Dell Networking S6000 Uživatelský manuál stáhnout pdf (Strana 935)

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NOTE: You must configure all virtual routers in the VRRP group the same: you must enable

authentication with the same password or authentication is disabled.

To configure simple authentication, use the following command.

• Configure a simple text password.

INTERFACE-VRID mode

authentication-type simple [encryption-type] password

Parameters:

– encryption-type: 0 indicates unencrypted; 7 indicates encrypted.

– password: plain text.

Examples of the authentication-type Command

The bold section shows the encryption type (encrypted) and the password.

Dell(conf-if-gi-1/1-vrid-111)#authentication-type ?

Dell(conf-if-gi-1/1-vrid-111)#authentication-type

simple 7 force10

The following example shows verifying the VRRP authentication configuration using the show conf

command. The bold section shows the encrypted password.

Dell(conf-if-gi-1/1-vrid-111)#show conf

vrrp-group 111

authentication-type simple 7 387a7f2df5969da4

priority 255

virtual-address 10.10.10.1

virtual-address 10.10.10.2

virtual-address 10.10.10.3

virtual-address 10.10.10.10

Dell(conf-if-gi-1/1-vrid-111)#

Disabling Preempt

The preempt command is enabled by default. The command forces the system to change the MASTER

router if another router with a higher priority comes online.

Prevent the BACKUP router with the higher priority from becoming the MASTER router by disabling

preempt.

NOTE: You must configure all virtual routers in the VRRP group the same: you must configure all

with preempt enabled or configure all with preempt disabled.

Because preempt is enabled by default, disable the preempt function with the following command.

• Prevent any BACKUP router with a higher priority from becoming the MASTER router.

INTERFACE-VRID mode

no preempt

Examples of Disabling Preempt

Re-enable preempt by entering the preempt command. When you enable preempt, it does not display in

the

show commands, because it is a default setting.

Virtual Router Redundancy Protocol (VRRP)

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