Network connectivity over the IPsec tunnel fails in Red Hat Enterprise Linux 6
Issue
- Network connectivity over the IPsec tunnel fails in Red Hat Enterprise Linux 6. Openswan establishes the tunnel successfully but command like ping fails. Local machine does not respond for a incoming ping request. Incoming packets can be seen over the tcpdump
Environment
- Red Hat Enterprise Linux 6
- ip xfrm to do the manual keying
- openswan
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