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Quick Configs Juniper - AWS IPsec Site to Site VPN

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Create a secure link ( IPsec tunnel) between AWS's VPC and On premise DC.

AWS - Creating VPN - Customer & Virtual Private Gateway

1- Create a VPC ( CIDR not overlapping onpremise DC Address )

2- Associate a Security Group with VPC

3- create a Customer gateway or cGW ( point to remote SRX )

1. Static:                              Name, Public IP@ of SRX/DC GW
2. Dynamic: using BGP:      Name, Public IP@ of SRX/DC GW,  AS# ( eBGP session ? )

3- Create a Virtual Private Gateway or vGW ( point to internal AWS infrastructure )

1. Attach to VPC

4- Create a VPN Connection

1. Name,
2. one side: attach to vGW ( point to internal AWS infrastructure )
3. other side: attach to  cGw ( point to remote SRX )
4. Static route or the remote DC ( Private IP@ of DC ) or Dynamic ( BGP will exchange DC IP@ )

5- vSRX configuration

vsrxipsec root / juniper123

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