Dell Brocade G620 Brocade 8.0.1 Fabric OS Administratiors Guide - Page 224
Deleting a DCC policy, DCC policy behavior with Fabric-Assigned PWWNs
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Configuring Security Policies Examples of creating DCC policies To create the DCC policy "DCC_POLICY_server" that includes device 11:22:33:44:55:66:77:aa and port 1 and port 3 of switch domain 1: switch:admin> secpolicycreate "DCC_POLICY_server","11:22:33:44:55:66:77:aa;1(1,3)" DCC_POLICY_server has been created To create the DCC policy "DCC_POLICY_storage" that includes device port WWN 22:33:44:55:66:77:11:bb, all ports of switch domain 2, and all currently connected devices of switch domain 2: switch:admin> secpolicycreate "DCC_POLICY_storage", "22:33:44:55:66:77:11:bb;2[*]" DCC_POLICY_storage has been created To create the DCC policy "DCC_POLICY_abc" that includes device 33:44:55:66:77:11:22:cc and ports 1 through 6 and port 9 of switch domain 3: switch:admin> secpolicycreate "DCC_POLICY_abc", "33:44:55:66:77:11:22:cc;3(1-6,9)" DCC_POLICY_abc has been created To create the DCC policy "DCC_POLICY_example" that includes devices 44:55:66:77:22:33:44:dd and 33:44:55:66:77:11:22:cc, ports 1 through 4 of switch domain 4, and all devices currently connected to ports 1 through 4 of switch domain 4: switch:admin> secpolicycreate "DCC_POLICY_example", "44:55:66:77:22:33:44:dd;33:44:55:66:77:11:22:cc;4[1-4]" DCC_POLICY_example has been created Deleting a DCC policy 1. Connect to the switch and log in using an account with admin permissions, or an account with OM permissions for the Security RBAC class of commands. 2. Enter the secPolicyDelete command. Example of deleting stale DCC policies switch:admin> secpolicydelete ALL_STALE_DCC_POLICY About to clear all STALE DCC policies ARE YOU SURE (yes, y, no, n): [no] y DCC policy behavior with Fabric-Assigned PWWNs A DCC policy check is always performed for the physical port WWN of a device when the HBA has established that the device is attempting a normal FLOGI and has both a fabric-assigned port WWN (FA-PWWN) and a physical port WWN. DCC policies created with FA-PWWNs will result in the disabling of FA-PWWN assigned ports on subsequent FLOGI. It is therefore recommended to create policies with the physical PWWN DCC policies created with the lock down feature result in DCC policies with FA-PWWNs. It is therefore recommended to avoid using the lock down feature in fabrics that are using FA-PWWNs. A DCC policy created with a device WWN for a specific port allows the device to log in only on the same port. The same device will not be allowed to log in on a different port. For devices that log in across an AG, the policy should be created with all the NPIV ports, so even if failover occurs the device will be allowed to log in on a different NPIV port. Table 43 lists the behavior of the DCC policy with FA-PWWNs in the fabric when the DCC policy is created using lockdown support. Brocade Fabric OS Administration Guide, 8.0.1 224 53-1004111-02
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