spb-rs2/ipv4: show protocols all cdcua

cdcua BGP --- up 2021-04-08 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:       140.077/180
    Keepalive timer:  33.995/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         34 imported, 0 filtered, 101108 exported, 28 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             36          0          0          0         36
      Import withdraws:            2          0        ---          0          2
      Export updates:        1045308         34         35        ---    1045239
      Export withdraws:       167318        ---        ---        ---     167325
    BGP Next hop:   185.1.153.0