SUMMARY: Sunfire 480 network problem

From: Eriksson (London), Christer <>
Date: Thu Apr 24 2003 - 11:09:22 EDT

Ian Pease And  David B Harrington

For that fast answers

I could confirm that it's was a network problem 
As it was a other SUN server on the same network lost it's connections as
well but it didn't 
Write anything about it in /var/adm/messages 

But as we all now the network managers couldn't see anything that's was
wrong and denied it
It was any problem as usual 

Cheers Christer  


I had the same thing a while ago. There are some notes in the archives,
including my problem statements. 

I never posted a summary (my BAD!). The issue turned out to be a bad port on
the switch!! (which My network folks denied the possibility of this, but
push them to check it out.

Dave H 

I have found this is a Network Switch issue every time
it happens here.....

-----Original Message-----
From: Eriksson (London), Christer [] 
Sent: 24 April 2003 15:20
To: ''
Subject: Sunfire 480 network problem

Hi gurus 
I just was getting a very strange problem one of our production servers
it kicked out everybody and complaind about someone was taking over it's ip 
lon014:root> tail  /var/adm/messages
Apr 24 14:49:40 lon014 ip: [ID 903730 kern.warning] WARNING: IP: Hardware
addres s '00:03:ba:24:08:45' trying to be our address! Apr
24 14:51:16 lon014 last message repeated 110670 times Apr 24 14:51:16 lon014
ip: [ID 903730 kern.warning] WARNING: IP: Hardware addres s
'00:03:ba:24:08:45' trying to be our address! Apr 24
14:54:11 lon014 last message repeated 381486 times
lon014:root> ifconfig -a
lo0: flags=1000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4> mtu 8232 index 1
        inet netmask ff000000 
ce0: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
        inet netmask fffffff0 broadcast
        ether 0:3:ba:24:8:45
lon014:root> uname -a 
SunOS lon014 5.8 Generic_108528-17 sun4u sparc SUNW,Sun-Fire-480R
and the strange thing is that it complaining over  it's own mac address
anyone  that got clues
Regards Christer 
Christer Eriksson   
SEB London  
2 Cannon Street, London. EC4M 6XX 
tel:    +44 20 7246 4479 
fax:    +44 20 7489 1684
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Received on Thu Apr 24 11:16:18 2003

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