Thanks,
Gabe
----- Original Message -----
From: Bob's Lists <bob.lists@raha.com>
To: <ntisp@iea-software.com>
Sent: Friday, December 03, 1999 11:19 AM
Subject: RE: [NTISP] IP delegation...
> Pardon my ignorance on this issue, but in starting to sell DSL our company
> has run into a problem delegating IP addresses to customers. Due to the
> configuration constraints of the Cisco router (3810) we are using, we have
> assigned a subnet mask for our end users of 255.255.254.0 thus allowing
all
> of the users access to all of the addresses in the assigned class C.
>
> My question is: What would be the best way to avoid customers to just grab
> unused IPs for their workstations? The only way I could do it now is
> assign all the untaken IP to a Nt workstation, but that is cumbersome and
> quite annoying.
>
> -----------------------
>
> The only suggestion I can offer, is to get a network admin who knows what
> they're doing.
>
> First of all, 255.255.254.0 is not a class C, it is 2 class C's (or 1 /23,
> and they're now known). Using that mask, and if, indeed, your upstream has
> allocated you a class C, I'm surprised they haven't nailed you yet for
some
> 'unusual traffic' on your link...
>
> Next, you should be allocating customers only what they need. If they need
1
> address, give them a /30 (with the gateway on your router, leaving 1 IP at
> the customer end. Similarly for customers requiring more addresses, assign
> them appropriately sized subnets.
>
> What configuration restraints?
>
> Whoever set it up being incapable is the only restraint I see here.
>
> Regards
>
> Bob
>
>
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