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Sonicwall High Availability

Posted on 2013-06-11
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I would like to setup Sonicwall Non State full High availability.  I have a question on the secondary device.  Do I need to configure the Wan interface or Lan interface or when I configure the primary device and sync all that information will be passed over.
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Question by:mbaez2009
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by:bepsoccer1
ID: 39239197
You need to configure all interfaces with there own IPs, then in the case of fail-over the secondary will take on the Primary's IPs.  The secondary needs this because it needs to A.) talk to Sonicwall for licensing and B.) LAN ip address for you to manage it.
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by:mbaez2009
ID: 39239234
Now if they are going through the same Gateway Modem "Comcast".  Do I have to assign the Wan  a different Static Public IP address.  For the lan if X1 is 192.168.1.1 I can configure X1 on the back up to be 192.168.1.2?  And x6 do the ip address just have to be in the same range it can be 172.19 address?
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bepsoccer1 earned 500 total points
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Yes, your LAN interfaces should probably be on the same subnet since they should also be in the same VLAN for failover.  92.168.1.1and 192.168.1.2 are perfectly acceptable.  Your HA interface, which I'm guessing is your x6 should both be in the same subnet and connected with a cross-over cable.  For the WAN, both need unique public IP addresses, you may need to talk with your ISP about the best way of doing that.
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