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

2011-11-05 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 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 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 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 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: DNS requests with Rd flag cleared

2011-11-05 Thread Matus UHLAR - fantomas
On 04.11.11 17:21, patrice.wacren...@orange.com wrote: I have noticed that every request sent by a BIND recursive DNS server during its iterative process is sent with rd flag cleared. Correct. when bind does the resolution, it does not ask other servers to do it, only to provide data they have

How to show the Recursion behaviour of DNS Servers

2011-11-05 Thread Gaurav Kansal
Dear All, Is there any way in dig or nslookup utility to see the whole path which a DNS Server follows for giving me the answer. For eg: Suppose I ask what is www.nkn.in from goggle 8.8.8.8 server AND at that time goggle 8.8.8.8 DNS doesn't have the answer in its cache. Then it will first

Re: How to show the Recursion behaviour of DNS Servers

2011-11-05 Thread Matthew Seaman
On 05/11/2011 19:37, Gaurav Kansal wrote: > Is there any way in dig or nslookup utility to see the whole path which a > DNS Server follows for giving me the answer. dig +trace www.nkn.in is pretty close to what you ask. Cheers, Matthew -- Dr Matthew J Seaman MA, D.Phil.

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