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

several master ip's for a slave zone

2011-11-03 Thread hugo hugoo
Hello, 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? Thanks for any feedback, Hugo, ___