Manual
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binding,  but  does  not  limit  the  static  binding 
number. 
52.3 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
Client_2
Ethernet1/13Ethernet1/12
Switch2 Switch1
Ethernet1/1 Ethernet1/2
Switch3
Client_1 and  Client_2  means two  different user’s PC installed  IPv6  protocol, respectively 










