Hi Shine,
That seems to work perfectly. Thanks!
[root@penguin1 ~]# ifconfig idrac
idrac: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 169.254.0.2 netmask 255.255.255.0 broadcast 169.254.0.255
inet6 fde1:53ba:e9a0:de11:3648:edff:fee7:5fcb prefixlen 64 scopeid
0x0<global>
inet6 fe80::3648:edff:fee7:5fcb prefixlen 64 scopeid 0x20<link>
ether 34:48:ed:e7:5f:cb txqueuelen 1000 (Ethernet)
RX packets 71 bytes 7882 (7.6 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 20 bytes 2150 (2.0 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[root@penguin1 ~]# racadm set idrac.os-bmc.UsbNicULA ::
[Key=idrac.Embedded.1#OS-BMC.1]
Object value modified successfully
[root@penguin1 ~]# ifconfig idrac
idrac: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 169.254.0.2 netmask 255.255.255.0 broadcast 169.254.0.255
inet6 fde1:53ba:e9a0:de11:3648:edff:fee7:5fcb prefixlen 64 scopeid
0x0<global>
inet6 fe80::3648:edff:fee7:5fcb prefixlen 64 scopeid 0x20<link>
ether 34:48:ed:e7:5f:cb txqueuelen 1000 (Ethernet)
RX packets 139 bytes 23674 (23.1 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 75 bytes 14459 (14.1 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[root@penguin1 ~]# nmcli device reapply idrac
Connection successfully reapplied to device 'idrac'.
[root@penguin1 ~]# ifconfig idrac
idrac: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 169.254.0.2 netmask 255.255.255.0 broadcast 169.254.0.255
ether 34:48:ed:e7:5f:cb txqueuelen 1000 (Ethernet)
RX packets 223 bytes 40831 (39.8 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 172 bytes 29548 (28.8 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
Cheers,
Onno
Op 09-06-2021 15:08 heeft KA, Shine <[email protected]> geschreven:
This interface virtual USB network interface used for OS to iDRAC
Pass-through feature. Please refer below link for more details.
https://www.dell.com/support/manuals/en-us/idrac9-lifecycle-controller-v4.x-series/idrac9_4.00.00.00_ug_new/enabling-or-disabling-os-to-idrac-pass-through?guid=guid-25fc6820-9a01-4739-87c3-d2036b9adf80&lang=en-us
If you do not want IPv6 on this interface you can run Racadm command
"racadm set idrac.os-bmc.UsbNicULA ::" to disable IPv6 address on this
interface. Once you run this command you need to disable and enable the
interface to apply the changes.
Thanks & Regards
Shine KA
-----Original Message-----
From: Linux-PowerEdge <[email protected]> On Behalf Of Onno
Zweers
Sent: Wednesday, June 9, 2021 6:06 PM
To: [email protected]
Subject: [Linux-PowerEdge] How to kill idrac addresses
fde1:53ba:e9a0:de11:* ?
Hi everyone,
With our new iDrac9 poweredges we notice that Centos 8 lists a specific
IPv6 address for the iDrac.
[root@penguin1 ~]# ifconfig idrac
idrac: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 169.254.0.2 netmask 255.255.255.0 broadcast 169.254.0.255
inet6 fde1:53ba:e9a0:de11:3648:edff:fee7:5fcb prefixlen 64
scopeid 0x0<global>
ether 34:48:ed:e7:5f:cb txqueuelen 1000 (Ethernet)
RX packets 717841 bytes 52346458 (49.9 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 940803 bytes 77477775 (73.8 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
As the forth segment is “de11”, I assume it’s a Dell specific thing.
The problem is that we have an application that gets confused by this and
thinks it can use this address for normal traffic (as it is not private IP
space).
I’ve been trying to turn the address off, but have not been very
successful. In the iDrac web interface I can’t see this address anywhere, and
the IPv6 setting for iDrac is disabled. In the OS, I can remove the IPv6
address like this:
nmcli dev mod idrac ipv6.method ignore ; nmcli device reapply idrac
But after a few minutes it returns.
Does anyone know where this address comes from, and how to turn it off
reliably?
Kind regards,
Onno
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