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xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch
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VRRP Authentication Settings
The VRRP Authentication Settings window is used to set the authentication for each Interface configured for VRRP. This
authentication is used to identify incoming message packets received by a router. If the authentication is not consistent with
incoming packets, they will be discarded. The Authentication Type must be consistent with all routers participating within the
VRRP group.
To view the following window, click L3 Features > VRRP > VRRP Authentication Settings.
Figure 8- 60. VRRP Authentication Settings window
To configure the authentication for a pre-created interface, click its hyperlinked name, revealing the following window to
configure:
Figure 8- 61. VRRP Authentication Settings – Edit window
The following parameters may be viewed or configured:
Parameter Description
Interface Name
The name of a previously created IP interface for which to configure the VRRP
authentication.
Authentication Type
Specifies the type of authentication used. The Authentication Type must be consistent with
all routers participating within the VRRP group. The choices are:
• None - Selecting this parameter indicates that VRRP protocol exchanges will not be
authenticated.
• Simple - Selecting this parameter will require the user to set a simple password in
the Auth. Data field for comparing VRRP message packets received by a router. If
the two passwords are not exactly the same, the packet will be dropped.
• IP - Selecting this parameter will require the user to set a MD5 message digest for
authentication in comparing VRRP messages received by the router. If the two
values are inconsistent, the packet will be dropped.
Authentication Data
This field is only valid if the user selects Simple or IP in the Authentication Type field.
• Simple will require the user to enter an alphanumeric string of no more than eight
characters to identify VRRP packets received by a router.
• IP will require the user to enter a MD5 message digest for authentication in
comparing VRRP messages received by the router.
This entry must be consistent with all routers participating in the same IP interface.
Click Apply to implement changes made.