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DES-7200 Configuration Guide Chapter 1 VRRP Configuration
1-5
the secondary parameter is not used, the IP address set here will become the master
IP address of the virtual router.
Note
If the virtual IP address (Primary or Secondary) of the VRRP group is
the same as the IP address (Primary or Secondary) of the Ethernet
interface, it is considered that the VRRP group occupies the actual IP
address of the Ethernet interface, and the priority of the VRRP group is
255. If the corresponding Ethernet interface is available, the VRRP
group will become the Master status automatically.
For NMX-2GEH line card, each interface supports up to 14 VRRP
backup groups. It will prompt the error if the number of VRRP group
exceeds 14.
1.3.3 Setting the Authentication
String for the VRRP Backup
Group
The VRRP supports plaintext password authentication mode and no authentication
mode. When the authentication string is set for the VRRP backup group, it is also
required to set the VRRP group to be in the plaintext password authentication mode.
The members in the VRRP group must be in the same authentication mode for normal
communication. In the plaintext authentication mode, the routers in the same VRRP
group must have the same authentication password configured. The plaintext
authentication password cannot provide security. It aims only to prevent/prompt the
incorrect VRRP configuration.
Command Purpose
DES-7200(config-if)# vrrp group
authentication
string
Set the authentication string of the VRRP.
DES-7200(config-if)# no vrrp group
authentication
Set no authentication for VRRP.
By default, the VRRP is in the no authentication mode. For the plaintext password
authentication mode, the length of the plaintext authentication mode cannot be greater
than 8 bytes.
1.3.4 Setting the Advertisement
Interval of the VRRP
Backup Group
Command Purpose