zone transfers slow
Kevin Darcy
kcd at daimlerchrysler.com
Wed Feb 16 00:02:18 UTC 2005
Some folks like to hide their true masters from Internet view.
Unfortunately, in addition to complicating NOTIFY, it also makes things
rather painful for Dynamic Update.
- Kevin
Mark Andrews wrote:
>>The server contained in the SOA.MNAME is usually excluded from NOTIFYs
>>because it is expected to be the primary master server. Try adding an
>>"also-notify" for lurch to the relevant zones, or globally. You didn't
>>say whether you were running BIND 9 or not, but if you are, you also
>>might want to consider using "notify explicit", to prevent the master
>>from sending NOTIFYs to itself.
>>
>>
>
> Or just make the SOA.MNAME match with reality.
>
>
>
>>- Kevin
>>
>>Nicole Skyrca wrote:
>>
>>
>>
>>>Hello,
>>>We have a master name server, and two slaves called icarus and lurch.
>>>Zone transfers to icarus
>>>appear to be instantaneous (ie as soon as the master sends the notify).
>>>There is either a
>>>short delay (anywhere from a few minutes to 30 minutes) in the
>>>transfers to lurch, or lurch
>>>just doesn't transfer the zone at all. According to the logs,
>>>everytime a serial number is updated
>>>for a zone on the master, icarus will trasfer the zone with the new
>>>serial number, but lurch
>>>may miss 5 or 6 serial number changes before it transfers a zone. Does
>>>anyone
>>>have any ideas why this could be happening and how I could fix it?
>>>We'de like lurch to transfer
>>>the updated zones as they get updated.
>>>
>>>Some other information that might be helpful is that lurch is named the
>>>SOA in all of our zone files.
>>>Lurch also acts as a master to our secondary dns service provider.
>>>
>>>Thank you in advance for your help. I'm fairly new to the DNS world and
>>>I've been reading the
>>>books and searching the admin list archives, but any additional help
>>>would be greatly appreciated.
>>>
>>>Thanks,
>>>Nicole
>>>
>>>Nicole Skyrca
>>>Syracuse University
>>>Computing and Media Services
>>>Machinery Hall
>>>315-443-5310
>>>nskyrca at syr.edu
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>--
>Mark Andrews, ISC
>1 Seymour St., Dundas Valley, NSW 2117, Australia
>PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews at isc.org
>
>
>
>
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