HP 8/8 Fabric OS Administrator's Guide v6.4.0 (53-1001763-01, June 2010) - Page 189
Secret key pairs for DH-CHAP, Viewing the list of secret key pairs in the current switch database
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Authentication policy for fabric elements 7 When using DH-CHAP, make sure that you configure the switches at both ends of a link. NOTE If you set the authentication protocol to DH-CHAP or FCAP, have not configured shared secrets or certificates, and authentication is checked (for example, you enable the switch), then switch authentication fails. Secret key pairs for DH-CHAP When you configure the switches at both ends of a link to use DH-CHAP for authentication, you must also define a secret key pair-one for each end of the link. Use the secAuthSecret command to perform the following tasks: • View the WWN of switches with a secret key pair. • Set the secret key pair for switches. • Remove the secret key pair for one or more switches. Note the following characteristics of a secret key pair: • The secret key pair must be set up locally on every switch. The secret key pair is not distributed fabric-wide. • If a secret key pair is not set up for a link, authentication fails. The "Authentication Failed" (reason code 05h) error will be reported and logged. • The minimum length of a shared secret is 8 bytes and the maximum length is 40 bytes. NOTE When setting a secret key pair, note that you are entering the shared secrets in plain text. Use a secure channel (for example, SSH or the serial console) to connect to the switch on which you are setting the secrets. Viewing the list of secret key pairs in the current switch database 1. Log in to the switch using an account assigned to the admin role. 2. Enter the secAuthSecret --show command. The output displays the WWN, domain ID, and name (if known) of the switches with defined shared secrets: WWN DId Name 10:00:00:60:69:80:07:52 Unknown 10:00:00:60:69:80:07:5c 1 switchA Setting a secret key pair 1. Log in to the switch using an account assigned to the admin role. 2. Enter the secAuthSecret --set command. The command enters interactive mode. The command returns a description of itself and needed input; then it loops through a sequence of switch specification, peer secret entry, and local secret entry. To exit the loop, press Enter for the switch name; then type y. Fabric OS Administrator's Guide 149 53-1001763-01
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