Re: (PM) Assigned IPs

Jon Rust (jpr@vcnet.com)
Mon, 23 Feb 1998 16:36:44 -0800

Right, but only if the console is set for dial-up networking AND only if
you have not forced pool size with 'set pool xx'.

Jon

On 2/23/98 3:45 PM garlic@garlic.com proclaimed --

>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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