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About svenus1977
svenus1977
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Member since Apr 9, 2023
Apr 15 2023
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Apr 10 2023
10:31 PM
Replying to myself. Turning off the VLAN for Auto VPN does not work in my case. As turning off Auto VPN automatically breaks the IPSec tunnel. I have opened a case to investigate the issues.
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Apr 10 2023
4:28 PM
Thanks @alemabrahao @PhilipDAth for the replies. I think I can get this working and would give it a try: - I have the 2 sites that definitely will be spoke, so should be fine. - I have multiple VLANs. I just need one VLAN to be disabled with AutoVPN, but then use non-Meraki IPsec peer to reach the same "disabled AutoVPN VLAN" on the other site. I have another VLAN that goes back to the AutoVPN that can reach to Hubs. The reason for this complicated design is due to the another issue I posted on the other thread, which AutoVPN enabled VLAN breaks port forwarding. Even I am using split tunnel, I can never get port forwarding to work. And the port forwarding requirement is something I cannot ignore.
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Apr 10 2023
4:24 PM
I'm doing split tunnel, that's why I haven't thought of turning it off until I run out of options and give it a try. By the way, I have multiple VLANs, I just need to turn off AutoVPN for that particular VLAN that needs port forwarding to map to. I can still keep the other required VLAN participating AutoVPN.
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Apr 10 2023
4:22 PM
No, it doesn't look right to me neither. I'll try to see the best option I have now, given that I am using a workaround for production traffic, falling back to the non-working config for troubleshooting is a bit challenging.
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Apr 10 2023
2:37 AM
Hello experts, Can I establish IPSec peer between 2 MXes within the the same org, rather than going onto Auto VPN? I was having issue that Auto VPN breaks the port forwarding config: https://community.meraki.com/t5/Security-SD-WAN/Port-forwarding-not-working-on-MX67/m-p/190775 But eventually, I need to keep the IPSec tunnel going when the other site (currently an old Cisco router, setup as a non-meraki peer between the MX) migrates to the MX. Since I can't use Auto VPN, I wonder if the non-Meraki IPSec peer works for 2 MXes in the same organization. Thanks.
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Labels:
- Labels:
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3rd Party VPN
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Auto VPN
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Firewall
Apr 9 2023
2:41 AM
Found the fix myself. That VLAN if I enable AutoVPN, the port forwarding fails. Port forwarding works once I turn off AutoVPN. Not exactly sure how the two interacts but I may perhaps configure another VLAN for the AutoVPN.
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Apr 9 2023
1:52 AM
My WAN 1 is down so using WAN 2 to test but that should not affect outcome. Have configured port forwarding on matching both links, LAN server confirmed is active. Done a packet capture on both sides, it appears that MX has dropped the SYN/ACK from the server and therefore 3-way handshake not completed. Removed all firewall rules (actually the rules are not blocking anyway), still the same. Any idea why MX is dropping the SYN/ACK only for port forwarding traffic? Other outbound traffic is fine.
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