HP Cisco MDS 9140 Cisco MDS 9000 Family Command Reference Guide - Release 4.x - Page 264
crypto ca authenticate
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crypto ca authenticate Chapter 4 C Commands Send documentation comments to [email protected] crypto ca authenticate To associate and authenticate a certificate of the certificate authority (CA) and configure its CA certificate (or certificate chain), use the crypto ca authenticate command in configuration mode. The CA certificate or certificate chain is assumed to already be available in Privacy Enhanced Mail (PEM) (base-64) encoded format. crypto ca authenticate trustpoint-label Syntax Description trustpoint-label Specifies the name of the trust point. The maximum size is 64 characters. Defaults None. Command Modes Configuration mode. Command History Release 3.0(1) Modification This command was introduced. Usage Guidelines This command authenticates the CA to the switch by obtaining the self-signed certificate of the CA that contains the public key of the CA. Because the CA signs its own certificate, you should manually authenticate the public key of the CA by contacting the CA administrator when you execute this command. This command is required when you initially configure certificate authority support for the switch. Before you attempt CA authentication, first create the trust point using the crypto ca trustpoint command. The CA certificate fingerprint (the MD5 or SHA hash of the certificate) is generally published by the CA. When authenticating the CA, the certificate fingerprint is displayed. The administrator needs to compare it with the one published by the CA and accept the CA certificate only if it matches. If the CA being authenticated is a subordinate CA (meaning that is is not self-signed), then it is certified by another CA which in turn may be certified by yet another CA and so on until there is a self-signed CA. In this case, the subordinate CA in question is said to have a CA certificate chain certifying it. The entire chain must be input during CA authentication. The maximum length that the CA certificate chain supports is ten. The trust point CA is the certificate authority configured on the switch as the trusted CA. Any peer certificate obtained will be accepted if it is signed by a locally trusted CA or its subordinates. Note The trust point configuration (created by the crypto ca trustpoint command) is persistent only if saved explicitly using the copy running-config startup-config command. The certificates and CRL associated to a trust point are automatically made persistent if the trust point in question was already saved in the startup configuration. Conversely, if the trust point was not saved in the startup configuration, the certificates and CRL associated to it are not made persistent automatically because they do not exist without the corresponding trust point after the switch reboots. 4-124 Cisco MDS 9000 Family Command Reference OL-18089-01, Cisco MDS NX-OS Release 4.x
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