SGS-6340 Series User Manual

54-10
54.3 SAVI Typical Application
In actual application, SAVI function is usually applied in access layer switch to check the validity of node
source address on direct-link. There are four typical application scenes for SAVI function: DHCP-Only,
Slaac-Only, DHCP-Slaac and Static binding. In network environment, users can select the corresponding
scene according to the actual requirement; in double stacks network, while SAVI function associates with IPv4
DHCP snooping to use, IPv4 and IPv6 source address authentication is implemented.
Typical network topology application for SAVI function:
Client_1 and Client_2 means two different user’s PC installed IPv6 protocol, respectively connect with port
Ethernet1/12 of Switch1 and port Ethernet1/13 of Switch2, and enable the source address check function of
SAVI. Ethernet1/1 and Ethernet1/2 are uplink ports of Switch1 and Switch2 respectively, enable DHCP trust
and ND trusted functions. Aggregation Switch3 enables DHCPv6 server function and route advertisement
function.
Configuration steps of SAVI DHCP-SLAAC scene: