Re: several master ip's for a slave zone

2011-11-07 Thread Barry Margolin
In article , Mark Andrews wrote: > Transfer graph loops prevent expire working as a safeguard against > loss of connectivity to the master source. Some people may consider that a feature. Of course, they could also just set the expire time really high. -- Barry Margolin Arlington, MA __

Re: several master ip's for a slave zone

2011-11-06 Thread Mark Andrews
In message , Barry Mar golin writes: > In article , > Chris Thompson wrote: > > > On Nov 5 2011, Alan Clegg wrote: > > > > >On 11/5/2011 4:21 AM, kalpesh varyani wrote: > > >> How does this feature address the risk that data provided by one master > > >> might get overwritten by another? > > >

Re: several master ip's for a slave zone

2011-11-06 Thread Barry Margolin
In article , Chris Thompson wrote: > On Nov 5 2011, Alan Clegg wrote: > > >On 11/5/2011 4:21 AM, kalpesh varyani wrote: > >> How does this feature address the risk that data provided by one master > >> might get overwritten by another? > > > >The use of the word "masters" in the configuration o

Re: several master ip's for a slave zone

2011-11-06 Thread Chris Thompson
On Nov 5 2011, Alan Clegg wrote: On 11/5/2011 4:21 AM, kalpesh varyani wrote: How does this feature address the risk that data provided by one master might get overwritten by another? The use of the word "masters" in the configuration of a slave zone is a bit misleading. Under most circumsta

Re: several master ip's for a slave zone

2011-11-06 Thread Phil Mayers
On 11/05/2011 01:32 PM, Felix New wrote: if i have several master servers, whether i must ensure that all the master server's serial are the same? i think this is a little complex, in particular zone is updated by dynamic update(In such a scenario, the serial number is controled by every single b

Re: several master ip's for a slave zone

2011-11-05 Thread Alan Clegg
On 11/5/2011 9:32 AM, Felix New wrote: > if i have several master servers, whether i must ensure that all the > master server's serial are the same? i think this is a little complex, > in particular zone is updated by dynamic update(In such a scenario, the > serial number is controled by every sin

Re: several master ip's for a slave zone

2011-11-05 Thread Felix New
if i have several master servers, whether i must ensure that all the master server's serial are the same? i think this is a little complex, in particular zone is updated by dynamic update(In such a scenario, the serial number is controled by every single bind). is it correct? 2011/11/5 Alan Cle

Re: several master ip's for a slave zone

2011-11-05 Thread Lyle Giese
On 11/05/11 03:21, kalpesh varyani wrote: How does this feature address the risk that data provided by one master might get overwritten by another? Regards, Kalpesh On Fri, Nov 4, 2011 at 4:08 AM, Anand Buddhdev mailto:ana...@ripe.net>> wrote: On 03/11/2011 23:14, hugo hugoo wrote: Hi

Re: several master ip's for a slave zone

2011-11-05 Thread Alan Clegg
On 11/5/2011 4:21 AM, kalpesh varyani wrote: > How does this feature address the risk that data provided by one master > might get overwritten by another? The use of the word "masters" in the configuration of a slave zone is a bit misleading. Under most circumstances, you list the authoritative s

Re: several master ip's for a slave zone

2011-11-05 Thread Phil Mayers
On 11/05/2011 08:21 AM, kalpesh varyani wrote: How does this feature address the risk that data provided by one master might get overwritten by another? The zone serial number is checked, and a transfer is only done if the serial is higher than the local one. It is assumed the zone admin won't

Re: several master ip's for a slave zone

2011-11-05 Thread Anand Buddhdev
On 05/11/2011 09:21, kalpesh varyani wrote: > How does this feature address the risk that data provided by one master > might get overwritten by another? Why would anyone run multiple masters with differing zone contents? Anand ___ Please visit https:

Re: several master ip's for a slave zone

2011-11-05 Thread kalpesh varyani
How does this feature address the risk that data provided by one master might get overwritten by another? Regards, Kalpesh On Fri, Nov 4, 2011 at 4:08 AM, Anand Buddhdev wrote: > On 03/11/2011 23:14, hugo hugoo wrote: > > Hi Hugo, > > > I have seen that for a slave zone, it is possible to confi

Re: several master ip's for a slave zone

2011-11-03 Thread Anand Buddhdev
On 03/11/2011 23:14, hugo hugoo wrote: Hi Hugo, > I have seen that for a slave zone, it is possible to configure several master > IP's. > Why this possibility? > How does it works if several master zone can be used for the zone transfer? This allows for resiliency. In case one of the master ser