spb-rs1/ipv4: show protocols all medianet

medianet BGP --- start 2019-12-04 Passive

Description:    medianet/205226/AS205226/via MediaNet
  BGP state:          Passive
    Neighbor address: 185.1.152.22
    Neighbor AS:      205226
  Channel ipv4
    State:          DOWN
    Table:          rib4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable