spb-rs2/ipv4: show protocols all cdcua

cdcua BGP --- up 2021-01-19 Established

Description:    cdcua/49588/AS-SDS
  BGP state:          Established
    Neighbor address: 185.1.152.214
    Neighbor AS:      49588
    Local AS:         50817
    Neighbor ID:      176.101.192.5
    Local capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
      Long-lived graceful restart
    Neighbor capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Long-lived graceful restart
    Session:          external route-server AS4
    Source address:   185.1.153.0
    Hold timer:       151.259/180
    Keepalive timer:  34.205/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         31 imported, 0 filtered, 97392 exported, 27 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             97          0          0         62         35
      Import withdraws:            4          0        ---          0          4
      Export updates:         788531         86          6        ---     788439
      Export withdraws:       403292        ---        ---        ---     403350
    BGP Next hop:   185.1.153.0