not going into hassle so i decided to use /31 subnet with public IP address. can i assigned following IPs
71.xx.xx.xx.254/31 <------p2p-------> 71.xx.xx.xx.255/31 Its working but question is there won't be any issue right? just asking to make sure it's safe On Fri, Jun 24, 2016 at 3:35 AM, Brian Turnbow <[email protected]> wrote: > Yes it was allocated for cgn use inside a service provider network. > You cannot route it towards the internet, but it may be used inside the > network > At least your customers will think its a public IP when they run traceroutes > outbound > > Brian > > > >> -----Original Message----- >> From: Nick Cutting [mailto:[email protected]] >> Sent: mercoledì 22 giugno 2016 22:33 >> To: Satish Patel; Brian Turnbow; Cisco Network Service Providers >> Subject: RE: [c-nsp] Private IP in point to point link on internet >> >> That space also "should" be non-routable over the internet - I know a few >> sneaky enterprises using it, - wasn’t that carved out for CGN? >> >> -----Original Message----- >> From: cisco-nsp [mailto:[email protected]] On Behalf Of >> Satish Patel >> Sent: Wednesday, June 22, 2016 4:19 PM >> To: Brian Turnbow; Cisco Network Service Providers >> Subject: Re: [c-nsp] Private IP in point to point link on internet >> >> This is new too me! never heard before. do we can use 100.64.0.0/16 on >> Point to point WAN link?? >> >> On Wed, Jun 22, 2016 at 8:50 AM, Brian Turnbow <[email protected]> >> wrote: >> > Hi Satich, >> > >> > In your position I would consider using shared address space instead >> > of private address space. >> > https://tools.ietf.org/html/rfc6598 >> > >> > Best Regards >> > >> > Brian >> > >> > >> >> -----Original Message----- >> >> From: cisco-nsp [mailto:[email protected]] On Behalf >> >> Of Satish Patel >> >> Sent: martedě 21 giugno 2016 04:53 >> >> To: Cisco Network Service Providers >> >> Subject: [c-nsp] Private IP in point to point link on internet >> >> >> >> This is weird question but i thought let me get opinion from you guys. >> >> We have following scenario >> >> >> >> [ISP]------<Public-IP>-----[Router]-------<Private-IP>-------[L3 >> >> Switch]------------[Hosts] >> >> >> >> >> >> In above diagram we get /24 subnet from ISP for hosts, Now i want to >> >> configure routed network between [Router] and [L3 switch] so can i >> >> use Private IP address (rfc1981) like 192.168.100.1/30 instead of >> >> Public IP address, to save public IP address in point to point link. >> >> what would be >> > the >> >> disadvantage i will get doing that? >> >> _______________________________________________ >> >> cisco-nsp mailing list [email protected] >> >> https://puck.nether.net/mailman/listinfo/cisco-nsp >> >> archive at http://puck.nether.net/pipermail/cisco-nsp/ >> _______________________________________________ >> cisco-nsp mailing list [email protected] >> https://puck.nether.net/mailman/listinfo/cisco-nsp >> archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
