[prev in list] [next in list] [prev in thread] [next in thread] 

List:       npaci-rocks-discussion
Subject:    Re: [Rocks-Discuss]flip-flopping ip address on head node
From:       Cooper Bethea <cooper.bethea () duke ! edu>
Date:       2003-11-20 19:51:15
Message-ID: 1069357875.6017.70.camel () localhost ! localdomain
[Download RAW message or body]


On Thu, 2003-11-20 at 14:37, Tim Carlson wrote:
> Did you actually reboot the machine after this change? Or did you just
> ifdown/ifup the interfaces? I can see where iptables might bind itself to
> one of the devices and you could see odd behavior.

i suspected iptables as well, so i turned it off, and the problem
persists.

[root@frontend-0 root]# service iptables status
Firewall is stopped.

> On a side note, what does /etc/hosts look like?

[root@frontend-0 root]# cat /etc/hosts
#
# Do NOT Edit (generated by dbreport)
#
127.0.0.1       frontend-0.public       localhost
10.1.1.1        frontend-0.local frontend-0 # warning: should be
frontend-0-0

--
maybe the #warning?

> 
> Tim
> 
> > i've been working on configuration for a rocks 3.0.0 frontend. after
> > install, i went into modules.conf and flipped eth1/eth0, because i
> > wanted the machine's gigabit card to face the internal network. here are
> > the lines i have now in /etc/modules.conf:
> > alias eth1 3c59x
> > alias eth0 ns83820
> >
> > both cards are apparently working fine, except arpwatch reports they
> > keep flipping ips briefly every few hours(cut below).
> >
> > are there additional configuration changes to be made?
> > thanks.
> >
> > --arpwatch below--
> >
> >             hostname: genie-2.isds.duke.edu
> >           ip address: 152.3.22.172
> >     ethernet address: 0:4:e2:1a:d5:11
> >      ethernet vendor: SMC Networks, Inc.
> > old ethernet address: 0:e0:81:26:36:da
> >  old ethernet vendor: TYAN COMPUTER CORP.
> >            timestamp: Thursday, November 20, 2003 13:05:59 -0500
> >   previous timestamp: Wednesday, November 19, 2003 22:14:17 -0500
> >                delta: 14 hours
> >
> >             hostname: genie-2.isds.duke.edu
> >           ip address: 152.3.22.172
> >     ethernet address: 0:e0:81:26:36:da
> >      ethernet vendor: TYAN COMPUTER CORP.
> > old ethernet address: 0:4:e2:1a:d5:11
> >  old ethernet vendor: SMC Networks, Inc.
> >            timestamp: Thursday, November 20, 2003 13:05:59 -0500
> >   previous timestamp: Thursday, November 20, 2003 13:05:59 -0500
> >                delta: 0 seconds
> >
> 
> 

["signature.asc" (application/pgp-signature)]

[prev in list] [next in list] [prev in thread] [next in thread]