From: Scott Morris (swm@xxxxxxxxxx)
Date: Sat Feb 09 2002 - 22:51:31 GMT-3
As far as I can tell, this is true. There are some exceptions, but they're
based solely on the CMTS (Cable Modem Termination System (head-end stuff)).
So if we're talking about the cable modem world, yes it can be done! For
every other place, I don't think it's possible.
But your DHCP server can set up secondary policies and you may be able to
tweak how they're chosen and what's used. But that's up to the server that
you have. Cisco's CNR (network registrar) works very well with doing this!
Scott
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Hansang Bae
Sent: Saturday, February 09, 2002 4:39 PM
To: ccielab@groupstudy.com
Subject: Re: DHCP with secondary IP address
At 10:56 PM 2/9/2002 +0800, Neil G. Legada wrote:
>If a secondary IP address is configured on VLAN interface on an MSFC ... is
>it possible for remote DHCP servers to lease out IP addresses to clients
>connected to this VLAN within the range of the secondary IP address ???
....
>IP helper address was configured and DHCP lease perfectly worked with the
>primary IP address on the same VLAN interface .... primary and secondary
are
>leasing from the same server ....
>Got this URL http://www.dhcp-handbook.com/dhcp_faq.html .... from item 23+
>but I got lost .... I'm not quite a system guy ....
>Just wondering if this scenario does work or how to make it work ...
I believe the giaddr field will be populated with the primary interfaces
subnet ID. I could be wrong, but I think I remember seeing this behaviour.
hsb
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