GSS - Reverse Lookups

Unanswered Question
Aug 5th, 2007

Hi Gilles,


This is the TCPDUMP from one of the GSS.Could you please explain the GSS behaviour i.e GSS communicating to the DNS.


10.53.234.14 - GSS1

10.53.234.13 - GSS2

10.53.220.6 - DNS

12:45:23.359512 IP 10.53.234.14.53833 > 10.53.220.6.domain: 50033+ PTR? 13.220.53.10.in-addr.arpa. (44)

12:45:23.360639 IP 10.53.220.6.domain > 10.53.234.14.53833: 50033 NXDomain 0/1/0 (114)

12:45:24.369337 IP 10.53.234.14.53833 > 10.53.220.6.domain: 7659+ PTR? 13.220.53.10.in-addr.arpa. (44)

12:45:24.370533 IP 10.53.220.6.domain > 10.53.234.14.53833: 7659 NXDomain 0/1/0 (114)

12:45:39.762310 IP 10.53.234.14.53833 > 10.53.220.6.domain: 7926+ PTR? 13.220.53.10.in-addr.arpa. (44)

12:45:39.763467 IP 10.53.220.6.domain > 10.53.234.14.53833: 7926 NXDomain 0/1/0 (114)

12:45:54.437849 IP 10.53.234.14.53833 > 10.53.220.6.domain: 4460+ PTR? 13.220.53.10.in-addr.arpa. (44)

12:45:54.438966 IP 10.53.220.6.domain > 10.53.234.14.53833: 4460 NXDomain 0/1/0 (114)

12:45:54.444475 IP 10.53.234.14.53833 > 10.53.220.6.domain: 30534+ PTR? 13.220.53.10.in-addr.arpa. (44)

12:45:54.445594 IP 10.53.220.6.domain > 10.53.234.14.53833: 30534 NXDomain 0/1/0 (114)

12:46:25.560027 IP 10.53.234.14.53833 > 10.53.220.6.domain: 13504+ PTR? 13.220.53.10.in-addr.arpa. (44)

12:46:25.561171 IP 10.53.220.6.domain > 10.53.234.14.53833: 13504 NXDomain 0/1/0 (114)

12:46:26.576920 IP 10.53.234.14.53833 > 10.53.220.6.domain: 29378+ PTR? 13.220.53.10.in-addr.arpa. (44)

12:46:26.578107 IP 10.53.220.6.domain > 10.53.234.14.53833: 29378 NXDomain 0/1/0 (114)

12:46:39.801375 IP 10.53.234.14.53833 > 10.53.220.6.domain: 34188+ PTR? 13.220.53.10.in-addr.arpa. (44)

12:46:39.802295 IP 10.53.220.6.domain > 10.53.234.14.53833: 34188 NXDomain 0/1/0 (114)

12:46:56.683399 IP 10.53.234.14.53833 > 10.53.220.6.domain: 53979+ PTR? 13.220.53.10.in-addr.arpa. (44)

12:46:56.685489 IP 10.53.220.6.domain > 10.53.234.14.53833: 53979 NXDomain 0/1/0 (114)

12:46:56.691022 IP 10.53.234.14.53833 > 10.53.220.6.domain: 13481+ PTR? 13.220.53.10.in-addr.arpa. (44)

12:46:56.692109 IP 10.53.220.6.domain > 10.53.234.14.53833: 13481 NXDomain 0/1/0 (114)



Thanks in advance

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irisrios Fri, 08/10/2007 - 06:48

To successfully configure High Availability(HA) DNS on a GSS appliance, use the Network Registrar CLI to create a new dns-interface object, and use the public IP address and netmask of the appliance. Set the port to any port other than the standard 53; for example, 50053.

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