On 3/20/12 7:15 AM, "trm asn" <trm.nag...@gmail.com> wrote:
>
>
> On Tue, Mar 20, 2012 at 4:40 PM, Stefan Certic <ste...@routotelecom.com>
> wrote:
>> Hi,
>>
>> That can be achieved using iptables:
>>
>> iptables -A PREROUTING -i eth0 -p tcp --dport 53 -m state --state NEW -m nth
>> --counter 0 --every N --packet 0 -j DNAT --to-destination 192.168.1.98:53
>> <http://192.168.1.98:53>
>>
>> On Tue, Mar 20, 2012 at 10:11 AM, trm asn <trm.nag...@gmail.com> wrote:
>>> Dear List,
>>>
>>> Is there any mechanism to load balance Caching-DNS server. For example..
>>>
>>> _
>
> Requirement is slightly different.
>
> The client's request can go to any of the Caching server. If one of the
> Caching server down, then also it should serve the request from 2nd server. Is
> there any way where I can configure the VIP and that VIP will communicate to
> the down stream both the caching dns server. So the client will be configured
> with VIP in resolve.conf file.
Multiple vips with a single serverfarm (or multiple anycast vips with
multiple serverfarms) are fairly trivial to set up with a hardware load
balancer I have configured this using Cisco ACE, F5, and A10 AX2500.
--
Daniel J McDonald, CCIE # 2495, CISSP # 78281
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