[131921] in North American Network Operators' Group
Re: Migrating from PPP to DHCPo82
daemon@ATHENA.MIT.EDU (Ingo Flaschberger)
Mon Nov 8 10:58:22 2010
Date: Mon, 8 Nov 2010 16:57:00 +0100 (CET)
From: Ingo Flaschberger <if@xip.at>
To: MKS <rekordmeister@gmail.com>
In-Reply-To: <AANLkTi=j0GU-cPCeNg_9SR3kJoa5u5YacfK06MkR+gdM@mail.gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Hi,
> I work for an small ISP, which does traditional xDSL service with PPPoE.
> Currently we are in the process of migrating most of our customers to
> DHCP (some customers are getting new CPEs and some will be sw upgraded
> remotely ). It would be great if someone has the time to share their
> experience (on- or offline) from such a migration. Common pitfals and
> perhaps what whey would do differently "next time".
> I know that every network is different but I believe that there are
> some general concerns, specially around security of DHCP and security
> features for vendors around DHCP and DHCP snooping etc.
option82 is great, but differs from vendor to vender - I use always a
custom string.
a pitfal is, when you try to give a dslam port a static ip with a
isc-dhcpd, thats not possible. (I have modfied isc-dhcpd to have a fixed
size option82 hardware type).
also pools and leasetimes could be problematic, when getting low.
> What about 802.1x, is that generally being deployed with option82?
more security - but not always supported, I have not yet tested or needed
this feature.
Kind regards,
Ingo Flaschberger
