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44-37
Cisco MDS 9000 Family Fabric Manager Configuration Guide
OL-17256-03, Cisco MDS NX-OS Release 4.x
Chapter 44 Configuring IPsec Network Security
IPsec Maintenance
Step 2 Click the Interfaces tab.
You see the existing interface to crypto map configuration in Figure 44-33.
Figure 44-33 Crypto Map Interfaces
Step 3 Select the switch and interface you want to configure.
Step 4 Enter the name of the crypto map that you want to apply to this interface in the CryptomapSetName field.
Step 5 Click Create to apply the crypto map to the selected interface or click Close to exit the dialog box
without applying the crypto map.
IPsec Maintenance
Certain configuration changes will only take effect when negotiating subsequent security associations.
If you want the new settings to take immediate effect, you must clear the existing security associations
so that they will be reestablished with the changed configuration. If the switch is actively processing
IPsec traffic, it is desirable to clear only the portion of the security association database that would be
affected by the configuration changes (that is, clear only the security associations established by a given
crypto map set). Clearing the full security association database should be reserved for large-scale
changes, or when the router is processing very little other IPsec traffic.
Global Lifetime Values
If you have not configured a lifetime in the crypto map entry, the global lifetime values are used when
negotiating new IPsec SAs.
You can configure two lifetimes: timed or traffic-volume. An SA expires after the first of these lifetimes
is reached. The default lifetimes are 3,600 seconds (one hour) and 450 GB.
If you change a global lifetime, the new lifetime value will not be applied to currently existing SAs, but
will be used in the negotiation of subsequently established SAs. If you wish to use the new values
immediately, you can clear all or part of the SA database.
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