Configuration commands for OSPF3

config
    - router
        - [no] ospf3
            - [no] area area-id
                - area-range ip-prefix/ipv6 [advertise | not-advertise]
                - no area-range ip-prefix/ipv6
                - [no] blackhole-aggregate
                - [no] interface ip-int-name [secondary]
                    - authentication bidirectional sa-name
                    -  authentication inbound sa-name outbound sa-name
                    - no authentication
                    - bfd-enable [remain-down-on-failure]
                    - no bfd-enable
                    - dead-interval seconds
                    - no dead-interval
                    - hello-interval seconds
                    - no hello-interval
                    - interface-type {broadcast | point-to-point}
                    - no interface-type
                    - lfa-policy-map route-nh-template template-name
                    - no lfa-policy-map
                    - loopfree-alternate-exclude
                    - no loopfree-alternate-exclude
                    - metric metric
                    - no metric
                    - mtu bytes
                    - no mtu
                    - [no] passive
                    - priority number
                    - no priority
                    - retransmit-interval seconds
                    - no retransmit-interval
                    - [no] shutdown
                    - transit-delay seconds
                    - no transit-delay
                - [no] nssa
                    - area-range ip-prefix/ipv6 [advertise | not-advertise]
                    - no area-range ip-prefix/ipv6
                    - originate-default-route [type-7] 
                    - no originate-default-route 
                    - [no] redistribute-external
                    - [no] summaries
                - [no] stub
                    - default-metric metric
                    - no default-metric
                    - [no] summaries
                - [no] virtual-link router-id transit-area area-id
                    - authentication bidirectional sa-name
                    -  authentication inbound sa-name outbound sa-name
                    - no authentication
                    - dead-interval seconds
                    - no dead-interval
                    - hello-interval seconds
                    - no hello-interval
                    - retransmit-interval seconds
                    - no retransmit-interval
                    - [no] shutdown
                    - transit-delay seconds
                    - no transit-delay
            - [no] asbr [trace-path domain-id]
            - export policy-name [ policy-name...(up to 5 max)]
            - no export
            - export-limit number [log percentage]
            - no export-limit
            - external-db-overflow limit seconds
            - no external-db-overflow
            - external-preference preference
            - no external-preference
            - [no] graceful-restart
                - [no] helper-disable
            - [no] ldp-over-rsvp
            - overload [timeout seconds]
            - no overload
            - [no] overload-include-stub
            - overload-on-boot [timeout seconds]
            - no overload-on-boot
            - preference preference
            - no preference
            - reference-bandwidth bandwidth-in-kbps
            - no reference-bandwidth
            - router-id ip-address
            - no router-id
            - [no] shutdown
            - timers
                - [no] lsa-arrival lsa-arrival-time
                - [no] lsa-generate max-lsa-wait [lsa-initial-wait [lsa-second-wait]]
                - [no] spf-wait max-spf-wait [spf-initial-wait [spf-second-wait]]