[c-nsp] Best way to filter local traffic from Internet traffic

[Frank Bulk - iNAME]

Is there any way to re-write the TTL on incoming packets so that they don't
traverse too far upstream, therefore essentially limiting this customer's
traffic to just the local LAN?

Frank

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of root net
Sent: Tuesday, June 10, 2008 5:36 AM
To: a. rahman isnaini r.sutan
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Best way to filter local traffic from Internet traffic

I do not think shaping traffic would work as I am not trying to throttle his
traffic to everyone else but our local LAN I want to provide a circuit that
only allows local LAN traffic meaning our directly connected customers
routes only not any other routes.  BGP would definitely work but I am not
sure if we can do this with this customer.  Is there an alternative towards
BGP like with a ACL or route-map maybe?

-rootnet08

On Tue, Jun 10, 2008 at 4:40 AM, a. rahman isnaini r.sutan <
risnaini at indo.net.id> wrote:

>
> Rate-Limit/Traffic Shape Group ?
>
>
> rgsour
> a. rahman isnaini r.sutan
>
>
> root net wrote:
>
>> This customer is pretty savvy so BGP may be possible.  But if not then
>> what?
>>
>> On Mon, Jun 9, 2008 at 4:26 PM, Justin M. Streiner <
>> streiner at cluebyfour.org>
>> wrote:
>>
>>  On Mon, 9 Jun 2008, root net wrote:
>>>
>>>  I have a customer that wants a 100/1000 Mb/s pipe into our network for
>>> our
>>>
>>>> local customers.  This customer is also a customer but he has a
>>>> dedicated
>>>> 10
>>>> Mb/s circuit to the Internet and is maxing out on bandwidth.  Wishes to
>>>> buy
>>>> the 100/1000 Mb/s pipe for our local network access only not Internet.
>>>>  What
>>>> is the best way to filter this?
>>>>
>>>>  If you're running BGP with this customer, or can do so, you can feed
>>> them
>>> your local and customer routes and you can have them announce their
>>> blocks
>>> to you over that pipe.  Use the knobs that BGP provides, such as local
>>> preference or MED to make the prefixes sent and received over the
>>> 100/1000
>>> Mb/s pipe preferred over their normal transit pipe.  This will push
>>> traffic
>>> between your network and theirs over the higher bandwidth link, and only
>>> use
>>> the 10 Mb/s pipe if the larger one is down.
>>>
>>> That's a pretty simplistic view of it and doesn't take into account any
>>> other connectivity the customer might have.
>>>
>>> jms
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