Task
Configure GRE tunnels with NAT on Zscaler router
Configure Branch vEdges for routing all traffic to Zscaler Cloud Router. This solution should be implemented by service chaining.
Configuration
interface Tunnel1
Description BranchA-vEdge01
ip address 192.0.0.1 255.252
ip nat inside
ip virtual-reassembly
Tunnel source Ethernet0/0
tunnel destination 1.1.1.6
End
!
interface Tunnel2
Description BranchB-vEdge01
ip address 192.0.0.5 255.252
ip nat inside
ip virtual-reassembly
Tunnel source Ethernet0/0
tunnel destination 1.1.1.7
End
Task2:
Configuration –a Templates –a Feature –a Select vEdge cloud a Select VPN Interface GRE. -a Give Name and Description -a Change the Default State from Down To UP –a Configure Destination IP. -a Source Interface. -a IPv4 Address of tunnel (keep it Variable). -a Save
This new feature template can be attached to your existing Device Template.
Configuration –a Templates –a Device –a Search your template –a Click on 3 dots –a Edit a Click on plus (+) VPN Interface GoogleRE -a Select your feature templates -a Update a Fill your GRE IP information.
Verification:
If everything is fine, you should be able to see your GRE status increase.
