From: Paul Cosgrove (paul.cosgrove@heanet.ie)
Date: Thu Apr 24 2008 - 07:52:05 ART
If you change the global address that is being used you may just be
letting other batches of SPAM out before the new addresses are also
blocked. Doesn't sound like NAT will help resolve your problem. Are
you providing an email service to users? If so perhaps you could apply
inbound spam filtering on the server.
Paul
Aabid Saleem wrote:
> Yeah, exactly,
> router always take the first IP in the pool and keep translating on
> that particular IP address, (if this 65,
>
> is there a way to reduce the number of translations and change to next
> available IP address
> the reason to achieve this, sometime infected user sending SPAM and
> that IP address gets blocked by many SPAM Databases
>
> Aabid
>
>
>
>
>
>
> Dale Shaw wrote:
>> It's not clear (to me at least) what you're asking.
>>
>> Allow me to attempt to paraphrase:
>>
>> When the router is configured with an address pool with >1 address,
>> can you control the way the router uses addresses in the pool?
>>
>> Example:
>>
>> address pool: 192.168.1.10 - 192.168.1.20
>> config: perform source address translation using address pool
>>
>> You want to know how the router chooses addresses, i.e. does it only
>> use 192.168.1.11 after there are ~65,535 active translations using
>> 192.168.1.10.
>>
>> Is that right?
>>
>> cheers,
>> Dale
>>
>> On Thu, Apr 24, 2008 at 2:49 PM, Aabid Saleem <aabids@nesma.net.sa>
>> wrote:
>>
>>> Aabid Saleem wrote:
>>>
>>>
>>>> Hi,
>>>> still i am looking for anyone's help here,
>>>>
>>>>
>>> if any one faced this issue, please respond
>>>
>>>
>>>> general question,
>>>>
>>>> how we can manipulate the NAT configuration to change the global IP
>>>>
>>> address after * translations
>>>
>>>> in simple -- after how many translations the next global IP address
>>>>
>>> changes (taken from pool), and how we can change the default behaviour
>>>
>>>> could not find any help on DOCCD (or over the internet)
>>>>
>>
>>
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>
>
> Pass the CCIE in six weeks, Guaranteed!
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