Is there any way to Migrate Users from One Network to Another?

Vineesh Viswanath Iyer vinunath at gmail.com
Mon Aug 16 19:18:41 UTC 2010


you said it, its the i/f ip address which is the src  , right , which one ,
he need to expand his network , ie a bigger subnet right ?



On Mon, Aug 16, 2010 at 7:46 PM, Jason Frisvold <frisvolj at lafayette.edu>wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On Aug 16, 2010, at 2:40 PM, Vineesh Viswanath Iyer wrote:
> > that would not work with ip helper-address , if you have same scope and
> you are migrating the dhcp server , then , this method will work . But here
> you are trying to change the subnet , just by a different helper , you would
> never be able to achieve your goal ..
>
> How so?  The IP assigned to the end-user is based on the source IP that the
> DHCP request comes in on.   That address is set via helper-address.
>
> > regx
> >
> >
> > On Mon, Aug 16, 2010 at 7:36 PM, Martin McCormick <
> martin at dc.cis.okstate.edu> wrote:
> > Jason Frisvold writes:
> > > Is that subnet behind a router that's forwarding the dhcp request?  ie,
> > > ip helper-address on a cisco?  If so, I believe the source of the
> request
> > > is the primary IP on the interface, so you can create the new subnet,
> > > make it the primary IP on that interface, secondary the old one, and
> > > users will transition over time.
> >
> > It is behind a Cisco router. Thanks! I will relay this to the
> > rest of our group.
> >
> > Martin McCormick
> > _______________________________________________
> > dhcp-users mailing list
> > dhcp-users at lists.isc.org
> > https://lists.isc.org/mailman/listinfo/dhcp-users
> >
> > _______________________________________________
> > dhcp-users mailing list
> > dhcp-users at lists.isc.org
> > https://lists.isc.org/mailman/listinfo/dhcp-users
>
> - ---------------------------
> Jason Frisvold
> Network Engineer
> frisvolj at lafayette.edu
> - ---------------------------
> "What I cannot create, I do not understand"
>  - Richard Feynman
>
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG/MacGPG2 v2.0.14 (Darwin)
>
> iEYEARECAAYFAkxph48ACgkQO80o6DJ8UvknuwCgkoY7vwg1oV+cLTS3DsG3/hG+
> Kk4AnikNs6lxRcQO/A0726SM0C33obgQ
> =iJFW
> -----END PGP SIGNATURE-----
> _______________________________________________
> dhcp-users mailing list
> dhcp-users at lists.isc.org
> https://lists.isc.org/mailman/listinfo/dhcp-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.isc.org/pipermail/dhcp-users/attachments/20100816/e85a7bb9/attachment.html>


More information about the dhcp-users mailing list