> # Default Settings

> Table 36-3 lists the default settings for IKE parameters.

> Table 36-3 Default IKE Parameters
> Parameters | Default
> --- | ---
> IKE | Disabled.
> IKE version | IKE version 2.
> IKE encryption algorithm | 3DES.
> IKE hash algorithm | SHA.
> IKE authentication method | Not configurable (uses preshared keys).
> IKE DH group identifier | Group 1.
> IKE lifetime association | 86,400 00 seconds (equals 24 hours).
> IKE keepalive time for each peer (v2) | 3,600 seconds (equals 1 hour).

> Table 36-4 lists the default settings for IPsec parameters.

> Table 36-4 Default IPsec Parameters
> Parameters | Default
> --- | ---
> IPsec | Disabled.
> Applying IPsec to the traffic. | Deny—allowing clear text.
> IPsec PFS | Disabled.
> IPsec global lifetime (traffic-volume) | 450 Gigabytes.
> IPsec global lifetime (time) | 3,600 seconds (one hour).

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