack.apache.org
> > > Subject: Re: [!!Mass Mail]Exception : Can not find network: cloudbr0
> > >
> > > Yes, I just realized that
> > >
> > > On the host both the bridge cloudbr0 and the interface eno1 have the
> same
> > > IP : 192.168.1.10  which is the IP of the host server. the management
> > > server IP is 192.168.1.8
> > >
> > > I tried to reboot the host but the issue was not resolved
> > >
> > > This is my bridge configuration,
> > >
> > > cat ifcfg-cloudbr0
> > > DEVICE=cloudbr0
> > > TYPE=Bridge
> > > ONBOOT=yes
> > > BOOTPROTO=none
> > > IPV6INIT=no
> > > IPV6_AUTOCONF=no
> > > DELAY=5
> > > IPADDR=192.168.1.10
> > > GATEWAY=192.168.1.1
> > > NETMASK=255.255.255.0
> > > STP=yes
> > >
> > > //-------------------
> > >
> > > cat ifcfg-eno1
> > > TYPE="Ethernet"
> > > BOOTPROTO="none"
> > > NAME="eno1"
> > > DEVICE="eno1"
> > > ONBOOT="yes"
> > > BRIDGE=cloudbr0
> > > HOTPLUG=no
> > >
> > >
> > > //-------------------
> > >
> > > cat ifcfg-cloudbr1
> > > DEVICE=cloudbr1
> > > TYPE=Bridge
> > > ONBOOT=yes
> > > BOOTPROTO=none
> > > IPV6INIT=no
> > > IPV6_AUTOCONF=no
> > > DELAY=5
> > > STP=yes
> > >
> > > //-----------
> > >
> > > cat ifcfg-eno4
> > > TYPE=Ethernet
> > > NAME=eno4
> > > UUID=949aef09-7aee-492f-82c3-969e445b8746
> > > DEVICE=eno4
> > > ONBOOT=yes
> > > HOTPLUG=no
> > > BOOTPROTO=none
> > > BRIDGE=cloudbr1
> > >
> > > Thanks for the prompt reply,
> > >
> > > Best Regards,
> > >
> > >
> > > On Fri, Oct 15, 2021 at 11:16 AM Дикевич Евгений Александрович <
> > > evgeniy.dikevich@becloud.by> wrote:
> > >
> > > > And you have management IP on eno1. Mb U should reboot your host
> > > > first:)
> > > >
> > > > -----Original Message-----
> > > > From: Дикевич Евгений Александрович
> > > > [mailto:evgeniy.dikevich@becloud.by]
> > > > Sent: Friday, October 15, 2021 12:14 PM
> > > > To: users@cloudstack.apache.org
> > > > Subject: RE: [!!Mass Mail]Exception : Can not find network: cloudbr0
> > > >
> > > > Hi
> > > > Your cloudbr0 is in DOWN state. Check your network again
> > > >
> > > > https://ibb.co/rFyh4Zk
> > > >
> > > > -----Original Message-----
> > > > From: Bs Serge [mailto:sergebs10@gmail.com]
> > > > Sent: Friday, October 15, 2021 11:57 AM
> > > > To: users@cloudstack.apache.org
> > > > Subject: [!!Mass Mail]Exception : Can not find network: cloudbr0
> > > >
> > > > Hi, my favourite community,
> > > >
> > > > Cloudstack 4.15.2
> > > > Host KVM
> > > > Centos 8
> > > >
> > > > I'm trying to add a new KVM host to cloudstack and I'm getting this
> > > > exception in the management server that says it can not find a
> network
> > > > named cloudbr0 on the agent while the bridge network cloudbr0
> exists,
> > > >
> > > > Below I shared the output of ifconfig on the agent and both the
> > > > management server and the agent logs
> > > >
> > > > The new host has 4 NICs but only 2 of them are connected.
> > > >
> > > > https://ibb.co/5RGfGZS
> > > > https://ibb.co/rFyh4Zk
> > > >
> > > > Management Logs
> > > > https://ibb.co/KwbpDNb
> > > >
> > > > Agent Logs
> > > > https://ibb.co/TRM8zXR
> > > >
> > > > Any kind of help would be appreciated.
> > > >
> > > > Best Regards,
> > > > Внимание!
> > > > Это электронное письмо и все прикрепленные к нему файлы являются
> > > > конфиденциальными и предназначены исключительно для использования
> > > > лицом (лицами), которому (которым) оно предназначено. Если Вы не
> > > > являетесь лицом (лицами), которому (которым) предназначено это
> письмо,
> > > > не копируйте и не разглашайте его содержимое и удалите это сообщение
> и
> > > > все вложения из Вашей почтовой системы. Любое несанкционированное
> > > > использование, распространение, раскрытие, печать или копирование
> > > > этого электронного письма и прикрепленных к нему файлов, кроме как
> > > > лицом (лицами) которому (которым) они предназначены, является
> > > > незаконным и запрещено. Принимая во внимание, что передача данных
> > > > посредством Интернет не является безопасной, мы не несем никакой
> > > > ответственности за любой потенциальный ущерб, причиненный в
> результате
> > > > ошибок при передаче данных или этим сообщением и прикрепленными к
> нему
> > > файлами.
> > > >
> > > > Attention!
> > > > This email and all attachments to it are confidential and are
> intended
> > > > solely for use by the person (or persons) referred to (mentioned) as
> > > > the intended recipient (recipients). If you are not the intended
> > > > recipient of this email, do not copy or disclose its contents and
> > > > delete the message and any attachments to it from your e-mail system.
> > > > Any unauthorized use, dissemination, disclosure, printing or copying
> > > > of this e-mail and files attached to it, except by the intended
> > > > recipient, is illegal and is prohibited. Taking into account that
> data
> > > > transmission via Internet is not secure, we assume no responsibility
> > > > for any potential damage caused by data transmission errors or this
> > > message and the files attached to it.
> > > >
> > > Внимание!
> > > Это электронное письмо и все прикрепленные к нему файлы являются
> > > конфиденциальными и предназначены исключительно для использования лицом
> > > (лицами), которому (которым) оно предназначено. Если Вы не являетесь
> > лицом
> > > (лицами), которому (которым) предназначено это письмо, не копируйте и
> не
> > > разглашайте его содержимое и удалите это сообщение и все вложения из
> > Вашей
> > > почтовой системы. Любое несанкционированное использование,
> > распространение,
> > > раскрытие, печать или копирование этого электронного письма и
> > прикрепленных
> > > к нему файлов, кроме как лицом (лицами) которому (которым) они
> > > предназначены, является незаконным и запрещено. Принимая во внимание,
> что
> > > передача данных посредством Интернет не является безопасной, мы не
> несем
> > > никакой ответственности за любой потенциальный ущерб, причиненный в
> > > результате ошибок при передаче данных или этим сообщением и
> > прикрепленными
> > > к нему файлами.
> > >
> > > Attention!
> > > This email and all attachments to it are confidential and are intended
> > > solely for use by the person (or persons) referred to (mentioned) as
> the
> > > intended recipient (recipients). If you are not the intended recipient
> of
> > > this email, do not copy or disclose its contents and delete the message
> > and
> > > any attachments to it from your e-mail system. Any unauthorized use,
> > > dissemination, disclosure, printing or copying of this e-mail and files
> > > attached to it, except by the intended recipient, is illegal and is
> > > prohibited. Taking into account that data transmission via Internet is
> > not
> > > secure, we assume no responsibility for any potential damage caused by
> > data
> > > transmission errors or this message and the files attached to it.
> > >
> >
>

Re: [!!Mass Mail]Exception : Can not find network: cloudbr0

Posted by "Vash_X@gmx.de" <Va...@gmx.de>.
Hi Serge,

i really don't see the point in bonding those two interfaces, as they are
meant to be used for different taffic.
Therefore i guess you should at the moment remain on your inital
configuration.

As far as i have read through all of this you would like to "clone" the
setup from the host which is already working:
Bridge: cloudbr0 <--- here ip configuration
     interface: eno1 <--- no ip configuration / disable dhcp just to be save

Bridge: cloudbr1 <--- no ip configuration / disable dhcp just to be save
     interface: eno4 <--- no ip configuration / disable dhcp just to be save

that should at least give you a basic connectivity again.
Afterwards, reading through you provided log agent.log i would check
connectivity from the host to the management server as well as to the
storage server - even try mounting a nfs-share.
As war as i read the log correctly the communication twards the
managementserver has worked out well but there where some trouble with the
connection to the storage provider.

regards


Am Fr., 15. Okt. 2021 um 13:28 Uhr schrieb Bs Serge <se...@gmail.com>:

> I appreciate the help,
>
> I tried the above, created a bond and combined eno1 and eno4 but when I
> rebooted neither of the interfaces or the bond or bridges were showing up
> in ifconfig, which meant I couldn't even SSH, so I had to set them back
> manually.
>
> I'd like to mention that another host works perfectly with the same network
> configuration, It has 2 NICs interfaces enp0s25 and enp3s0 and two bridges
> cloudbr0 and cloudbr1.  cloudbr0 has an IP but the child interface
> (enp0s25) does not. cloudbr1 does not have IP coz it is used for public
> traffic and its child interface is enp3s0.
>
> When I was configuring the first host this was a reply email I got from
> Andrija Panic after showing the same configuration.
>
>
> Hi Serge,
> >
> > that configuration looks OK - cloudbr0 has to has an IP as you want to be
> > able to have your host on the management network (and you removed the IP
> > from the child-interface).
> > cloudbr1 is use for public traffic, so that is also ok - NO IP should be
> > there, as you do NOT want your host to be reachable via L3 on it's public
> > IP address - only L2, pass through the traffic to the VMs.
> >
> > In short, yes, it looks good.
> >
> > When in ACS, make sure to set "cloudbr0" as KVM traffic label for
> > management/storage/guest traffic type, while  "cloudbr1" (no quotes) will
> > be the traffic label for public traffic.
> >
> > After all these changes, make sure to destroy SSVM/CPVM, and restart any
> > networks/VPC with  "cleanup" which will create new VRs attached to the
> > correct bridges, etc.
> >
> >
> > Good luck!
> >
>
>
> The traffic labelled in ACS are still set like mentioned above, that's why
> the management server is trying to look for "cloudbr0" on the host.
>
> On the host which works fine, you can see that the cloudbr0 has an IP and
> its child interface enp0s25 does not, which I think is how it is supposed
> to be also on the new host.
>
> https://ibb.co/XbwkRVH
>
> So I guess that's where my problem lies on this new host, the cloudbr0
> bridge is taking the IP as well as the child interface eno1.
>
> Again any help or guidance would be appreciated.
>
> Best Regards,
>
> On Fri, Oct 15, 2021 at 11:51 AM Дикевич Евгений Александрович <
> evgeniy.dikevich@becloud.by> wrote:
>
> > Mb better combine eno1 and eno4 in bond and then create bridge on this
> > bond:
> >
> > Smth like this:
> >
> > cat /etc/sysconfig/network-scripts/ifcfg-eno1
> > TYPE=Ethernet
> > BOOTPROTO=none
> > NAME=eno1
> > DEVICE=eno1
> > ONBOOT=yes
> > MASTER=bond0
> > SLAVE=yes
> > NM_CONTROLLED=no
> >
> > cat /etc/sysconfig/network-scripts/ifcfg-eno2
> > TYPE=Ethernet
> > BOOTPROTO=none
> > NAME=eno2
> > DEVICE=eno2
> > ONBOOT=yes
> > MASTER=bond0
> > SLAVE=yes
> > NM_CONTROLLED=no
> >
> > cat /etc/sysconfig/network-scripts/ifcfg-bond0
> > NAME=bond0
> > DEVICE=bond0
> > NM_CONTROLLED=no
> > TYPE=Bond
> > BRIDGE=cloudbr0
> > ONBOOT=yes
> > NM_CONTOLLED=no
> > BONDING_OPTS="mode=802.3ad miimon=100 lacp_rate=fast
> > xmit_hash_policy=layer2+3"
> >
> > cat /etc/sysconfig/network-scripts/ifcfg-cloudbr0
> > NAME=cloudbr0
> > DEVICE=cloudbr0
> > TYPE=Bridge
> > ONBOOT=yes
> > NM_CONTROLLED=no
> > IPADDR=XXX.XXX.XXX.XXX
> > PREFIX=YY
> >
> > Or better read this:
> >
> >
> >
> https://www.shapeblue.com/networking-kvm-for-cloudstack-2018-revisit-for-centos7-and-ubuntu-18-04/
> >
> > -----Original Message-----
> > From: Bs Serge [mailto:sergebs10@gmail.com]
> > Sent: Friday, October 15, 2021 12:44 PM
> > To: users@cloudstack.apache.org
> > Subject: Re: [!!Mass Mail]Exception : Can not find network: cloudbr0
> >
> > Yes, I just realized that
> >
> > On the host both the bridge cloudbr0 and the interface eno1 have the same
> > IP : 192.168.1.10  which is the IP of the host server. the management
> > server IP is 192.168.1.8
> >
> > I tried to reboot the host but the issue was not resolved
> >
> > This is my bridge configuration,
> >
> > cat ifcfg-cloudbr0
> > DEVICE=cloudbr0
> > TYPE=Bridge
> > ONBOOT=yes
> > BOOTPROTO=none
> > IPV6INIT=no
> > IPV6_AUTOCONF=no
> > DELAY=5
> > IPADDR=192.168.1.10
> > GATEWAY=192.168.1.1
> > NETMASK=255.255.255.0
> > STP=yes
> >
> > //-------------------
> >
> > cat ifcfg-eno1
> > TYPE="Ethernet"
> > BOOTPROTO="none"
> > NAME="eno1"
> > DEVICE="eno1"
> > ONBOOT="yes"
> > BRIDGE=cloudbr0
> > HOTPLUG=no
> >
> >
> > //-------------------
> >
> > cat ifcfg-cloudbr1
> > DEVICE=cloudbr1
> > TYPE=Bridge
> > ONBOOT=yes
> > BOOTPROTO=none
> > IPV6INIT=no
> > IPV6_AUTOCONF=no
> > DELAY=5
> > STP=yes
> >
> > //-----------
> >
> > cat ifcfg-eno4
> > TYPE=Ethernet
> > NAME=eno4
> > UUID=949aef09-7aee-492f-82c3-969e445b8746
> > DEVICE=eno4
> > ONBOOT=yes
> > HOTPLUG=no
> > BOOTPROTO=none
> > BRIDGE=cloudbr1
> >
> > Thanks for the prompt reply,
> >
> > Best Regards,
> >
> >
> > On Fri, Oct 15, 2021 at 11:16 AM Дикевич Евгений Александрович <
> > evgeniy.dikevich@becloud.by> wrote:
> >
> > > And you have management IP on eno1. Mb U should reboot your host
> > > first:)
> > >
> > > -----Original Message-----
> > > From: Дикевич Евгений Александрович
> > > [mailto:evgeniy.dikevich@becloud.by]
> > > Sent: Friday, October 15, 2021 12:14 PM
> > > To: users@cloudstack.apache.org
> > > Subject: RE: [!!Mass Mail]Exception : Can not find network: cloudbr0
> > >
> > > Hi
> > > Your cloudbr0 is in DOWN state. Check your network again
> > >
> > > https://ibb.co/rFyh4Zk
> > >
> > > -----Original Message-----
> > > From: Bs Serge [mailto:sergebs10@gmail.com]
> > > Sent: Friday, October 15, 2021 11:57 AM
> > > To: users@cloudstack.apache.org
> > > Subject: [!!Mass Mail]Exception : Can not find network: cloudbr0
> > >
> > > Hi, my favourite community,
> > >
> > > Cloudstack 4.15.2
> > > Host KVM
> > > Centos 8
> > >
> > > I'm trying to add a new KVM host to cloudstack and I'm getting this
> > > exception in the management server that says it can not find a network
> > > named cloudbr0 on the agent while the bridge network cloudbr0  exists,
> > >
> > > Below I shared the output of ifconfig on the agent and both the
> > > management server and the agent logs
> > >
> > > The new host has 4 NICs but only 2 of them are connected.
> > >
> > > https://ibb.co/5RGfGZS
> > > https://ibb.co/rFyh4Zk
> > >
> > > Management Logs
> > > https://ibb.co/KwbpDNb
> > >
> > > Agent Logs
> > > https://ibb.co/TRM8zXR
> > >
> > > Any kind of help would be appreciated.
> > >
> > > Best Regards,
> > > Внимание!
> > > Это электронное письмо и все прикрепленные к нему файлы являются
> > > конфиденциальными и предназначены исключительно для использования
> > > лицом (лицами), которому (которым) оно предназначено. Если Вы не
> > > являетесь лицом (лицами), которому (которым) предназначено это письмо,
> > > не копируйте и не разглашайте его содержимое и удалите это сообщение и
> > > все вложения из Вашей почтовой системы. Любое несанкционированное
> > > использование, распространение, раскрытие, печать или копирование
> > > этого электронного письма и прикрепленных к нему файлов, кроме как
> > > лицом (лицами) которому (которым) они предназначены, является
> > > незаконным и запрещено. Принимая во внимание, что передача данных
> > > посредством Интернет не является безопасной, мы не несем никакой
> > > ответственности за любой потенциальный ущерб, причиненный в результате
> > > ошибок при передаче данных или этим сообщением и прикрепленными к нему
> > файлами.
> > >
> > > Attention!
> > > This email and all attachments to it are confidential and are intended
> > > solely for use by the person (or persons) referred to (mentioned) as
> > > the intended recipient (recipients). If you are not the intended
> > > recipient of this email, do not copy or disclose its contents and
> > > delete the message and any attachments to it from your e-mail system.
> > > Any unauthorized use, dissemination, disclosure, printing or copying
> > > of this e-mail and files attached to it, except by the intended
> > > recipient, is illegal and is prohibited. Taking into account that data
> > > transmission via Internet is not secure, we assume no responsibility
> > > for any potential damage caused by data transmission errors or this
> > message and the files attached to it.
> > >
> > Внимание!
> > Это электронное письмо и все прикрепленные к нему файлы являются
> > конфиденциальными и предназначены исключительно для использования лицом
> > (лицами), которому (которым) оно предназначено. Если Вы не являетесь
> лицом
> > (лицами), которому (которым) предназначено это письмо, не копируйте и не
> > разглашайте его содержимое и удалите это сообщение и все вложения из
> Вашей
> > почтовой системы. Любое несанкционированное использование,
> распространение,
> > раскрытие, печать или копирование этого электронного письма и
> прикрепленных
> > к нему файлов, кроме как лицом (лицами) которому (которым) они
> > предназначены, является незаконным и запрещено. Принимая во внимание, что
> > передача данных посредством Интернет не является безопасной, мы не несем
> > никакой ответственности за любой потенциальный ущерб, причиненный в
> > результате ошибок при передаче данных или этим сообщением и
> прикрепленными
> > к нему файлами.
> >
> > Attention!
> > This email and all attachments to it are confidential and are intended
> > solely for use by the person (or persons) referred to (mentioned) as the
> > intended recipient (recipients). If you are not the intended recipient of
> > this email, do not copy or disclose its contents and delete the message
> and
> > any attachments to it from your e-mail system. Any unauthorized use,
> > dissemination, disclosure, printing or copying of this e-mail and files
> > attached to it, except by the intended recipient, is illegal and is
> > prohibited. Taking into account that data transmission via Internet is
> not
> > secure, we assume no responsibility for any potential damage caused by
> data
> > transmission errors or this message and the files attached to it.
> >
>

Re: [!!Mass Mail]Exception : Can not find network: cloudbr0

Posted by Bs Serge <se...@gmail.com>.
I appreciate the help,

I tried the above, created a bond and combined eno1 and eno4 but when I
rebooted neither of the interfaces or the bond or bridges were showing up
in ifconfig, which meant I couldn't even SSH, so I had to set them back
manually.

I'd like to mention that another host works perfectly with the same network
configuration, It has 2 NICs interfaces enp0s25 and enp3s0 and two bridges
cloudbr0 and cloudbr1.  cloudbr0 has an IP but the child interface
(enp0s25) does not. cloudbr1 does not have IP coz it is used for public
traffic and its child interface is enp3s0.

When I was configuring the first host this was a reply email I got from
Andrija Panic after showing the same configuration.


Hi Serge,
>
> that configuration looks OK - cloudbr0 has to has an IP as you want to be
> able to have your host on the management network (and you removed the IP
> from the child-interface).
> cloudbr1 is use for public traffic, so that is also ok - NO IP should be
> there, as you do NOT want your host to be reachable via L3 on it's public
> IP address - only L2, pass through the traffic to the VMs.
>
> In short, yes, it looks good.
>
> When in ACS, make sure to set "cloudbr0" as KVM traffic label for
> management/storage/guest traffic type, while  "cloudbr1" (no quotes) will
> be the traffic label for public traffic.
>
> After all these changes, make sure to destroy SSVM/CPVM, and restart any
> networks/VPC with  "cleanup" which will create new VRs attached to the
> correct bridges, etc.
>
>
> Good luck!
>


The traffic labelled in ACS are still set like mentioned above, that's why
the management server is trying to look for "cloudbr0" on the host.

On the host which works fine, you can see that the cloudbr0 has an IP and
its child interface enp0s25 does not, which I think is how it is supposed
to be also on the new host.

https://ibb.co/XbwkRVH

So I guess that's where my problem lies on this new host, the cloudbr0
bridge is taking the IP as well as the child interface eno1.

Again any help or guidance would be appreciated.

Best Regards,

On Fri, Oct 15, 2021 at 11:51 AM Дикевич Евгений Александрович <
evgeniy.dikevich@becloud.by> wrote:

> Mb better combine eno1 and eno4 in bond and then create bridge on this
> bond:
>
> Smth like this:
>
> cat /etc/sysconfig/network-scripts/ifcfg-eno1
> TYPE=Ethernet
> BOOTPROTO=none
> NAME=eno1
> DEVICE=eno1
> ONBOOT=yes
> MASTER=bond0
> SLAVE=yes
> NM_CONTROLLED=no
>
> cat /etc/sysconfig/network-scripts/ifcfg-eno2
> TYPE=Ethernet
> BOOTPROTO=none
> NAME=eno2
> DEVICE=eno2
> ONBOOT=yes
> MASTER=bond0
> SLAVE=yes
> NM_CONTROLLED=no
>
> cat /etc/sysconfig/network-scripts/ifcfg-bond0
> NAME=bond0
> DEVICE=bond0
> NM_CONTROLLED=no
> TYPE=Bond
> BRIDGE=cloudbr0
> ONBOOT=yes
> NM_CONTOLLED=no
> BONDING_OPTS="mode=802.3ad miimon=100 lacp_rate=fast
> xmit_hash_policy=layer2+3"
>
> cat /etc/sysconfig/network-scripts/ifcfg-cloudbr0
> NAME=cloudbr0
> DEVICE=cloudbr0
> TYPE=Bridge
> ONBOOT=yes
> NM_CONTROLLED=no
> IPADDR=XXX.XXX.XXX.XXX
> PREFIX=YY
>
> Or better read this:
>
>
> https://www.shapeblue.com/networking-kvm-for-cloudstack-2018-revisit-for-centos7-and-ubuntu-18-04/
>
> -----Original Message-----
> From: Bs Serge [mailto:sergebs10@gmail.com]
> Sent: Friday, October 15, 2021 12:44 PM
> To: users@cloudstack.apache.org
> Subject: Re: [!!Mass Mail]Exception : Can not find network: cloudbr0
>
> Yes, I just realized that
>
> On the host both the bridge cloudbr0 and the interface eno1 have the same
> IP : 192.168.1.10  which is the IP of the host server. the management
> server IP is 192.168.1.8
>
> I tried to reboot the host but the issue was not resolved
>
> This is my bridge configuration,
>
> cat ifcfg-cloudbr0
> DEVICE=cloudbr0
> TYPE=Bridge
> ONBOOT=yes
> BOOTPROTO=none
> IPV6INIT=no
> IPV6_AUTOCONF=no
> DELAY=5
> IPADDR=192.168.1.10
> GATEWAY=192.168.1.1
> NETMASK=255.255.255.0
> STP=yes
>
> //-------------------
>
> cat ifcfg-eno1
> TYPE="Ethernet"
> BOOTPROTO="none"
> NAME="eno1"
> DEVICE="eno1"
> ONBOOT="yes"
> BRIDGE=cloudbr0
> HOTPLUG=no
>
>
> //-------------------
>
> cat ifcfg-cloudbr1
> DEVICE=cloudbr1
> TYPE=Bridge
> ONBOOT=yes
> BOOTPROTO=none
> IPV6INIT=no
> IPV6_AUTOCONF=no
> DELAY=5
> STP=yes
>
> //-----------
>
> cat ifcfg-eno4
> TYPE=Ethernet
> NAME=eno4
> UUID=949aef09-7aee-492f-82c3-969e445b8746
> DEVICE=eno4
> ONBOOT=yes
> HOTPLUG=no
> BOOTPROTO=none
> BRIDGE=cloudbr1
>
> Thanks for the prompt reply,
>
> Best Regards,
>
>
> On Fri, Oct 15, 2021 at 11:16 AM Дикевич Евгений Александрович <
> evgeniy.dikevich@becloud.by> wrote:
>
> > And you have management IP on eno1. Mb U should reboot your host
> > first:)
> >
> > -----Original Message-----
> > From: Дикевич Евгений Александрович
> > [mailto:evgeniy.dikevich@becloud.by]
> > Sent: Friday, October 15, 2021 12:14 PM
> > To: users@cloudstack.apache.org
> > Subject: RE: [!!Mass Mail]Exception : Can not find network: cloudbr0
> >
> > Hi
> > Your cloudbr0 is in DOWN state. Check your network again
> >
> > https://ibb.co/rFyh4Zk
> >
> > -----Original Message-----
> > From: Bs Serge [mailto:sergebs10@gmail.com]
> > Sent: Friday, October 15, 2021 11:57 AM
> > To: users@cloudstack.apache.org
> > Subject: [!!Mass Mail]Exception : Can not find network: cloudbr0
> >
> > Hi, my favourite community,
> >
> > Cloudstack 4.15.2
> > Host KVM
> > Centos 8
> >
> > I'm trying to add a new KVM host to cloudstack and I'm getting this
> > exception in the management server that says it can not find a network
> > named cloudbr0 on the agent while the bridge network cloudbr0  exists,
> >
> > Below I shared the output of ifconfig on the agent and both the
> > management server and the agent logs
> >
> > The new host has 4 NICs but only 2 of them are connected.
> >
> > https://ibb.co/5RGfGZS
> > https://ibb.co/rFyh4Zk
> >
> > Management Logs
> > https://ibb.co/KwbpDNb
> >
> > Agent Logs
> > https://ibb.co/TRM8zXR
> >
> > Any kind of help would be appreciated.
> >
> > Best Regards,
> > Внимание!
> > Это электронное письмо и все прикрепленные к нему файлы являются
> > конфиденциальными и предназначены исключительно для использования
> > лицом (лицами), которому (которым) оно предназначено. Если Вы не
> > являетесь лицом (лицами), которому (которым) предназначено это письмо,
> > не копируйте и не разглашайте его содержимое и удалите это сообщение и
> > все вложения из Вашей почтовой системы. Любое несанкционированное
> > использование, распространение, раскрытие, печать или копирование
> > этого электронного письма и прикрепленных к нему файлов, кроме как
> > лицом (лицами) которому (которым) они предназначены, является
> > незаконным и запрещено. Принимая во внимание, что передача данных
> > посредством Интернет не является безопасной, мы не несем никакой
> > ответственности за любой потенциальный ущерб, причиненный в результате
> > ошибок при передаче данных или этим сообщением и прикрепленными к нему
> файлами.
> >
> > Attention!
> > This email and all attachments to it are confidential and are intended
> > solely for use by the person (or persons) referred to (mentioned) as
> > the intended recipient (recipients). If you are not the intended
> > recipient of this email, do not copy or disclose its contents and
> > delete the message and any attachments to it from your e-mail system.
> > Any unauthorized use, dissemination, disclosure, printing or copying
> > of this e-mail and files attached to it, except by the intended
> > recipient, is illegal and is prohibited. Taking into account that data
> > transmission via Internet is not secure, we assume no responsibility
> > for any potential damage caused by data transmission errors or this
> message and the files attached to it.
> >
> Внимание!
> Это электронное письмо и все прикрепленные к нему файлы являются
> конфиденциальными и предназначены исключительно для использования лицом
> (лицами), которому (которым) оно предназначено. Если Вы не являетесь лицом
> (лицами), которому (которым) предназначено это письмо, не копируйте и не
> разглашайте его содержимое и удалите это сообщение и все вложения из Вашей
> почтовой системы. Любое несанкционированное использование, распространение,
> раскрытие, печать или копирование этого электронного письма и прикрепленных
> к нему файлов, кроме как лицом (лицами) которому (которым) они
> предназначены, является незаконным и запрещено. Принимая во внимание, что
> передача данных посредством Интернет не является безопасной, мы не несем
> никакой ответственности за любой потенциальный ущерб, причиненный в
> результате ошибок при передаче данных или этим сообщением и прикрепленными
> к нему файлами.
>
> Attention!
> This email and all attachments to it are confidential and are intended
> solely for use by the person (or persons) referred to (mentioned) as the
> intended recipient (recipients). If you are not the intended recipient of
> this email, do not copy or disclose its contents and delete the message and
> any attachments to it from your e-mail system. Any unauthorized use,
> dissemination, disclosure, printing or copying of this e-mail and files
> attached to it, except by the intended recipient, is illegal and is
> prohibited. Taking into account that data transmission via Internet is not
> secure, we assume no responsibility for any potential damage caused by data
> transmission errors or this message and the files attached to it.
>

RE: [!!Mass Mail]Exception : Can not find network: cloudbr0

Posted by Дикевич Евгений Александрович <ev...@becloud.by>.
Mb better combine eno1 and eno4 in bond and then create bridge on this bond:

Smth like this:

cat /etc/sysconfig/network-scripts/ifcfg-eno1
TYPE=Ethernet
BOOTPROTO=none
NAME=eno1
DEVICE=eno1
ONBOOT=yes
MASTER=bond0
SLAVE=yes
NM_CONTROLLED=no

cat /etc/sysconfig/network-scripts/ifcfg-eno2
TYPE=Ethernet
BOOTPROTO=none
NAME=eno2
DEVICE=eno2
ONBOOT=yes
MASTER=bond0
SLAVE=yes
NM_CONTROLLED=no

cat /etc/sysconfig/network-scripts/ifcfg-bond0
NAME=bond0
DEVICE=bond0
NM_CONTROLLED=no
TYPE=Bond
BRIDGE=cloudbr0
ONBOOT=yes
NM_CONTOLLED=no
BONDING_OPTS="mode=802.3ad miimon=100 lacp_rate=fast xmit_hash_policy=layer2+3"

cat /etc/sysconfig/network-scripts/ifcfg-cloudbr0
NAME=cloudbr0
DEVICE=cloudbr0
TYPE=Bridge
ONBOOT=yes
NM_CONTROLLED=no
IPADDR=XXX.XXX.XXX.XXX
PREFIX=YY

Or better read this:

https://www.shapeblue.com/networking-kvm-for-cloudstack-2018-revisit-for-centos7-and-ubuntu-18-04/

-----Original Message-----
From: Bs Serge [mailto:sergebs10@gmail.com]
Sent: Friday, October 15, 2021 12:44 PM
To: users@cloudstack.apache.org
Subject: Re: [!!Mass Mail]Exception : Can not find network: cloudbr0

Yes, I just realized that

On the host both the bridge cloudbr0 and the interface eno1 have the same IP : 192.168.1.10  which is the IP of the host server. the management server IP is 192.168.1.8

I tried to reboot the host but the issue was not resolved

This is my bridge configuration,

cat ifcfg-cloudbr0
DEVICE=cloudbr0
TYPE=Bridge
ONBOOT=yes
BOOTPROTO=none
IPV6INIT=no
IPV6_AUTOCONF=no
DELAY=5
IPADDR=192.168.1.10
GATEWAY=192.168.1.1
NETMASK=255.255.255.0
STP=yes

//-------------------

cat ifcfg-eno1
TYPE="Ethernet"
BOOTPROTO="none"
NAME="eno1"
DEVICE="eno1"
ONBOOT="yes"
BRIDGE=cloudbr0
HOTPLUG=no


//-------------------

cat ifcfg-cloudbr1
DEVICE=cloudbr1
TYPE=Bridge
ONBOOT=yes
BOOTPROTO=none
IPV6INIT=no
IPV6_AUTOCONF=no
DELAY=5
STP=yes

//-----------

cat ifcfg-eno4
TYPE=Ethernet
NAME=eno4
UUID=949aef09-7aee-492f-82c3-969e445b8746
DEVICE=eno4
ONBOOT=yes
HOTPLUG=no
BOOTPROTO=none
BRIDGE=cloudbr1

Thanks for the prompt reply,

Best Regards,


On Fri, Oct 15, 2021 at 11:16 AM Дикевич Евгений Александрович < evgeniy.dikevich@becloud.by> wrote:

> And you have management IP on eno1. Mb U should reboot your host
> first:)
>
> -----Original Message-----
> From: Дикевич Евгений Александрович
> [mailto:evgeniy.dikevich@becloud.by]
> Sent: Friday, October 15, 2021 12:14 PM
> To: users@cloudstack.apache.org
> Subject: RE: [!!Mass Mail]Exception : Can not find network: cloudbr0
>
> Hi
> Your cloudbr0 is in DOWN state. Check your network again
>
> https://ibb.co/rFyh4Zk
>
> -----Original Message-----
> From: Bs Serge [mailto:sergebs10@gmail.com]
> Sent: Friday, October 15, 2021 11:57 AM
> To: users@cloudstack.apache.org
> Subject: [!!Mass Mail]Exception : Can not find network: cloudbr0
>
> Hi, my favourite community,
>
> Cloudstack 4.15.2
> Host KVM
> Centos 8
>
> I'm trying to add a new KVM host to cloudstack and I'm getting this
> exception in the management server that says it can not find a network
> named cloudbr0 on the agent while the bridge network cloudbr0  exists,
>
> Below I shared the output of ifconfig on the agent and both the
> management server and the agent logs
>
> The new host has 4 NICs but only 2 of them are connected.
>
> https://ibb.co/5RGfGZS
> https://ibb.co/rFyh4Zk
>
> Management Logs
> https://ibb.co/KwbpDNb
>
> Agent Logs
> https://ibb.co/TRM8zXR
>
> Any kind of help would be appreciated.
>
> Best Regards,
> Внимание!
> Это электронное письмо и все прикрепленные к нему файлы являются
> конфиденциальными и предназначены исключительно для использования
> лицом (лицами), которому (которым) оно предназначено. Если Вы не
> являетесь лицом (лицами), которому (которым) предназначено это письмо,
> не копируйте и не разглашайте его содержимое и удалите это сообщение и
> все вложения из Вашей почтовой системы. Любое несанкционированное
> использование, распространение, раскрытие, печать или копирование
> этого электронного письма и прикрепленных к нему файлов, кроме как
> лицом (лицами) которому (которым) они предназначены, является
> незаконным и запрещено. Принимая во внимание, что передача данных
> посредством Интернет не является безопасной, мы не несем никакой
> ответственности за любой потенциальный ущерб, причиненный в результате
> ошибок при передаче данных или этим сообщением и прикрепленными к нему файлами.
>
> Attention!
> This email and all attachments to it are confidential and are intended
> solely for use by the person (or persons) referred to (mentioned) as
> the intended recipient (recipients). If you are not the intended
> recipient of this email, do not copy or disclose its contents and
> delete the message and any attachments to it from your e-mail system.
> Any unauthorized use, dissemination, disclosure, printing or copying
> of this e-mail and files attached to it, except by the intended
> recipient, is illegal and is prohibited. Taking into account that data
> transmission via Internet is not secure, we assume no responsibility
> for any potential damage caused by data transmission errors or this message and the files attached to it.
>
Внимание!
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Re: [!!Mass Mail]Exception : Can not find network: cloudbr0

Posted by Bs Serge <se...@gmail.com>.
Yes, I just realized that

On the host both the bridge cloudbr0 and the interface eno1 have the same
IP : 192.168.1.10  which is the IP of the host server. the management
server IP is 192.168.1.8

I tried to reboot the host but the issue was not resolved

This is my bridge configuration,

cat ifcfg-cloudbr0
DEVICE=cloudbr0
TYPE=Bridge
ONBOOT=yes
BOOTPROTO=none
IPV6INIT=no
IPV6_AUTOCONF=no
DELAY=5
IPADDR=192.168.1.10
GATEWAY=192.168.1.1
NETMASK=255.255.255.0
STP=yes

//-------------------

cat ifcfg-eno1
TYPE="Ethernet"
BOOTPROTO="none"
NAME="eno1"
DEVICE="eno1"
ONBOOT="yes"
BRIDGE=cloudbr0
HOTPLUG=no


//-------------------

cat ifcfg-cloudbr1
DEVICE=cloudbr1
TYPE=Bridge
ONBOOT=yes
BOOTPROTO=none
IPV6INIT=no
IPV6_AUTOCONF=no
DELAY=5
STP=yes

//-----------

cat ifcfg-eno4
TYPE=Ethernet
NAME=eno4
UUID=949aef09-7aee-492f-82c3-969e445b8746
DEVICE=eno4
ONBOOT=yes
HOTPLUG=no
BOOTPROTO=none
BRIDGE=cloudbr1

Thanks for the prompt reply,

Best Regards,


On Fri, Oct 15, 2021 at 11:16 AM Дикевич Евгений Александрович <
evgeniy.dikevich@becloud.by> wrote:

> And you have management IP on eno1. Mb U should reboot your host first:)
>
> -----Original Message-----
> From: Дикевич Евгений Александрович [mailto:evgeniy.dikevich@becloud.by]
> Sent: Friday, October 15, 2021 12:14 PM
> To: users@cloudstack.apache.org
> Subject: RE: [!!Mass Mail]Exception : Can not find network: cloudbr0
>
> Hi
> Your cloudbr0 is in DOWN state. Check your network again
>
> https://ibb.co/rFyh4Zk
>
> -----Original Message-----
> From: Bs Serge [mailto:sergebs10@gmail.com]
> Sent: Friday, October 15, 2021 11:57 AM
> To: users@cloudstack.apache.org
> Subject: [!!Mass Mail]Exception : Can not find network: cloudbr0
>
> Hi, my favourite community,
>
> Cloudstack 4.15.2
> Host KVM
> Centos 8
>
> I'm trying to add a new KVM host to cloudstack and I'm getting this
> exception in the management server that says it can not find a network
> named cloudbr0 on the agent while the bridge network cloudbr0  exists,
>
> Below I shared the output of ifconfig on the agent and both the management
> server and the agent logs
>
> The new host has 4 NICs but only 2 of them are connected.
>
> https://ibb.co/5RGfGZS
> https://ibb.co/rFyh4Zk
>
> Management Logs
> https://ibb.co/KwbpDNb
>
> Agent Logs
> https://ibb.co/TRM8zXR
>
> Any kind of help would be appreciated.
>
> Best Regards,
> Внимание!
> Это электронное письмо и все прикрепленные к нему файлы являются
> конфиденциальными и предназначены исключительно для использования лицом
> (лицами), которому (которым) оно предназначено. Если Вы не являетесь лицом
> (лицами), которому (которым) предназначено это письмо, не копируйте и не
> разглашайте его содержимое и удалите это сообщение и все вложения из Вашей
> почтовой системы. Любое несанкционированное использование, распространение,
> раскрытие, печать или копирование этого электронного письма и прикрепленных
> к нему файлов, кроме как лицом (лицами) которому (которым) они
> предназначены, является незаконным и запрещено. Принимая во внимание, что
> передача данных посредством Интернет не является безопасной, мы не несем
> никакой ответственности за любой потенциальный ущерб, причиненный в
> результате ошибок при передаче данных или этим сообщением и прикрепленными
> к нему файлами.
>
> Attention!
> This email and all attachments to it are confidential and are intended
> solely for use by the person (or persons) referred to (mentioned) as the
> intended recipient (recipients). If you are not the intended recipient of
> this email, do not copy or disclose its contents and delete the message and
> any attachments to it from your e-mail system. Any unauthorized use,
> dissemination, disclosure, printing or copying of this e-mail and files
> attached to it, except by the intended recipient, is illegal and is
> prohibited. Taking into account that data transmission via Internet is not
> secure, we assume no responsibility for any potential damage caused by data
> transmission errors or this message and the files attached to it.
>

RE: [!!Mass Mail]Exception : Can not find network: cloudbr0

Posted by Дикевич Евгений Александрович <ev...@becloud.by>.
And you have management IP on eno1. Mb U should reboot your host first:)

-----Original Message-----
From: Дикевич Евгений Александрович [mailto:evgeniy.dikevich@becloud.by] 
Sent: Friday, October 15, 2021 12:14 PM
To: users@cloudstack.apache.org
Subject: RE: [!!Mass Mail]Exception : Can not find network: cloudbr0

Hi
Your cloudbr0 is in DOWN state. Check your network again

https://ibb.co/rFyh4Zk

-----Original Message-----
From: Bs Serge [mailto:sergebs10@gmail.com]
Sent: Friday, October 15, 2021 11:57 AM
To: users@cloudstack.apache.org
Subject: [!!Mass Mail]Exception : Can not find network: cloudbr0

Hi, my favourite community,

Cloudstack 4.15.2
Host KVM
Centos 8

I'm trying to add a new KVM host to cloudstack and I'm getting this exception in the management server that says it can not find a network named cloudbr0 on the agent while the bridge network cloudbr0  exists,

Below I shared the output of ifconfig on the agent and both the management server and the agent logs

The new host has 4 NICs but only 2 of them are connected.

https://ibb.co/5RGfGZS
https://ibb.co/rFyh4Zk

Management Logs
https://ibb.co/KwbpDNb

Agent Logs
https://ibb.co/TRM8zXR

Any kind of help would be appreciated.

Best Regards,
Внимание!
Это электронное письмо и все прикрепленные к нему файлы являются конфиденциальными и предназначены исключительно для использования лицом (лицами), которому (которым) оно предназначено. Если Вы не являетесь лицом (лицами), которому (которым) предназначено это письмо, не копируйте и не разглашайте его содержимое и удалите это сообщение и все вложения из Вашей почтовой системы. Любое несанкционированное использование, распространение, раскрытие, печать или копирование этого электронного письма и прикрепленных к нему файлов, кроме как лицом (лицами) которому (которым) они предназначены, является незаконным и запрещено. Принимая во внимание, что передача данных посредством Интернет не является безопасной, мы не несем никакой ответственности за любой потенциальный ущерб, причиненный в результате ошибок при передаче данных или этим сообщением и прикрепленными к нему файлами.

Attention!
This email and all attachments to it are confidential and are intended solely for use by the person (or persons) referred to (mentioned) as the intended recipient (recipients). If you are not the intended recipient of this email, do not copy or disclose its contents and delete the message and any attachments to it from your e-mail system. Any unauthorized use, dissemination, disclosure, printing or copying of this e-mail and files attached to it, except by the intended recipient, is illegal and is prohibited. Taking into account that data transmission via Internet is not secure, we assume no responsibility for any potential damage caused by data transmission errors or this message and the files attached to it.