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Can I Configure Dataguard using Network Address translation ? [message #411343]

Fri, 03 July 2009 02:50

dba4bank
Messages: 49
Registered: October 2007
Location: TURKEY

Member

Hi,

Can i configure oracle dataguard between 2 server primary and standby with both having same physical ip address?

We are going to use same physical address for both server (pri&sec), we will perform a Network Address translation (NAT) between the 2 machine , such that primar server see secondary as another ip address (using NAT) and secondary server see primary as another ip address(using NAT)

Regards,

Gokhan Dedeler.

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Re: Can I Configure Dataguard using Network Address translation ? [message #411432 is a reply to message #411343]

Fri, 03 July 2009 09:56

BlackSwan
Messages: 26766
Registered: January 2009
Location: SoCal

Senior Member

>Can i configure oracle dataguard between 2 server primary and standby with both having same physical ip address?

Can not/should NOT be done.

How will DB clients communicate with "correct" host?

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Re: Can I Configure Dataguard using Network Address translation ? [message #411668 is a reply to message #411432]

Mon, 06 July 2009 05:15

babuknb
Messages: 1736
Registered: December 2005
Location: NJ

Senior Member

>>Can i configure oracle dataguard between 2 server primary and standby with both having same physical ip address?

One question; If primary and secondary both are same domain. Then IP Conflict should comes;

Or can you share with us why you want use same IP address??

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Re: Can I Configure Dataguard using Network Address translation ? [message #411693 is a reply to message #411668]

Mon, 06 July 2009 06:10

dba4bank
Messages: 49
Registered: October 2007
Location: TURKEY

Member

Hi,

>>can you share with us why you want use same IP address??

We are planing to move all application servers and all databases to DRC side.
And Our applications is related with IP. But I think we have to use diffrent IP from Production.There is no way to do this with dataguard on the same domain.

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Re: Can I Configure Dataguard using Network Address translation ? [message #411695 is a reply to message #411693]

Mon, 06 July 2009 06:21

babuknb
Messages: 1736
Registered: December 2005
Location: NJ

Senior Member

Thanks for the details.

>>There is no way to do this with dataguard on the same domain

Yes your correct.

Babu

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Re: Can I Configure Dataguard using Network Address translation ? [message #419194 is a reply to message #411695]

Thu, 20 August 2009 06:03

dba4bank
Messages: 49
Registered: October 2007
Location: TURKEY

Member

Hi all,
I have forget one detail.We will use a nat IP to reach other database server.We have created listener on both server with same IP,port and sid.I can connect both side.I have concern about this issue.Is it dangerous for us and what kind of problem do I get ?

example;

Prod server physical IP= 146.0.0.1
standby server physical IP= 146.0.0.1
NAT IP to reach from prod to stby=133.0.0.1
NAT IP to reach from stby to prod=133.0.0.2

They are not on same domain.

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