DHCPv4 subnet selection (Kea 1.8.0)
Relayed
Set address for lookup
Try incoming interface
Try address
Relay address matches subnet
Relay address matches shared network
Check client class
Set relay address
Set client address
Set source address
Interface matches subnet
Interface matches shared network
Check client class
Set interface address
Check subnet prefix
Check client class
Entry point
Try RAI link select
Try subnet selection option
Found a subnet
Found no subnet
Callout subnet4_select
Return a subnet
Return no subnet
Drop query
relayed
not relayed
no match
match
no match
match
compatible
not compatible
try the relay address
has no relay address
has no client address
no suitable address
has a relay address
has a client address
has source address and use unicast
no interface
match
no match
march
no match
compatible
not compatible
has an interface address
no interface address
match
no match
compatible
not compatible
CONTINUE and subnet set
SKIP or subnet not set
DROP