What did the TAC engineer configure incorrectly?

Refer to the exhibit. A new TAC engineer came to you for advice.
A GRE over IPsec tunnel was configured, but the tunnel is not coming up. What did the TAC engineer configure incorrectly?


A. The crypto isakmp configuration is not correct.
B. The crypto map configuration is not correct.
C. The interface tunnel configuration is not correct.
D. The network configuration is not correct; network 172.16.1.0 is missing.

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6 thoughts on “What did the TAC engineer configure incorrectly?

  1. That TAC engineer is rubbish! Haha. He really needs to lab this stuff up so he understands what he is supporting. I would ace it.

    1. Tunnel interface is not wrong – the ACL is wrong on this one as-well but that is not an option.

  2. The crypto isakmp configuration is not correct,
    it should has the 192.168.2.1 instead of 172.16.1.2
    the 172.16.1.2 is the other side ip address of the tunnel.

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