transparent DNS load-balancing with a Cisco ACE

Daniel McDonald dan.mcdonald at austinenergy.com
Fri Oct 19 20:32:53 UTC 2012




On 10/19/12 1:25 PM, "John Miller" <johnmill at brandeis.edu> wrote:

> Hello everyone,
> 
> Perhaps a Cisco list is a better destination for this, but I've seen a
> similar post here in the past couple of months, so posting here as well.
> 
> I'm trying to get our Cisco ACE set up appropriately to handle DNS
> traffic.  So far, I've gotten it working using NAT (each rserver has a
> public and a private IP) and using transparent load-balancing (ACE talks
> directly to the public IP), aka direct server return.

I've not bothered with nat - just place rservers with unique addresses
behind the ACE, let them use the ACE as their default gateway, and then
publish a vip.  The rservers use their real address for zone transfers with
the master, while clients only talk with the vip address.


-- 
Daniel J McDonald, CCIE # 2495, CISSP # 78281




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