Hi I have to build up a IPSec tunnel with a partner. So at Network -> Interfaces -> eth 1/1 I have my connection to internet with a /28 Net. I call it for example 184.108.40.206/28 net. There the router from my isp is IP 220.127.116.11. I will build up my tunnel on ip .146. Now on the eth 1/1 I define the IP 18.104.22.168/28 so the complete /28 net is set.
On Network -> IKE Gateway I can only chose the local IP Address /28 from interface and not one /32 IP. How can I do this?
When I set a second /32 address I get a routing error. So how must I configure this right way?
If you want to select an address in IKE GW object you must define it on interface first.
If you're just using it for NAT (source or destination) it's not mandatory.
Both ways tell PA for which address it should answer to ARP request.
You simply add another IP to interface. First IP (primary) you define with correct mask (/28 or however it is). All the additional IPs from same subnet come with /32 mask.
To use it in NAT rules you don't have to define it on interface, but you can.
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