Re: (PM) Assigned IPs

Roy (garlic@garlic.com)
Mon, 23 Feb 1998 15:45:40 -0800

Don't forget the console port C0 can cause the pool to be one address
larger than the number of Sx ports

Jon Rust wrote:
>
> On 2/23/98 12:42 PM jd@cyberhighway.net proclaimed --
>
> >I hear from someone at our NOC that PM3s use up an extra IP beyond the
> >number of ports it has. Is this true? If I set start of assigned as
> >xxx.xxx.xxx.100, what will be the last IP is will consume?
> >
> >Thanks for the help,
> >JD
>
> Someone at support finally straightened me out on this (Sean if memory
> serves). First, start the pool on a subnet boundary. That way if/when you
> run OSPF your routes are summarized nicely. For example, set assigned
> x.x.x.16; set pool 48. That makes it a /28 and a /27 -- 2 entries in your
> OSPF tables. And second, no it doesn't take one extra. When the PM boots,
> it checks to see how many dial-in ports you've got. It'll set that many
> addresses aside UNLESS you have the set pool command set, which overrides
> it. In the above example the PM would use x.x.x.16 - x.x.x.63. A PM2e/30
> would require only a /27.
>
> Jon
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