Specifications

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15-11
Cisco Nexus 3000 Series NX-OS Unicast Routing Configuration Guide, Release 5.0(3)U2(2)
OL-25782-02
Chapter 15 Configuring VRRP
Configuring VRRP
Configuring VRRP Authentication
You can configure simple text authentication for a VRRP group.
BEFORE YOU BEGIN
Ensure that the authentication configuration is identical for all VRRP switches in the network.
Ensure that you have enabled the VRRP feature (see the “Configuring VRRP” section on page 15-7).
Ensure that you have configured an IP address on the interface (see the “Configuring IPv4 Addressing”
section on page 2-7.
SUMMARY STEPS
1. configure terminal
2. interface interface-type slot/port
3. no switchport
4. vrrp number
5. shutdown
6. authentication text password
7. no shutdown
8. (Optional) show vrrp
9. (Optional) copy running-config startup-config
Step 6
priority level [forwarding-threshold lower
lower-value upper upper-value]
Example:
switch(config-if-vrrp)# priority 60
forwarding-threshold lower 40 upper 50
Sets the priority level used to select the active
router in an VRRP group. The level range is
from 1 to 254. The default is 100 for backups
and 255 for a master that has an interface IP
address equal to the virtual IP address.
Step 7
no shutdown
Example:
switch(config-if-vrrp)# no shutdown
switch(config-if-vrrp)#
Enables the VRRP group. Disabled by default.
Step 8
show vrrp
Example:
switch(config-if-vrrp)# show vrrp
(Optional) Displays a summary of VRRP
information.
Step 9
copy running-config startup-config
Example:
switch(config-if-vrrp)# copy running-config
startup-config
(Optional) Saves this configuration change.
Command Purpose