Hello, I have ASG220 and 2 ISP connections: ISP1 and ISP2.
Default gateway is set to the gateway of ISP1.
I have two networks: LAN and DMZ.
Web server in DMZ is used by people in the web (by DNAT rules).
There are an IPSEC VPN (other side has static IP) and a L2TP over IPSEC Remote Access (other side has dynamic IP).
I need these conditions to be true:
1) LAN and DMZ networks reach internet through ISP1
2) a user calling http://isp1_address must be answered through ISP1
3) a user calling http://isp2_address must be answered through ISP2
4) VPN must work only on ISP2.
5) Remote Access must work only on ISP2.
After lot of attempts:
- Not using uplink balancing or using uplink balancing with failover, 3 and 5 are false (4 is true because of a static route rule): everything goes out from ISP1.
- Using uplink balancing with multipath, all conditions are false: a user calling an ISP1's IP will be answered through ISP1 or ISP2 and if system choose ISP2 nothing works!
Basically, I think I need something like "if someone comes from ISP1, answer him through ISP1 and if someone comes from ISP2, answer him through ISP2".
But I don't know how to solve this problem.
Thank you very much for every suggestion.
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