Hi,

I want to confirm the following point.
 
[Precondition]
・ Syslog-ng server starts with two NICs(IPAddress A, IPAddress B), and it is configurated to received syslog-message with two IPAddress.
・ One client sends syslog-message to IPAddress A, and the other sends to IPAddress B.
 
[Point]
I want to change network-config(IPAddress A → C) without stopping syslog-ng service and no influence to client which sends to IPAddress B.
 
Thanks
hiro

> Date: Fri, 16 Nov 2007 07:29:09 +0000
> From: Sandor.Geller@morganstanley.com
> To: syslog-ng@lists.balabit.hu
> Subject: Re: [syslog-ng] Is there any problems when network config is changed?
>
> Hi,
>
> > Hi,
> >
> > Is there any problems when following occurs?
> >
> > [Precondition]
> > Syslog-ng starts with a config about A-ADDRESS(IP ADDRESS).
>
> Don't specify IP address if you don't have to.
>
> > [Question]
> > 1. Down NIC(A-ADDRESS) with ifdown. → Is there any problems?
>
> Other than the host syslog-ng is running on won't get the network
> traffic ?
>
> > 2. Change IP-ADDRES from A to B. → Is there any problems?
>
> Nothing other than the above, as at this point you're not doing any
> change to the system as the NIC is still down.
>
> > 3. UP NIC(B-ADDRESS) with ifup → Is there any problems?
> >
> > I know that syslog-ng can't start after 3.
>
> Of course it can't start because no program can bind to IP addresses
> not owned by the host the program is running on.
>
> What do you want to achieve? Please clarify your question.
>
> Sandor
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