PacBell internet gives each cus a single IP from a class C, with
255.255.255.0 mask and reserves the .254 as the gateway for all the
customers on that C.
Obviously this is for single IP customers
For Enhanced it's blocks of 8, one network, one gateway, 5 usable and one
broadcast, .248 mask
so thats 32 blocks of 8 per class C
You can oversubscribe, but how much I dont know
"Travis Parrill" wrote in message ...
>I am looking for some information on DSL. I'm working to deploy DSL at an
>ISP.
>
>I have questions on the IP addressing and subnetting of DSL subscibers.
>
>What is the common or standard way to assign IP's to DSL subscibers? Can
>you setup Point-to-points to the dslam or is there a more logical way to do
>this?
>
>What is the ratio of DSL customers to port? If each customers is given
>128K, how many DSL customers can I have per T1? Can I over subscibe that
>port and still provide quality service?
>
>Thanks for your help,
>
>TP
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