> Le 25 juil. 2018 à 13:42, Edward Haas <eh...@redhat.com> a écrit :
>
>
>
> On Tue, Jul 24, 2018 at 1:08 PM, Fabrice Bacchella
> <fabrice.bacche...@orange.fr <mailto:fabrice.bacche...@orange.fr>> wrote:
>
>
>> Le 24 juil. 2018 à 11:50, Dominik Holler <dhol...@redhat.com
>> <mailto:dhol...@redhat.com>> a écrit :
>>
>> On Tue, 24 Jul 2018 11:04:58 +0200
>> Fabrice Bacchella <fabrice.bacche...@orange.fr
>> <mailto:fabrice.bacche...@orange.fr>> wrote:
>>
>>> To monitoring the network interfaces, I have a script that check if
>>> ifAdminStatus and ifOperStatus values matches in snmp.
>>>
>>> But with oVirt it fails on a server with 4 physical interfaces, but
>>> only two connected, and return an error:
>>>
>>
>> You want that eth0 and eth1 are UP, and eth2 and eth3 are DOWN?
>
> Yes.
>
>>
>>> snmptable XXX IF-MIB::ifTable | less
>>> SNMP table: IF-MIB::ifTable
>>>
>>> ifIndex ifDescr ifAdminStatus ifOperStatus
>>> 1 lo up up
>>> 2 eth0 up up
>>> 3 eth1 up up
>>> 4 eth2 up down
>>> 5 eth3 up down
>>> 24 ;vdsmdummy; down down
>>> 25 vnet0 up up
>>>
>>>
>>> And indeed on the server:
>>>
>>> ip link show eth2
>>> 4: eth2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state
>>> DOWN mode DEFAULT group default qlen 1000 link/ether
>>> 40:a8:f0:30:81:1a brd ff:ff:ff:ff:ff:ff
>>>
>>
>> looks like eth2 is DOWN, as expected.
>
> It's in state DOWN, but marked UP anyway.
>
> A really DOWN interface is shown as (on another server, not an ovirt host):
>
> 4: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT
> group default qlen 1000
> link/ether a0:d3:c1:fa:8c:8a brd ff:ff:ff:ff:ff:ff
>
>
>>
>> eth2 seems to be in state DOWN, which seems to be reflected in
>> ifOperStatus.
>
> Yes it match. The state is reflected in the ifOperStatus. The ifAdminStatus
> match the UP in the <...>
>
>>
>> Is the issue that ifAdminStatus is up for eth2 and eth3, but you want
>> it to be down?
>
> That's it. I never ask it to be in such state.
>
>
> If eth2 and eth3 are not defined under oVirt control, I see no reason for the
> system to touch it.
> Perhaps, you machine has these interfaces under NetworkManager control (you
> can do "nmcli device" to check it),
> in that case, NM will keep the admin state up and monitor it.
> If you want it down, mark the interfaces as unmanaged (by NM) and perform an
> ifdown on them.
>
> Let us know if it helped.
>
I added:
diff --git a/NetworkManager/NetworkManager.conf
b/NetworkManager/NetworkManager.conf
index 1979ea6..420aba5 100644
--- a/NetworkManager/NetworkManager.conf
+++ b/NetworkManager/NetworkManager.conf
@@ -48,3 +48,5 @@
#
#level=TRACE
#domains=ALL
+[keyfile]
+unmanaged-devices=eth2;eth3
And indeed it solves my problem with no unwanted side effects.
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