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| -rw-r--r-- | doc/sphinx/uml/radius.uml | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/doc/sphinx/uml/radius.uml b/doc/sphinx/uml/radius.uml new file mode 100644 index 0000000..8baad5b --- /dev/null +++ b/doc/sphinx/uml/radius.uml @@ -0,0 +1,91 @@ +@startuml + +label _ [ + + {{ + title RADIUS workflow for lease allocation in the DHCPv4 server + :Packet Received; + :Subnet Selection; + start + partition "**subnet4_select** callout" { + :Retrieve reservation from host cache for the current host and subnet.; + if (Reservation found?) then (yes) + if (Reservation for a different subnet?) then (yes) + :Reselect the subnet to the one from the reservation.; + else (no) + endif + :Retrieve reservation from host cache again in case the subnet was reselected.; + if (Reservation with cached attributes?) then (yes) + :Use cached attributes from the reservation.; + stop + else (no) + endif + else (no) + endif + :Send Access-Request.; + if (Response) then (Access-Accept) + if (Framed-IP-Address attribute present?) then (yes) + :Reselect subnet to match a subnet the contains the IP address.; + else (no) + endif + if (Framed-IP-Pool attribute present?) then (yes) + :Reselect subnet to match a subnet guarded by the client class.; + :Assign packet to client class represented by the value of Framed-IP-Pool.; + else (no) + endif + :Populate the host cache with the reselected subnet ID and the potential class guard or IP address returned from the RADIUS server.; + else (Access-Reject) + stop + endif + stop + } + partition "**lease4_select**, **lease4_renew**, **lease4_release**, **lease4_decline**, **lease4_expire** callouts" + :Send Accounting-Request asynchronously.; + } + }} + + {{ + title RADIUS workflow for lease allocation in the DHCPv6 server + :Packet Received; + :Subnet Selection; + start + partition "**subnet6_select** callout" { + :Retrieve reservation from host cache for the current host and subnet.; + if (Reservation found?) then (yes) + if (Reservation for a different subnet?) then (yes) + :Reselect the subnet to the one from the reservation.; + else (no) + endif + :Retrieve reservation from host cache again in case the subnet was reselected.; + if (Reservation with cached attributes?) then (yes) + :Use cached attributes from the reservation.; + stop + else (no) + endif + else (no) + endif + :Send Access-Request.; + if (Response) then (Access-Accept) + if (Framed-IPv6-Address attribute present?) then (yes) + :Reselect subnet to match a subnet the contains the IP address.; + else (no) + endif + if (Framed-IP-Pool attribute present?) then (yes) + :Reselect subnet to match a subnet guarded by the client class.; + :Assign packet to client class represented by the value of Framed-IP-Pool.; + else (no) + endif + :Populate the host cache with the reselected subnet ID and the potential class guard or IP address returned from the RADIUS server.; + else (Access-Reject) + stop + endif + stop + } + partition "**lease6_select**, **lease6_renew**, **lease6_rebind**, **lease6_release**, **lease6_decline**, **lease6_expire** callouts" + :Send Accounting-Request asynchronously.; + } + }} + +] + +@enduml |