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FTOS Configuration Guide for the C-Series - Force10 Networks

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To configure <strong>the</strong> priority of a VRRP group, use <strong>the</strong> following command in <strong>the</strong> VRRP mode:<br />

Command Syntax Command Mode Purpose<br />

priority priority CONFIG-INT-<br />

(slot/port) -VRID<br />

If two routers in a VRRP group come up at <strong>the</strong> same time and contain <strong>the</strong> same priority value, <strong>the</strong><br />

interface’s physical IP addresses are used as tie-breakers to decide which is MASTER. The router with <strong>the</strong><br />

higher IP address will become MASTER.<br />

To view <strong>the</strong> priority of virtual groups, use <strong>the</strong> show vrrp command in <strong>the</strong> EXEC privilege mode.<br />

Figure 313 Command Example: show vrrp<br />

<strong>Force10</strong>>show vrrp<br />

------------------<br />

GigabitE<strong>the</strong>rnet 12/3, VRID: 1, Net: 10.1.1.253<br />

State: Master, Priority: 105, Master: 10.1.1.253 (local)<br />

Hold Down: 0 sec, Preempt: TRUE, AdvInt: 1 sec<br />

Adv rcvd: 0, Adv sent: 1862, Gratuitous ARP sent: 0<br />

Virtual MAC address:<br />

00:00:5e:00:01:01<br />

Virtual IP address:<br />

10.1.1.252<br />

Au<strong>the</strong>ntication: (none)<br />

Tracking states <strong>for</strong> 1 interfaces:<br />

Up GigabitE<strong>the</strong>rnet 12/17 priority-cost 10<br />

<strong>Force10</strong>#<br />

Configure au<strong>the</strong>ntication <strong>for</strong> VRRP<br />

Configure <strong>the</strong> priority <strong>for</strong> <strong>the</strong> VRRP group.<br />

Default: 100.<br />

Range: 1 to 255<br />

Simple au<strong>the</strong>ntication of VRRP packets ensures that only trusted routers participate in VRRP processes.<br />

When you configure au<strong>the</strong>ntication, <strong>FTOS</strong> includes <strong>the</strong> password in its VRRP transmission, and <strong>the</strong><br />

receiving router uses that password to verify <strong>the</strong> transmission.<br />

All virtual routers in <strong>the</strong> VRRP group must be configured <strong>the</strong> same; ei<strong>the</strong>r au<strong>the</strong>ntication is enabled with<br />

<strong>the</strong> same password or it is disabled.<br />

To configure simple au<strong>the</strong>ntication, use <strong>the</strong> following command in <strong>the</strong> VRRP mode:<br />

Command Syntax Command Mode Purpose<br />

au<strong>the</strong>ntication-type simple<br />

[encryption-type] password<br />

CONFIG-INT- (slot/<br />

port) -VRID<br />

Configure a simple text password. You can set <strong>the</strong><br />

optional encryption-type to encrypt <strong>the</strong> password.<br />

436 Virtual Router Redundancy Protocol (VRRP)

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