Duplicate IP After reboot


 
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Operating Systems AIX Duplicate IP After reboot
# 1  
Old 03-26-2008
Duplicate IP After reboot

Hi All
I recived the following error, after a reboot on a 550
anyone know where I should start:

LABEL: AIXIF_ARP_DUP_ADDR
IDENTIFIER: FE2DEE00

Date/Time: Wed Mar 26 19:27:44 USAST 2008
Sequence Number: 100231
Machine Id: 00C9D08A4C00
Node Id: welsdx05
Class: S
Type: PERM
Resource Name: SYSXAIXIF

Description
DUPLICATE IP ADDRESS DETECTED IN THE NET

Failure Causes
ARP RESPONSE RECEIVED FOR MY IP ADDRESS

Recommended Actions
CONTACT NETWORK ADMINISTRATOR

Detail Data
DUPLICATE IP ADDRESS
3523 0384
MAC ADDRESS
0014 5E1A 35A2

I ran a netstat -ai

# netstat -ia
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
en6 1500 link#2 0.11.25.a6.7f.cc 166490 0 222132 4 0
01:00:5e:00:00:01
en6 1500 53.35.3 scendp01 166490 0 222132 4 0
224.0.0.1
en7 1500 link#3 0.11.25.a6.7f.cd 189725 0 80199 3 0
01:00:5e:00:00:01
en7 1500 53.35.3 welsdx05.zarsa.co 189725 0 80199 3 0
224.0.0.1
lo0 16896 link#1 62232 0 62241 0 0
lo0 16896 127 localhost 62232 0 62241 0 0
224.0.0.1
lo0 16896 ::1 62232 0 62241 0 0
ff01::1
ff02::1:ff00:1
ff02::1
# 2  
Old 03-26-2008
The mac address in the error is an IBM supplied adapter mac address - not much help if you are an IBM house - you can look up the mac address manufacturer here:
MAC Address Decoder by Stefan Frei

The conflicting address is 53.35.3.132, in the errpt the address is displayed in hex, hex 35.23.03.84 = decimal 53.35.3.132.

You could try shutting down your machine, or taking down the affected adapter, then try to ping the address and try tools like nslookup to try and resolve it to a hostname.

Or go and see your network admin and let them find the other machine.
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