Hi Emilio,
Im using latest d/l 302, installed as a vm. When I setup an L4 farm with
DNAT enabled the farm does not respond, as soon as I change from DNAT to NAT
it immediately responds. Is there some suggestions you can give me in this
case?
Regards,
Grant
From: Emilio Campos <[email protected]>
Reply-To: <[email protected]>
Date: Tuesday, 9 July, 2013 10:31 PM
To: "[email protected]"
<[email protected]>
Subject: Re: [Zenloadbalancer-support] help
Hi
The only possible solution for your infraestructure with zen is to configure
a L4 farm with DNAT enabled, it implies your backends have to configure the
lb as the gw.
If you can't modify the gw for backends try with a static route in your
backends.
Regards
2013/7/9 Deepak Prusty <[email protected]>
> Hey Martin,
>
> I tried l4xnat option, it works. But I am not getting client ip addresses in
> my backend proxy servers I can only see the LB vip. I checked with both NAT
> and DNAT options, but I get only LB vip in the backend proxy servers. I was
> going through some of blogs, someone suggested making LB ip as default gateway
> for the real servers. If this is the only way to get the client IP in my real
> proxy servers, I think it would not work for me. Because, my backed servers
> are internet browsing proxy servers with single NIC and has to connect to
> internet using internet router as default gateway. Can you suggest me any
> better way to fix this?
>
> Thanks,
> Deepak.
>
>
> Date: Sun, 7 Jul 2013 20:32:09 +0200
>
> From: [email protected]
> To: [email protected]
> Subject: Re: [Zenloadbalancer-support] help
>
>
> Hi
>
> A tcp farm works similar to L4TXNAT farm with nat option.
>
> It has to work for you without change anything if tcp farm worked for you
>
> El 07/07/2013 20:23, "Deepak Prusty" <[email protected]> escribió:
>> Hi Martin,
>>
>> Please help me configuring if at all anything required to be configured in
>> proxy or browser. However, the same proxy and browser configuration works
>> perfectly fine with a TCP farm. As you know and as suggested by Nevola, since
>> tcp-farm is not able to handle the load and hence I am trying to load balance
>> my proxy servers using different available options. Is this a workable
>> solution, (I mean is this possible with http or L4 farm)? I think, I should
>> not be doing any change either in my proxy or client side browser, it should
>> work as it is working with a tcp-farm.
>>
>> Thanks,
>> Deepak.
>>
>>
>> Date: Sun, 7 Jul 2013 18:06:21 +0200
>> From: [email protected]
>> To: [email protected]
>> Subject: Re: [Zenloadbalancer-support] help
>>
>>
>> Hi Prusty. L4 farm with DNAT enabled is your optimized configuration. If you
>> have problems with https conns pleache check your proxy or browser
>> configuration.
>>
>> Regards
>>
>> El 07/07/2013 17:54, "Deepak Prusty" <[email protected]> escribió:
>>> Hi Nevola,
>>>
>>> I tried using a HTTP farm as well as a L4 farm to load balance by proxy
>>> servers. In both the cases, I can browse all http websites using the http
>>> farm or L4 farm VIP as proxy IP. But problem is that neither http farm nor
>>> L4 farm works when I browse a secure website (HTTPS). i.e. None of the
>>> banking online site nor even facebook works. Need your guidance please.
>>>
>>> Thanks,
>>> Deepak.
>>>
>>>
>>> From: [email protected]
>>> To: [email protected]
>>> Subject: RE: [Zenloadbalancer-support] help
>>> Date: Sat, 6 Jul 2013 00:13:09 +0530
>>>
>>> Thanks for replying, m certainly going to try that out and check the
>>> performance.
>>>
>>> But, I am still wondering why pen-process is unable to utilize already
>>> available vCPUs.
>>>
>>> Thanks,
>>>
>>>
>>> Date: Fri, 5 Jul 2013 20:37:17 +0200
>>> From: [email protected]
>>> To: [email protected]
>>> Subject: Re: [Zenloadbalancer-support] help
>>>
>>> Hi Deepak, continuing with our conversation, for your configuration you've
>>> to setup a http farm which has already applied the Xforwarder-for header and
>>> for equal sharing you've to configure the same weight for every backend.
>>> This kind of farm provides much more performance than the TCP one for HTTP
>>> transactions.
>>>
>>> Regards.
>>>
>>>
>>> On Fri, Jul 5, 2013 at 7:25 PM, Deepak Prusty <[email protected]>
>>> wrote:
>>>> Hey Zen LB Masters, I need urgent help
>>>>
>>>> I am evaluating Zen-LB (open source). I have installed the cluster on 2
>>>> VMs (vmware platform) using the latest iso-v3.02. I am using it to load
>>>> balance my 8 proxy servers. When the total number of sessions gone high
>>>> (around 8000), the LB drastically slowed down. I found that the CPU is
>>>> choking at 100%, memory utilization not even touched 10%. On further
>>>> investigation I found that the vmware console is showing CPU utilization
>>>> only 30% for this VM but when i checked inside the VM using top command the
>>>> 'pen process' is consuming as high as 100% cpu. I am using a 4-vCPU,
>>>> 4GB-RAM VM and VMware tool also installed in it. I have checked by shifting
>>>> the load to other node in the Zen-cluster but no improvement. Am I missing
>>>> something in configuration? How do I solve this problem?
>>>>
>>>> When I investigated further found that, the 'pen' process is using only one
>>>> vCPU (out of 4) and utilizing it 100% hence becoming unresponsive within
>>>> few minutes. How do I resolve this issue?
>>>>
>>>> I need to load balance 8 proxies with 'equal load sharing' and also want
>>>> X-forwarded-for options to get the real client IP in proxy for logging and
>>>> auditing purpose.
>>>> Need urgent help please. -- Thanks in advance.
>>>> -Deeps.
>>>>
>>>>
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>>>
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