Hi, On Wed, May 25, 2022 at 8:21 AM tommy <sz_cui...@163.com> wrote:
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group > default qlen 1000 > link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 > inet 127.0.0.1/8 scope host lo > valid_lft forever preferred_lft forever > inet6 ::1/128 scope host > valid_lft forever preferred_lft forever > 2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel > master ovirtmgmt state UP group default qlen 1000 > link/ether 08:00:27:94:4d:e8 brd ff:ff:ff:ff:ff:ff > 3: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group > default qlen 1000 > link/ether 9e:5d:8f:94:00:86 brd ff:ff:ff:ff:ff:ff > This is an interface that is installed by openvswitch. AFAIK it shouldn't be used anymore and is there for historical reasons. > 4: br-int: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state > UNKNOWN group default qlen 1000 > link/ether ea:20:e5:c3:d6:31 brd ff:ff:ff:ff:ff:ff > This is OVNs integration bridge, it is used for all traffic that is defined through ovirt-provider-ovn. > 5: ovirtmgmt: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue > state UP group default qlen 1000 > link/ether 08:00:27:94:4d:e8 brd ff:ff:ff:ff:ff:ff > inet 10.1.1.7/24 brd 10.1.1.255 scope global noprefixroute ovirtmgmt > Management bridge for oVirt. Depending on the network roles it might be the only network and that will be passing all oVirt and host related traffic. > valid_lft forever preferred_lft forever > 21: ip_vti0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN group default > qlen 1000 > link/ipip 0.0.0.0 brd 0.0.0.0 > IPSec virtual interface. Created by libreswan. > 22: ;vdsmdummy;: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN > group default qlen 1000 > link/ether 1e:cb:bf:02:f7:33 brd ff:ff:ff:ff:ff:ff > Bridge created by oVirt, it is used for VMs that do not have any interface assigned. > > > what use of the 3/4/5/21/22 ? ( I know the item 5 ) > are they all the bridge ? > Not all of them are bridges, and also brctl will show only linux bridges. For example br-int is an OvS bridge. > > The out put of the brctl show appears only the ovirtmgmt and ;vdsmdummy' > are bridge. > [root@host1 ~]# brctl show > bridge name bridge id STP enabled interfaces > ;vdsmdummy; 8000.000000000000 no > ovirtmgmt 8000.080027944de8 no enp0s3 > [root@host1 ~]# > > > Let us know if you have any further questions. Regards, Ales > > > > > > > > > > > > ------------------------------ > _______________________________________________ > Users mailing list -- users@ovirt.org > To unsubscribe send an email to users-le...@ovirt.org > Privacy Statement: https://www.ovirt.org/privacy-policy.html > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/56MHW44NW6TSPHLXOYQUJOWYB4ULXY5I/ > -- Ales Musil Senior Software Engineer - RHV Network Red Hat EMEA <https://www.redhat.com> amu...@redhat.com IM: amusil <https://red.ht/sig>
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