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Fung_To_Puk
Participant

Mutiple Cluster with same IP address

Is it ok to have multiple Gateway/Cluster with same IP address and topology?

e.g. gateway A at Production site had mgmt 192.168.0.1/24, eth1(internal) 192.168.1.1/24, eth2(external) 192.168.2.1/24

gateway B at DR site had mgmt 192.168.0.2/24, eth1(internal) 192.168.1.1/24, eth2(external) 192.168.2.1/24

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4 Replies
Chris_Atkinson
Employee Employee
Employee

It's advisable that at least the Management IPs be different unless it's a true _cold_ standby with everything seperate/isolated.

CCSM R77/R80/ELITE
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Fung_To_Puk
Participant

Yes, those will have different mgmt IP, but all other interface will be exact duplicate (both phsical IP and Virtual IP)
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Chris_Atkinson
Employee Employee
Employee

How are they isolated from one another?

Different VLANs / VRFs would be recommended to avoid conflicts if the infrastructure isn't physically separated.

CCSM R77/R80/ELITE
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Fung_To_Puk
Participant

They are at different site, as the DR site is exact duplicate of the production site, everything is the same, except the mgmt network
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