Which cause is most likely?

Refer to the exhibit.

A network security engineer is troubleshooting intermittent connectivity issues across a tunnel. Based on the output from the show crypto ipsec sa command, which cause is most likely?
A. Return traffic is not coming back from the other end of the tunnel.
B. Traffic may flow in only one direction across this tunnel.
C. ISAKMP and/or IPsec may be bouncing up and down
D. The security association lifetimes are set to default values.

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7 thoughts on “Which cause is most likely?

  1. D is correct

    Default in lab:
    sh crypto ipsec security-association lifetime
    Security association lifetime: 4608000 kilobytes/3600 seconds

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