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Re: client cant connect to master load balancer at the 1st time but fine

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: client cant connect to master load balancer at the 1st time but fine next try
From: Bradley McLean <bradlist@xxxxxxxxx>
Date: Wed, 13 Mar 2002 13:16:50 -0500
You don't by chance have any firewalls between client and LVS, do you?

With any NAT?


* temp990hk@xxxxxxxxxxxx (temp990hk@xxxxxxxxxxxx) [020312 19:24]:
> refer to fail exp using ipvs 1.0.0 w/ linux 2.4.18, i must say sorry to who 
> is concerned.
> it is NOT the ipvs 1.0.0 problem
> 
> even i use ipvs 0.8.2, i found that the case that the client still got such 
> problem.
> 
> here is the description:
> 
> be4 i try to connect the VIP of the server, i 1st try to connect its real ip, 
> all real servers works w/ no problem.
> and then i c the arp cache of client, no corresponding cache to the VIP, it's 
> normal as i hv never connect using that VIP.
> 
> 1st time connect, the browsers (i use both IE and netscape) said:
>  "cannot find server" (IE) and 
>  "A network error occurred while Netscape was sending data. (Network Error: 
> Connection reset by peer) Try connecting again" (netscape) immediately 
> WITHOUT timeout.
> 
> i check the client's arp cache, there is the VIP cache record now and i will 
> be success if i try connect again.
> 
> if i make clear the browser cache and delete the arp cache(or wait the cache 
> timeout), the situation will occur again.
> 
> anyone has this problem be4 and what 's ur solution.....i am tired in trying 
> solving this.....still no progress.
> 
> Thanks v v much
> 
> TK
> -- 
> 
> 
> 
> 
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