From: Arthur D. <art...@m4...> - 2012-07-26 19:20:37
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2012/7/26 Timothy J Massey <tm...@ob...> > bubolski <bac...@ba...> wrote on 07/24/2012 05:51:47 > AM: > > > > I got a problem with this (topic). When i'm connected to the same > > wireless via cable I can start backup on backuppc. > > When i got internet from wifi and i'm connected to my work wireless > > via vpn i can ping my computer from backuppc but can't start backup. > > Got information about no ping. > > > > Why i can ping from my -> pc backuppc and from backuppc -> my pc , > > but can't start backup for my computer ? > > Via cable is the same situation but I can start backup. > > > BackupPC does not use IP addresses to talk to your client: it uses names. > Internally, the resolution of the name works by broadcasting on the local > network. With a VPN in place, your PC and the BackupPC device are on > different networks, so the broadcast method for name resolution won't work. > > You will need to use some sort of dynamic DNS system to be able to get > BackupPC to be able to resolve your PC's name even when your PC is > connected via the VPN. A fixed IP won't work because you won't be able to > use the same IP for your PC both inside the office and via the VPN. > > Bad news: such dynamic DNS systems are not simple. Actually, the > simplest is Microsoft Active Directory: it mostly works out of the box. > But then you have to make sure your notebook is logging into the domain > over the VPN, which has its own issues... > > Tim Massey > You can easily configure the VPN to give static IP to your clients, and then just map a dummy name to the VPN IP using /etc/hosts on the BackupPC server. Arthur |