Answer / sami

Tunnel Mode - Entire IPSEC process is transparent to end
hosts, and specialized gateway handles the IPSEC Workload

In Tunnel Mode, 1st Encrypts the entire IP packet and its
placed into another IP packet.

Means we have 2 IP addresses.
1.ip address on inside (encapsulated Packet)
2. Outside (Encapsulting packet - Tunnel endpoint IP
address) and these IP address will used to route packet


Transport Mode
It encrypts the IP Payload, no protection is original IP address
Transport layer is protected by IPSEC

what is the need og jitu(config)#ip helper address <ip address> can any one exaplain it briefly specially shain i am looking towards you.Becoz you are the only one who can solve my that problem not even jitendera sinha

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What are the advantages of using switches?

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