Vrrp Vrid Preempt-Mode - H3C WX Series Command Reference Manual

virtual-router-id: VRRP group number, which ranges from 1 to 255.
md5: Authentication using the MD5 algorithm.
simple: Plain text authentication mode.
key: Authentication key, which is case-sensitive.
When md5 authentication applies, the authentication key is in MD5 cipher text or in plain text and
•
the length of the key depends on its input format. If the key is input in plain text, its length is 1 to 8
characters, such as 1234567. If the key is input in cipher text, its length must be 24 characters, such
as _(TT8F]Y\5SQ=^Q`MAF4<1!!.
• When simple authentication applies, the authentication key is in plain text with a length of 1 to 8
characters.
Description
Use vrrp vrid authentication-mode to configure authentication mode and authentication key for a VRRP
group to send and receive VRRP packets.
Use undo vrrp vrid authentication-mode to restore the default.
By default, authentication is disabled.
Before executing the command, create a VRRP group on an interface and configure the virtual IP address
of the VRRP group.
You might configure different authentication modes and authentication keys for the VRRP groups on an
interface. However, the members of the same VRRP group must use the same authentication mode and
authentication key.
Related commands: display vrrp.
Examples
# Set the authentication mode to simple and authentication key to Sysname for VRRP group 1 on
VLAN-interface 2 to send and receive VRRP packets.
<Sysname> system-view
[Sysname] interface vlan-interface 2
[Sysname-Vlan-interface2] vrrp vrid 1 virtual-ip 10.1.1.1
[Sysname-Vlan-interface2] vrrp vrid 1 authentication-mode simple Sysname

vrrp vrid preempt-mode

Syntax
vrrp vrid virtual-router-id preempt-mode [ timer delay delay-value ]
undo vrrp vrid virtual-router-id preempt-mode [ timer delay ]
View
Interface view
Default level
2: System level
Parameters
virtual-router-id: Virtual router ID or VRRP group number, which ranges from 1 to 255.
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