module: ietf-dhcpv6-relay
  +--rw dhcpv6-relay
     +--rw enabled?      boolean
     +--rw relay-if* [if-name]
     |  +--rw if-name                if:interface-ref
     |  +--rw enabled?               boolean
     |  +--rw destination-address*   inet:ipv6-address
     |  +--rw link-address?          inet:ipv6-address
     |  +--rw relay-options
     |  |  +--rw auth-option
     |  |  |  +--rw algorithm?                      uint8
     |  |  |  +--rw rdm?                            uint8
     |  |  |  +--rw replay-detection?               uint64
     |  |  |  +--rw (protocol)?
     |  |  |     +--:(conf-token)
     |  |  |     |  +--rw token-auth-information?   binary
     |  |  |     +--:(rkap)
     |  |  |        +--rw datatype?                 uint8
     |  |  |        +--rw auth-info-value?          binary
     |  |  +--rw interface-id-option
     |  |     +--rw interface-id?   binary
     |  +--rw statistics
     |  |  +--rw discontinuity-time?
     |  |  |       yang:date-and-time
     |  |  +--ro solicit-received-count?
     |  |  |       yang:counter32
     |  |  +--ro advertise-sent-count?
     |  |  |       yang:counter32
     |  |  +--ro request-received-count?
     |  |  |       yang:counter32
     |  |  +--ro confirm-received-count?
     |  |  |       yang:counter32
     |  |  +--ro renew-received-count?
     |  |  |       yang:counter32
     |  |  +--ro rebind-received-count?
     |  |  |       yang:counter32
     |  |  +--ro reply-sent-count?
     |  |  |       yang:counter32
     |  |  +--ro release-received-count?
     |  |  |       yang:counter32
     |  |  +--ro decline-received-count?
     |  |  |       yang:counter32
     |  |  +--ro reconfigure-sent-count?
     |  |  |       yang:counter32
     |  |  +--ro information-request-received-count?
     |  |  |       yang:counter32
     |  |  +--ro unknown-message-received-count?
     |  |  |       yang:counter32
     |  |  +--ro unknown-message-sent-count?
     |  |  |       yang:counter32
     |  |  +--ro discarded-message-count?
     |  |          yang:counter32
     |  +--rw prefix-delegation! {prefix-delegation}?
     |     +--ro pd-leases* [ia-pd-prefix]
     |        +--ro ia-pd-prefix           inet:ipv6-prefix
     |        +--ro last-renew?            yang:date-and-time
     |        +--ro client-peer-address?   inet:ipv6-address
     |        +--ro client-duid?           dhc6:duid
     |        +--ro server-duid?           dhc6:duid
     +--rw statistics
        +--ro relay-forward-sent-count?
        |       yang:counter32
        +--ro relay-forward-received-count?
        |       yang:counter32
        +--ro relay-reply-received-count?
        |       yang:counter32
        +--ro relay-forward-unknown-sent-count?
        |       yang:counter32
        +--ro relay-forward-unknown-received-count?
        |       yang:counter32
        +--ro discarded-message-count?
                yang:counter32

  rpcs:
    +---x clear-prefix-entry {prefix-delegation}?
    |  +---w input
    |  |  +---w lease-prefix    leafref
    |  +--ro output
    |     +--ro return-message?   string
    +---x clear-client-prefixes {prefix-delegation}?
    |  +---w input
    |  |  +---w client-duid    dhc6:duid
    |  +--ro output
    |     +--ro return-message?   string
    +---x clear-interface-prefixes {prefix-delegation}?
       +---w input
       |  +---w interface    -> /dhcpv6-relay/relay-if/if-name
       +--ro output
          +--ro return-message?   string

  notifications:
    +---n relay-event
       +--ro topology-change
          +--ro relay-if-name?
          |       -> /dhcpv6-relay/relay-if/if-name
          +--ro last-ipv6-addr?   inet:ipv6-address