There are a total of 7 subs on the AP (new POP). We're currently NATing all of them through one public IP.

All I have in that area is a /28 (16 IPs minus overhead). I have 2 of those IPs allocated on another POP that I think I can move somewhere else, which would give me the all 13 IPs to spread around if I move the public IPs down to the sub level. I guess that's 6 spare addresses for a little while.

I have requested another block from both our upstream and ARIN. Not holding my breath on ARIN.



bp


On 9/21/2011 12:05 PM, Jeromie Reeves wrote:
Depending on your setup, there might be a few ways. Do you have just
the 1 subnet, and if so, what size is it?

On Wed, Sep 21, 2011 at 10:40 AM, Bill Prince
<[email protected]>  wrote:
We are running short on IP addresses, and I wonder if there is a way to do
this without splitting a subnet and losing the overhead IPs for a subnet.

I have a remote tower serving a handful of subscribers, and am using an
RB450 to NAT them through a single IP.

We are now hooking up a new sub that requires a dedicated, non-NATed IP.  Is
there a way to pass through an additional IP without burning a small subnet?

Say the RB450 is NATing most of the subs through 1.2.3.122

And I want to put the dedicated sub on 1.2.3.124 (or something).

How do I handle the fact that the gateway for both for 1.2.3.124 is not on
the same subnet?




--
bp

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