...@nachtmaus.us
To: ju wusuo juwu...@yahoo.com
Cc: bind-users@lists.isc.org bind-users@lists.isc.org
Sent: Saturday, March 10, 2012 3:31 PM
Subject: Re: Anycast DNS - LB/LTM
Exactly. The script runs inside the LTM, and wraps nslookup or dig. It
should output a distinct output for success
the advertising?
--
*From:* David Klein r...@nachtmaus.us
*To:* ju wusuo juwu...@yahoo.com
*Cc:* bind-users@lists.isc.org bind-users@lists.isc.org
*Sent:* Wednesday, March 7, 2012 11:18 PM
*Subject:* Re: Anycast DNS
You would need to create a custom script to use as your
Klein r...@nachtmaus.us
To: ju wusuo juwu...@yahoo.com
Cc: bind-users@lists.isc.org bind-users@lists.isc.org
Sent: Wednesday, March 7, 2012 11:18 PM
Subject: Re: Anycast DNS
You would need to create a custom script to use as your monitor, which does a
lookup of an address that you know
thanks everyone for all responses with the great inputs ..
now if I want to put the DNS servers behind LBs, 1) would the LTMs be able to
announce the routes dynamically for the DNS servers, and a VIP can be withdrawn
when the site is gone? 2) would the LTMs be able to detect a DNS service
You would need to create a custom script to use as your monitor, which does
a lookup of an address that you know will always be in your domain. If that
fails, force-down/inactive the node, and tie this script as a monitor to
the pool holding the DNS server nodes.
You can advertise the /32
On 29/02/12 03:55, ju wusuo wrote:
Have seen some anycast DNS implementations using more than one address,
some times even on the same subnet, any considerations or reasons for
doing that?
We do that.
We use two different, indepentent methods to route traffic to the IPs.
We feel
Have seen some anycast DNS implementations using more than one address,
some times even on the same subnet, any considerations or reasons for
doing that?
We do that.
We use two different, indepentent methods to route traffic to the IPs.
We feel this provides a greater degree
Ju,
What do you mean on more than one address?
--
Paul Ooi
On Feb 29, 2012, at 11:55 AM, ju wusuo wrote:
Have seen some anycast DNS implementations using more than one address, some
times even on the same subnet, any considerations or reasons for doing
wrote:
Have seen some anycast DNS implementations using more than one address, some
times even on the same subnet, any considerations or reasons for doing
that?
I assume he's asking why Google has 8.8.8.8 and 8.8.4.4, and why
whoever runs 4.2.2.2 has 4.2.2.1, 4.2.2.2, etc. I don't have
: Anycast DNS
Have seen some anycast DNS implementations using more than one address, some
times even on the same subnet, any considerations or reasons for doing that?
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Subject: Anycast DNS
Have seen some anycast DNS implementations using more than one address, some
times even on the same subnet, any considerations or reasons for doing that?
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This transmission (including
Have seen some anycast DNS implementations using more than one address, some
times even on the same subnet, any considerations or reasons for doing that? ___
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