Warning: ID mismatch Error!

[Tek Bahadur Limbu]

Hi Fr34k,


Fr34k wrote:
> Hello,
> 
> Looks like someone is using a load balancer where the destination IP was a public IP (216.157.145.11) but the response came from a private RFC1918 IP (192.168.32.33)
> 
> If you are not running this load balancer, then do you also expect to get RFC1918 responses from outside your network?
> 
> If you are running this load balancer, then you may wish to NAT the DNS responses as appropriate or practical.
> 

Indeed, it seems like our Alteon load balancer was acting weirdly! 
However the problem has been fixed now. Thank you once again for your 
hints and suggestions.


Thanking you...




> HTH -- Chris
> 
> ----- Original Message ----
> From: Tek Bahadur Limbu <teklimbu at wlink.com.np>
> To: Bind <bind-users at isc.org>
> Sent: Wednesday, January 9, 2008 7:51:49 AM
> Subject: Warning: ID mismatch Error!
> 
> Hi All,
> 
> I am getting some weird looking DNS errors upon some websites like the 
> one below:
> 
> dig hsphere.cc @216.157.145.11
> ;; reply from unexpected source: 192.168.32.33#53, expected 
> 216.157.145.11#53
> ;; Warning: ID mismatch: expected ID 15834, got 32924
> ;; reply from unexpected source: 192.168.32.33#53, expected 
> 216.157.145.11#53
> ;; Warning: ID mismatch: expected ID 15834, got 32924
> 
> ; <<>> DiG 9.3.1 <<>> hsphere.cc @216.157.145.11
> 
> What could be the reason for this type of errors?
> 
> Thanking you...
> 
> 
> 


-- 

With best regards and good wishes,

Yours sincerely,

Tek Bahadur Limbu

System Administrator

(TAG/TDG Group)
Jwl Systems Department

Worldlink Communications Pvt. Ltd.

Jawalakhel, Nepal

http://www.wlink.com.np

http://teklimbu.wordpress.com