[c-nsp] IOS DHCP Server - dynamic and static in one subnet

Artyom Viklenko artem at aws-net.org.ua
Thu Dec 9 09:52:37 EST 2010


08.12.2010 17:35, Ramcharan, Vijay A пишет:
> Since you mentioned one subnet with static allocations from a portion of
> that subnet I assume that you don't want the DHCP server handing out
> your static allocations. You can configure exclusions (i.e. don't give
> out these addresses) with "ip dhcp excluded-address"

It doesn't help. After applying command, Cisco says:

% Address range contains an already reserved address.

Also, I tryed to remove static pool and replace it with another pool
for single host - it works! But when I return static pool with 'origin 
file' - it again doesn't look into it... :(


>
> Vijay Ramcharan
>
>
>> -----Original Message-----
>> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
>> bounces at puck.nether.net] On Behalf Of Artyom Viklenko
>> Sent: Wednesday, December 08, 2010 2:09 AM
>> To: cisco-nsp at puck.nether.net
>> Subject: [c-nsp] IOS DHCP Server - dynamic and static in one subnet
>>
>> Hi, List!
>>
>> I'm trying to figure out how to achive the foloving.
>>
>> Let's say we have one subnet, f.e. x.y.z.192/27.
>> I would like to use DHCP in it. But also have static
>> mappings for some portion of address space from this
>> subnet.
>>
>> I've create dhcp pool with 'network' statement. So far
>> so good. All works as expected.
>>
>> Now I put text file on tftp server and created another
>> pool with 'origin' statement. But clients PC's still
>> get their ip assigned from the first dhcp pool.
>>
>>
>> ip dhcp pool test-pool
>>      network x.y.z.192 255.255.255.224
>>      default-router x.y.z.193
>>      dns-server 1.2.3.4 5.6.7.8
>>      domain-name test.domain.tld
>>      lease 0 12
>> !
>> ip dhcp pool test-static-pool
>>      origin file tftp://t.t.t.t/test-static-pool
>>      default-router x.y.z.193
>>      dns-server 1.2.3.4 5.6.7.8
>>      domain-name test.domain.tld
>>      lease 0 12
>> !
>>
>> What's wrond with this config? Is it possible
>> with ios dhcp server at all?
>>
>> Please, give me some hints.
>>
>> Thanks in advance!
>>
>> --
>>               Sincerely yours,
>>                                  Artyom Viklenko.
>> -------------------------------------------------------
>> artem at aws-net.org.ua | http://www.aws-net.org.ua/~artem
>> artem at viklenko.net   | JID: artem at jabber.aws-net.org.ua
>> FreeBSD: The Power to Serve   -  http://www.freebsd.org
>> _______________________________________________
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-- 
            Sincerely yours,
                             Artyom Viklenko.
-------------------------------------------------------
artem at aws-net.org.ua | http://www.aws-net.org.ua/~artem
artem at viklenko.net   | JID: artem at jabber.aws-net.org.ua
FreeBSD: The Power to Serve   -  http://www.freebsd.org


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