Hello! I need technical support. We use sim card in our 4g Modem for S2S IPsec tunnel (TP-Link MR200). It worked normally several years. But 1 moth ago we reset modem configuration, restore config exacly like it was before and IPsec is not working. Phase 1 and Phase 2 are successful, but no traffic. We see from both sides that packets sends via tunnel, but another end of connection not receive any encrypted trffic. Before reset we received ip addresses from 212.66.72.0/21, after reset from185.40.62.0/23. Culd you please help me to understand what is wrong? It is looks like ESP protocol blocked. Is it true?
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