Hi Neil,
Thanks for your comments. What's the purpose of creating spurious ‘bond0’?
It's confusing. Is it anywhere documented?
Every time I restart NetworkManager it creates another bond0!
Joe
On Thu, Jul 7, 2016 at 5:44 PM, Digimer <lists@xxxxxxxxxx> wrote:
> On 07/07/16 05:36 PM, Digimer wrote:
> > On 07/07/16 05:21 PM, Joe Smithian wrote:
> >> Hi All,
> >>
> >> I see an unexpected beahviour from NetworkManager on CentOS 7.1.
> >> Using nmcli tool, I create a bond with two slaves as explained in the
> Red
> >> Hat 7.1 Networking guide. I enable slaves and master; bond works as
> >> expected.
> >> When I restart NetworkManager, it creates a new bond with the same name
> but
> >> not connected to any device. Two bonds with the same name is confusing
> for
> >> my other monitoring scripts.
> >> I'm wondering why a second bond is created? Is it a bug in
> NetworkManger?
> >>
> >>
> >> #Create a bond with two slaves
> >> nmcli con add autoconnect no type bond con-name bond0 ifname bond0
> >> nmcli con mod bond0 ipv6.method ignore ipv4.method manual
> ipv4.addresses
> >> ${BOND_IP}/${BOND_CIDR} ${BOND_GW} ${BOND_DNS} ${BOND_DNS_SEARCH}
> >> ipv4.never-default no ipv4.ignore-auto-dns no
> >> nmcli con add autoconnect no type bond-slave con-name bond-slave-eth0
> >> ifname eth0 master bond0
> >> nmcli con add autoconnect no type bond-slave con-name bond-slave-eth1
> >> ifname eth1 master bond0
> >>
> >> #Enable bond
> >> nmcli con mod bond-slave-eth0 connection.autoconnect yes
> >> nmcli con up bond-slave-eth0
> >>
> >> nmcli con mod bond-slave-eth1 connection.autoconnect yes
> >> nmcli con up bond-slave-eth1
> >>
> >> nmcli con mod bond0 connection.autoconnect yes
> >> nmcli con up bond0
> >>
> >> systemctl restart NetworkManager
> >> systemctl restart iptables
> >>
> >> nmcli con | grep bond
> >> bond0 9942bdc6-df72-4723-b2ed-47a78e3a5c59 bond
> bond0
> >> bond-slave-eth0 8b0fbbe1-a7f0-448c-8005-46d11599f57a 802-3-ethernet
> eth0
> >> bond-slave-eth1 333dd1b9-15a4-4119-8e42-55ac3621a85d 802-3-ethernet
> eth1
> >> *bond0 460dd9e8-bc0b-473e-9c89-41facda98b66 bond
> >> -- # Why this extra bond connections has been created?*
> >>
> >>
> >> I'd appreciate your comments and suggestions to fix the issue.
> >>
> >>
> >> Thanks,
> >>
> >> Joe
> >
> > To this day, on EL6, creating bonds always generates a spurious 'bond0'
> > interface with no slaved interfaces. It was reported to red hat bugzilla
> > ages ago but the issue was closed without resolution (sorry, I've been
> > looking for the rhbz# but haven't found it yet).
> >
> > digimer
>
> Found it:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1245440
>
> ====
> Neil Horman 2015-07-22 14:30:57 EDT
>
> inserting the bonding module always creates the first bond interface,
> thats always how its been, and isn't a bug.
>
> Status: NEW → CLOSED
> Resolution: --- → NOTABUG
> Last Closed: 2015-07-22 14:30:57
> ====
>
> digimer
>
> --
> Digimer
> Papers and Projects: https://alteeve.ca/w/
> What if the cure for cancer is trapped in the mind of a person without
> access to education?
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