Hi Folks,
Here is the perfect example I would like to describe and wanted to know if
ZLB Team can do something like and offer this feature?
http://www.peplink.com/index.php?view=faq&id=123
And this one
http://support.f5.com/kb/en-us/archived_products/3-dns/manuals/product/3dns4_5_10admin/3dns_planconfig.html
On Sun, Dec 9, 2012 at 10:14 PM, Manish Rane <[email protected]> wrote:
> Hi there,
>
> I am trying to build a GTM like stuff where DNS load balancing can be
> done. Where say I have zone created as example.com with 2 A records and
> DNS monitors the host with lower TTL entry. So if one of host goes down DNS
> automatically updates the record and removes the down host entry so that
> traffic can be routed away from down host. Not sure if you have seen F5
> 3DNS stuff. I believe this is widely used in DNS geo load balancing. And
> since ZLB is such great load balancer product I guess this can be easily be
> achieved using othr module or scripting. The important point here is
> updating zone entry automatically on NS server so that traffic wont reach
> to host which is down.
>
> Can this be possible?
> On 9 Dec 2012 21:53, "Lazuardi Nasution" <[email protected]> wrote:
>
>> Hi Manish,
>>
>> Of course you can install DNS/BIND on the same server with ZLB. You can
>> use cron of check_* for doing backend servers health check. By the way, I'm
>> still not get the reason you need DNS/BIND on your case. May be you can
>> explain some scenario about your case.
>>
>> Best regards,
>>
>>
>> On Sun, Dec 9, 2012 at 9:03 PM, Manish Rane <[email protected]> wrote:
>>
>>> Hi there,
>>>
>>> I completely agree this is not ZLB part. But I request a feature where
>>> DNS/BIND can be installed on ZLB itself and can act as a NS server. And
>>> since it by default monitors the status of hosts, I believe its just a
>>> matter of writing a php script or something by which it can detect the fail
>>> hosts and auto-update the entries inside zone?
>>>
>>> It shouldn't be that difficult? What say Team? I mean I am looking at
>>> ZLB a complete LB just like F5 3DNS or GTM.
>>>
>>>
>>> On Sat, Dec 8, 2012 at 9:44 PM, Lazuardi Nasution <
>>> [email protected]> wrote:
>>>
>>>> Hi Manish,
>>>>
>>>> I believe it is not ZLB part, it is DNS service part which has
>>>> capability of resolving and ordering the output with TTL parameter. If you
>>>> can do it with, let's say, BIND, the ZLB in front of BIND servers can help
>>>> DNS service scalability.
>>>>
>>>> I have experience with a load balancer hardware. The scenario is by
>>>> putting two DNS servers or two group of DNS servers with different
>>>> different output ordering. Each DNS server or group of DNS servers is
>>>> related with one of two VIP. If there is DNS request hit a VIP, so it will
>>>> be served by DNS server or group of DNS servers which will give ordering
>>>> priority to IP from related ISP.
>>>>
>>>> Best regards,
>>>>
>>>>
>>>> On Sat, Dec 8, 2012 at 4:05 PM, Manish Rane <[email protected]>wrote:
>>>>
>>>>> Hi Team
>>>>>
>>>>> Just wondering if ZLB can be used as a Global Traffic Manager or just
>>>>> like F5 3DNS. Is there any such configuration available or some kindaa
>>>>> scripting can be done by which low TTL DNS configured on ZLB and have it
>>>>> configured as GTM?
>>>>>
>>>>> If not I would sincerely request a feature like this which will make
>>>>> this product a complete and would be a great help to Open Source
>>>>> Community.
>>>>>
>>>>>
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>>>>
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