This is my layout:
- 1 remote site equipped with an ASL 4.021 10ip using an ADSL with a 6 ip public subnet.
- 1 central site equipped with an ASL 4.021 25ip using:
* (a) ADSL with 1 public ip (for generic surfing for the lan)
* (b) HDSL with a 6 ip public subnet (for a VPN connection to remote site)
Here is the problem:
1) I've configured internal nic (eth0) of ASL with a private ip and ARP on: everything is ok.
2) I've set-up a second interface (eth1 = EXTERNAL_ADSL) with a different private ip, connected to ADSL router; in this way I have router natting & ASL natting too: defining masquerading rule everything is ok and my lan can access the Internet.
3) I've set-up a third interface (eth2 = EXTERNAL_HDSL) with one of my public ip, connected to HDSL router; in this way I have HDSL router bridging traffic on ASL eth2, without natting; when I turn on this eth2, no way to see any VPN tunnel. After this I turned off for awhile eth1 (EXTRENAL_ADSL interface) and I restarted VPN: my tunnel came up strong & clear, with remote site; If I reactivate eth1, my VPN tunnel stops working.
Please anybody could tell me where I'm wrong ? ISP said me that everything is ok !
Maybe there is some routing problem ... but I'm a newbie.
Thank in advance for any suggestion !
Alex
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