[c-nsp] handling customer interfaces for single IP address

Jon Harald Bøvre jon at bovre.no
Thu Nov 17 11:25:46 EST 2011


Would be a bit hardware spesific, but on Cisco 6500 you can use UBRL:


    User-Based Rate Limiting in the Cisco Catalyst 6500


I never got i working though.


Jon

Den 11/17/2011 1:57 AM, skrev root net:
> I wanted to find out how some of you are handling customer interfaces,
> specifically when giving a customer one IP address. How do you make sure
> the customer is only getting bandwidth he/she is paying for?
>
> Currently, we assign customers /29 subnet to their 802.1Q sub interface and
> apply some policies to the sub interface. For customers wanting a single IP
> or broadband package that included only a single IP we have a 802.1Q sub
> interface with a /24 and we just assign the static IPs to the customer as
> they need. With this model you have to throw more bandwidth at the link in
> order to satisfy all customers wanting for example 20 down / 5 up
>
> Using ATM DSL this was a walk in the park but just trying to make sure we
> hit the nail on the head since it's all Ethernet and L2 ports for customers.
>
> I believe if we simply did a /30 for each customer on a 802.1Q interface
> that would solve our issue but we would waste IP addresses. Also if we did
> this we could route a /29 or any subnet size to their interface at that
> point should they need. What are your experiences and do you have any other
> suggestions?
>
> We do all routing on our side and hand off a L2 port.
>
> Thanks in advance,
>
> rootnet
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