Cisco MDS 9000 Series Configuration Manual page 228

Default Settings
Parameters
IKE DH group identifier
IKE lifetime association
IKE keepalive time for each peer (v2)
The following table lists the default settings for IPsec parameters.
Table 16: Default IPsec Parameters
Parameters
IPsec
Applying IPsec to the traffic.
IPsec PFS
IPsec global lifetime (traffic-volume)
IPsec global lifetime (time)
Cisco MDS 9000 Series Security Configuration Guide, Release 8.x
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Default
Group 1.
86,400 00 seconds (equals 24 hours).
3,600 seconds (equals 1 hour).
Default
Disabled.
Deny—allowing clear text.
Disabled.
450 Gigabytes.
3,600 seconds (one hour).
Configuring IPSec Network Security