[THIN] Re: Round Robin DNS in W2K
- From: "Lambert, Ryan" <rlambert@xxxxxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Fri, 10 Sep 2004 11:18:16 -0400
I'd start at something like 10-15 minutes to be safe. DNS is pretty low
impact overall, so I don't expect this to be any kind of risk as far as
resource/performance is concerned. Typically TTL is higher on a public
domain, albeit this is a bit different scenario, so opinions on the value
may vary (as they often do, which makes this list great ;p)
I would monitor the performance of your box from a 10-15 minute standpoint
for awhile while it's in production mode and actually being used... and if
you're still not seeing a hit, you could lower it even further.
Note, Note, Note!
... Like Neil and Jeff mentioned, even if your TTL expires and you attempt
to look up the record again, you may yet get the IP address of the
failed/down Terminal Server. So just be prepared for that, as this
implementation is not 100% fail-safe.
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Spriggs Jon
Sent: Friday, September 10, 2004 11:05 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Round Robin DNS in W2K
OK, so I've added two entries with the name RoundRobinTS and the IP address
10.1.1.27 and 10.1.1.29. I've just pinged RoundRobinTS.mynet.local and it
keeps replying with 10.1.1.27. Is this due to the TTL? What's a good value
if I want to put 4 W2K terminal servers into a round robin?
Jon Spriggs
--
The presence of a "Fujitsu" address does not imply or assume that Fujitsu
Services, Fujitsu or any other company containing the Fujitsu name uses or
endorses this product. This email is purely a personal opinion.
-----Original Message-----
From: Lambert, Ryan [mailto:rlambert@xxxxxxxxxxxxxxx]
Sent: 10 September 2004 15:54
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Round Robin DNS in W2K
Under mynet.local
That should contain A records for the machines in your particular domain.
Can verify that this worked by pinging the new hostname.mynet.local after
you enter it.
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Spriggs Jon
Sent: Friday, September 10, 2004 10:52 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Round Robin DNS in W2K
So...
I'm looking at the DNS MMC Snap in, where (briefly) would this go?
DNS
-- DC
-- Forward Lookup Zones
| -- .
| | -- arpa
| | | -- in-addr
| | | -- 10
| | -- local
| | | -- mynet
| -- mynet.local
| -- _msdcs
| | -- dc
| | | -- _sites
| | | | -- SITE1
| | | | | -- _tcp
| | | | -- SITE2
| | | | -- _tcp
| | | -- _tcp
| | -- domains
| | | -- CLSID-number-in-full
| | | -- _tcp
| | -- gc
| | | -- _sites
| | | | -- SITE1
| | | | | -- _tcp
| | | | -- SITE2
| | | | -- _tcp
| | | -- _tcp
| | -- pdc
| | -- _tcp
| -- _sites
| | -- SITE1
| | | -- _tcp
| | -- SITE2
| | -- _tcp
| -- _tcp
| -- _udp
-- Reverse Lookup Zones
-- 10.x.x.x Subnet
-- 1
| -- 1
| -- 2
Does this remind anyone of the Tree command in DOS? :)
Jon Spriggs
--
The presence of a "Fujitsu" address does not imply or assume that Fujitsu
Services, Fujitsu or any other company containing the Fujitsu name uses or
endorses this product. This email is purely a personal opinion.
-----Original Message-----
From: Jeff Pitsch [mailto:jpitsch@xxxxxxx]
Sent: 10 September 2004 15:21
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Round Robin DNS in W2K
And hope that none of your servers go down because users will still be
redirected to down servers unless you manually change the DNS.
Jeff Pitsch
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Braebaum, Neil
Sent: Friday, September 10, 2004 10:15 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Round Robin DNS in W2K
Multiple addresses for A records, pretty short TTLs, and a bit of optimism.
Neil
> -----Original Message-----
> From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
> Behalf Of Spriggs Jon
> Sent: 10 September 2004 15:11
> To: thin@xxxxxxxxxxxxx
> Subject: [THIN] Round Robin DNS in W2K
>
> Just out of interest, I have a DNS within my domain, and I've heard
> that an easy way to set up a simplistic form of load balancing is to
> use Round Robin DNS. I'm using Windows 2K, how would I go about doing
> this?
>
> Many thanks,
>
> Jon Spriggs
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