Hi Emilio,
Definitely DNAT Is the solution but I still feel we can not achieve
redundancy at ISP level? Can we?
I mean since LB can not directly exposed to Internet and has to be behind
firewall we will have to use Private IP address range for we can have our
own pool registered from ISP and use those IPs?
Now if we use private IP address we can Load balance at Intranet level and
ISP is going to provide us the pool still I believe we will have to use BGP
at ISP level to load balance the traffic.
Do you guys have any use case in this scenario
On Mon, Nov 19, 2012 at 12:50 PM, Emilio Campos <
[email protected]> wrote:
> DNAT= L4UxNAT or L4TxNAT
>
> NAT for HTTP you can use L4TxNAT too
>
> For HTTP you can use HTTP[s] profile, TCP or L4TxNAT it depends your
> requeriments.
>
>
> 2012/11/19 Lazuardi Nasution <[email protected]>
>
>> Hi Emilio,
>>
>> What kind of profile I can use for DNAT? What kind of NAT for HTTP
>> profile? Currently I'm using v2 Stable.
>>
>> Best regards,
>>
>> On Thu, Nov 15, 2012 at 8:32 PM, Emilio Campos <
>> [email protected]> wrote:
>>
>>> ZLB uses NAT or DNAT in L4* farms, in your case DNAT is the solution. It
>>> means: the client connects to the lb ip, the lb ip connects to the smtp
>>> server and the smtp server see the client IP not lb IP. In this case the
>>> problem is solved.
>>>
>>> Regards!
>>>
>>> 2012/11/15 Lazuardi Nasution <[email protected]>
>>>
>>>> Hi,
>>>>
>>>> I'm interested with this incoming SMTP related thread. I have read
>>>> that ZenLB use Source NAT method. The problem is how to get the real
>>>> siurce address if ZenLB use Source NAT? Some MX or SMTP server use
>>>> source address validation/filtering for security purposes. Not only
>>>> for SMTP, I think this source address validation/filetring is related
>>>> to ther services too.
>>>>
>>>> Best regards,
>>>>
>>>> >>> On Tue, Nov 13, 2012 at 7:10 PM, Emilio Campos
>>>> >>> <[email protected]> wrote:
>>>> >>>>
>>>> >>>> Hi Manish, I think you are misunderstanding lb concepts in
>>>> services, BGP
>>>> >>>> is a diferent kind of protocol, it is used to routing and ZLB
>>>> doesn't
>>>> >>>> support it.
>>>> >>>>
>>>> >>>> You can use one ZLB for load balancing smtp service if you are
>>>> more
>>>> >>>> than one SMTP server behind of your ISPs, the example that NIck
>>>> told you is
>>>> >>>> a perfect example.
>>>> >>>>
>>>> >>>> Regards
>>>> >>>>
>>>> >>>> 2012/11/13 Manish Rane <[email protected]>
>>>> >>>>>
>>>> >>>>> Hello Team,
>>>> >>>>>
>>>> >>>>> Here is my scenario. I am trying to set up a High Available Email
>>>> >>>>> server using zimbra may be at ISP level or may be at single
>>>> location but
>>>> >>>>> with 2 ISPs. Say I have domain called example.com and setting up
>>>> two MX
>>>> >>>>> records
>>>> >>>>> mail1.example.com MX 10 20.20.20.20
>>>> >>>>> mail2.example.com MX 20 30.30.30.30
>>>> >>>>>
>>>> >>>>> which will forward the traffic to internal MailBox server now
>>>> again
>>>> >>>>> this mail box server could be two servers behind again load
>>>> balancer. I do
>>>> >>>>> have couple of questions regarding Email Setup but those wont be
>>>> relevant
>>>> >>>>> here. what I wanted to understand is how do I loadbalance the
>>>> environment at
>>>> >>>>> ISP level using zen LB? Well if possible how do I with TWO ISPs
>>>> instead of
>>>> >>>>> using BGP or any other solution.
>>>>
>>>
>>
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>
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