rs2/ipv4: show protocols all pb_6_s3c2_as204641_1

pb_6_s3c2_as204641_1 BGP --- start 2020-02-12 Connect

Description:    S3C 2 1
  BGP state:          Connect
    Neighbor address: 2001:7f8:64:225:0:20:4641:1
    Neighbor AS:      204641
  Channel ipv6
    State:          DOWN
    Table:          t_6_s3c2_as204641_1
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   3000
      Action:       restart