VRRP
Router Configuration Guide 379
Authentication Failure
Any received VRRP advertisement message that fails authentication must be silently
discarded with an invalid authentication counter incremented for the ingress virtual router
instance.
Authentication Data
This feature is different than the VRRP advertisement message field with the same name.
This is any required authentication information that is pertinent to the configured
authentication type. The type of authentication data used for each authentication type is listed
in Table 31.
Virtual MAC Address
The MAC address can be used instead of an IP address in ARP responses when the virtual
router instance is master. The MAC address configuration must be the same for all virtual
routers participating as a virtual router or indeterminate connectivity by the attached IP hosts
will result. All VRRP advertisement messages are transmitted with ieee-mac-addr as the
source MAC.
VRRP Advertisement Message IP Address List Verification
VRRP advertisement messages contain an IP address count field that indicates the number of
IP addresses listed in the sequential IP address fields at the end of the message.
The Alcatel-Lucent routers implementation always logs mismatching events. The decision on
where and whether to forward the generated messages depends on the configuration of the
event manager.
Table 31: Authentication Data Type
Authentication Type Authentication Data
0 None, authentication is not
performed
1 Simple text password
consisting of 8 octets
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