Dell PowerSwitch S4112F-ON OS10 Enterprise Edition User Guide Release 10.4.1.0 - Page 477
authentication-type, preempt, priority
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authentication-type Enables authentication of VRRP data exchanges. Syntax Parameters authentication-type simple-text password [auth-text] • simple-text password - Enter a simple text password. • auth-text - (Optional) Enter a character string up to eight characters long as a password. Default Command Mode Usage Information Example Disabled INTERFACE-VRRP With authentication enabled, OS10 ensures that only trusted routers participate in routing in an autonomous network. The no version of this command disables authentication of VRRP data exchanges. OS10(conf-ethernet1/1/6-vrid-250)# authentication simple-text eureka Supported Releases 10.2.0E or later preempt Permits (preempts) a backup router with a higher priority value to become the master router. Syntax preempt Parameters None Default Enabled Command Mode INTERFACE-VRRP Usage Information VRRP uses preempt to determine what happens after a VRRP backup router becomes the Master. With preempt enabled by default, VRRP switches to a backup if that backup router comes online with a priority higher than the new Master router. If you disable preempt, VRRP switches only if the original Master recovers or the new Master fails. The no version of this command disables preemption. Example OS10(conf-eth1/1/5-vrid-254)# preempt Supported Releases 10.2.0E or later priority Assigns a VRRP priority value for the VRRP group. The VRRP uses this value during the master election process. Syntax Parameters Default Command Mode Usage Information priority number number - Enter a priority value (1 to 254). 100 INTERFACE-VRRP To guarantee that a VRRP group becomes master, configure the VRRP group's virtual address with same IP address as the interface's primary IP address, and change the priority of the VRRP group to 255. If you set this Layer 3 477
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