SMC Networks SMC8612XL3 F 1.0.1.3 manual R, 3-231

C ONFIGURING R OUTER R EDUNDANCY
3-231
- The priority for the VRRP group address owner is automatically
set to 255.
- The priority for backup routers is used to determine which router
will take over as the acting master router if the current master fails.
•Authentication Type – Authentication mode used to verify VRRP
packets received from other routers. (Options: None, Simple Text)
- If simple text authentication is selected, then you must also enter
an authentication string.
- All routers in the same VRRP group must be set to the same
authentication mode, and be configured with the same
authentication string.
- Plain text authentication does not provide any real security. It is
supported only to prevent a misconfigured router from
participating in VRRP.
•Authentication String – Key used to authenticate VRRP packets
received from other routers. (Range: 1-8 alphanumeric characters)
- When a VRRP packet is received from another router in the
group, its authentication string is compared to the string
configured on this router. If the strings match, the message is
accepted. Otherwise, the packet is discarded.