[c-nsp] Carrier grade NAT44 & newest Cisco boxes

Ruslan Pustovoitov rus-p at mostelekom.net
Thu Mar 15 02:07:23 EDT 2012


I know Alcatel has Bulk Port Allocation in it's MS-ISA and it work fine.
ISM-100/CGSE has no such feature but my aim is argue that ISM is the 
right answer )

Jean-Francois.TremblayING at videotron.com пишет:
>> We in europe have some pressure to have the ability to map the 
>>     
> ip/port/timestamp 
>   
>> touple back to user. Of course nobody will be able to deliver the port 
>>     
> together 
>   
>> with the ip and an accurate enough timestamp for this to be meaningfull.
>>     
>
> Bulk Port Allocation (also called Port Range Allocation) is probably what 
> you're looking for. 
> It reduces logging requirements by several orders of magnitudes and your 
> timestamping 
> doesn't have to be as precise. This is a must to deploy any CGN, IMHO. 
>
> Coming soon to your favorite Cisco CGN implementation, apparently... 
>
>   
>> I can see this becoming a larger problem when more nats appear on 
>>     
> conventional 
>   
>> DSL / FTTx / Cable access products as opposed to just low bandwidth 
>>     
> mobile networks.
>
> Mobile networks aren't that low bandwidth anymore. They have the same 
> issues with logging. 
>
> /JF
>
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