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[Share]Cisco - Mikrotik VPN IPSec on Alibaba ECS (Issue and How to Solve)

Created#
More Posted time:Feb 20, 2019 16:19 PM
Scenario:
Building VPN IPSec site to site (On Premise/Cisco to Alibaba/MikrotikECS)
Number of Policy (more than 1).


Case:
Once Configure VPN IPSec on both Cisco (Crypto, ACL, NAT) and Mikrotik (Peer, Policy, Proposal, Encryption, Algorithm etc) until Established.Problem: Traffic cannot passed both sides.

Suspect:
Action (Level) at Mikrotik is 'Require'

Workaround and it Works.Change Action (Level) on Policy IPsec Mikrotik for each of them to 'Unique'.

Reason: Not yet known :)

Rahman Isnaini
Hybrid Cloud Integration Specialist

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1st Reply#
Posted time:Mar 1, 2019 15:46 PM
Hope you can share the reason(s) once you find out, for sharing :)
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