Group commands

config
    - router router-name
        - [no] rip
            - [no] group group-name 
                - authentication-key [authentication-key | hash-key] [hash | hash2]
                - no authentication-key
                - authentication-type {none | password | message-digest | message-digest-20}
                - no authentication-type
                - check-zero {enable | disable}
                - no check-zero
                - description description-string
                - no description
                - export policy-name [policy-name …(up to 5 max)]
                - no export
                - import policy-name [policy-name …(up to 5 max)]
                - no import
                - message-size max-num-of-routes 
                - no message-size
                - metric-in metric
                - no metric-in
                - metric-out metric
                - no metric-out
                - preference preference
                - no preference
                - receive receive-type
                - no receive
                - send send-type
                - no send
                - [no] shutdown
                - split-horizon {enable | disable}
                - no split-horizon
                - timers update timeout flush
                - no timers