spb-rs1/ipv4: show protocols all cdcua

cdcua BGP --- up 2021-07-15 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:   185.1.152.255
    Hold timer:       148.957/180
    Keepalive timer:  52.248/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   500
      Action:       disable
    Routes:         36 imported, 0 filtered, 105237 exported, 30 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            185          0          0         97         88
      Import withdraws:           52          0        ---          0         52
      Export updates:        1325263         88        107        ---    1325068
      Export withdraws:       319994        ---        ---        ---     320020
    BGP Next hop:   185.1.152.255