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Operating Systems AIX AIX - NIC device explanation need Post 303035174 by Phat on Thursday 16th of May 2019 01:18:56 AM
Old 05-16-2019
Hi,

Quote:
Likely you are seeing an IP alias, that's why you have two ip's on the same adapter.

Now, as to two adapters with same IP, one could be disconnected at the physical layer.
**EDIT again. You can assign an IP to the ETherChannel adapter, and then the parent adapter. But its not a good way to go about it. That actually looks like what is happening here. Or someone tried to remove a backup adapter from the EtherChannel and gave it the IP.
How can I see where the alias IP is configured?

Quote:
To be honest, I'm not even sure where to begin with cleaning this up, or how far you want to go.
I can go very far Smilie

Could you shed some light on the parent Ether and child Ether?

And also with this, et is not used for IP address?
Quote:
et is used for IEE 802.3
--- Post updated at 05:18 AM ---

Hello,

After cleaning up, it's birghter Smilie
Code:
[root@xxx] / > lsdev -Cc adapter | grep en
ent4 Available       Virtual I/O Ethernet Adapter (l-lan)
ent6 Available       Virtual I/O Ethernet Adapter (l-lan)

[root@xxx] / > lsdev -C -H -F "name status physloc location description" | grep en
en4          Available                                                                            Standard Ethernet Network Interface
en6          Available                                                                            Standard Ethernet Network Interface
ent4         Available U9117.MMD.06528F7-V13-C2-T1                                                Virtual I/O Ethernet Adapter (l-lan)
ent6         Available U9117.MMD.06528F7-V13-C3-T1                                                Virtual I/O Ethernet Adapter (l-lan)
inet0        Available                                                                            Internet Network Extension
rcm0         Defined                                                                              Rendering Context Manager Subsystem
[root@xxx] / > ifconfig -a
en4: flags=1e080863,480<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST,GROUPRT,64BIT,CHECKSUM_OFFLOAD(ACTIVE),CHAIN>
        inet 10.176.x.127 netmask 0xffffff00 broadcast xxx
         tcp_sendspace 262144 tcp_recvspace 262144 rfc1323 1
en6: flags=1e080863,480<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST,GROUPRT,64BIT,CHECKSUM_OFFLOAD(ACTIVE),CHAIN>
        inet 10.176.x.65 netmask 0xfffff800 broadcast xxx
        inet 10.176.x.127 netmask 0xfffff800 broadcast xxx
         tcp_sendspace 262144 tcp_recvspace 262144 rfc1323 1
lo0: flags=e08084b,c0<UP,BROADCAST,LOOPBACK,RUNNING,SIMPLEX,MULTICAST,GROUPRT,64BIT,LARGESEND,CHAIN>
        inet 127.0.0.1 netmask 0xff000000 broadcast xxx
        inet6 ::1%1/0
         tcp_sendspace 131072 tcp_recvspace 131072 rfc1323 1

But I not yet find out where the alias IP (either 10.176.x.65 or 10.176.x.127) is configured.
 

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MC(4)							   BSD Kernel Interfaces Manual 						     MC(4)

NAME
mc -- Ethernet driver for Am79C940 (MACE) onboard Ethernet SYNOPSIS
mc* at obio? DESCRIPTION
The mc interface provides access to a 10 Mb/s Ethernet network via the AMD Am79C940 (MACE) Ethernet chip set. HARDWARE
The mc interface supports the on-board Ethernet of the following mac68k machines: - Centris 660AV - Quadra 660AV - Quadra 840AV The mc interface supports the on-board Ethernet of the following macppc machines: - Apple Network Server (500 and 700) - Apple Power Macintosh (7300, 7500, 7600, 8500, 8600, 9500, and 9600) - Power Computing (PowerCenter, PowerCenter Pro, PowerCurve, PowerTower, PowerTower Pro, and PowerWave) DIAGNOSTICS
mc0 at obio0: address %s. This is a normal autoconfiguration message noting the 6 byte physical Ethernet address of the adapter. SEE ALSO
mac68k/ae(4), mac68k/bm(4), gem(4), sn(4), tlp(4), ifconfig(8) HISTORY
The mc interface first appeared in NetBSD 1.3. AUTHORS
The mc Ethernet driver was written by Dave Huang <khym@bga.com>. The man page was written by Thomas Klausner <wiz@NetBSD.org> and Michael Wolfson <mbw@NetBSD.org>. BSD
December 13, 1997 BSD
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