thats a widely used techniqe for routing purposes. so the isp can change the routing quickly and apply more subnets to that route. you can use one and the same router for many subnets than.
the /29 is the routing subnet and the /28 your official subnet. so there should no need for arp'ing. Just put the /28 on an DMZ NIC and the /29 on WAN. The first free IP of the /28 may be supposed to be the NIC IP of the DMZ. Everything should be fine than? = = = http://michael-schuh.net/ = = = Projektmanagement - IT-Consulting - Professional Services IT Rev. P.D. Michael Schuh<http://dudeism.com/ordcertificate?ordname=Michael+Schuh&orddate=05/20/2012> *Ordained Dudeist Priest <http://dudeism.com/>* Postfach 10 21 52 66021 Saarbrücken phone: 0681/8319664 @: m i c h a e l . s c h u h @ g m a i l . c o m = = = Ust-ID: DE251072318 = = = 2013/6/14 Nishant Sharma <[email protected]> > Thanks Adam & Alex for your inputs. > > I had already configured it with configuring one subnet on WAN and > adding rest of the IPs as IF Alias. Everything is working fine. > > More interesting thing that I saw was, which ever subnet or gateway you > use, traffic was always going through the gateway for /29 subnet. > > regards, > Nishant > > On Thursday 13 June 2013 11:39 PM, Adam Thompson wrote: > > This case sounds tailor-made for transparent mode, to me. > > -Adam > > > > Alex Threlfall <[email protected]> wrote: > > > >> My money would be Proxy Arp'ing them - but I might also consider going > Media > >> Convertor > 4 Port Mini Switch > WAN1 (/28) and WAN2 (/29) interfaces. > >> There's probably a more elegant way of doing this tho. > >> > >> -- > >> Alex Threlfall > >> Cyberprog New Media > >> www.cyberprog.net > >> > >> > >>> -----Original Message----- > >>> From: [email protected] [mailto:list- > >>> [email protected]] On Behalf Of Nishant Sharma > >>> Sent: 09 June 2013 14:11 > >>> To: pfSense support and discussion > >>> Subject: [pfSense] Two Subnets on WAN > >>> > >>> Hi, > >>> > >>> Here is a deployment scenario where ISP has provided two subnets - /29 > >>> and /28. > >>> > >>> There are already servers running on public IPs from both the subnets > and > >> I > >>> have to put pfSense in front of them. I can not change the IPs of the > >> servers > >>> so using one subnet on WAN and other one on DMZ is not possible. > >>> > >>> I am planning to use one of the IPs on the WAN as primary and use other > >> IPs > >>> for 1:1 NAT. Would it be possible if I add a different subnet in > Virtual > >> IPs on > >>> WAN? Which one do I need to choose, IP Alias or Proxy Arp? > >>> > >>> I guess, it's the same router at the PE end which is routing both the > >> subnets > >>> back. There is no CPE router, just a media converter with Ethernet Out. > >>> > >>> Thanks in advance for your pointers. > > _______________________________________________ > List mailing list > [email protected] > http://lists.pfsense.org/mailman/listinfo/list >
_______________________________________________ List mailing list [email protected] http://lists.pfsense.org/mailman/listinfo/list
