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You need to configure a GRE tunnel on a IPSec router. When you are using the SDM to configurea GRE tunnel over IPsec， which two parameters are required when defining the tunnel interfaceinformation？（）

  • A、The crypto ACL number
  • B、The IPSEC mode （tunnel or transport）
  • C、The GRE tunnel interface IP address
  • D、The GRE tunnel source interface or IP address， and tunnel destination IP address
  • E、The MTU size of the GRE tunnel interface

参考答案

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