spb-rs2/ipv4: show protocols all spbgu

spbgu BGP --- up 2021-10-20 Established

Description:    spbgu/5495/AS-SPBU/via SPBGU
  BGP state:          Established
    Neighbor address: 185.1.152.61
    Neighbor AS:      5495
    Local AS:         50817
    Neighbor ID:      195.70.206.130
    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
      4-octet AS numbers
      Enhanced refresh
    Session:          external route-server AS4
    Source address:   185.1.153.0
    Hold timer:       143.750/180
    Keepalive timer:  15.169/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   500
      Action:       disable
    Routes:         27 imported, 0 filtered, 107253 exported, 27 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             27          0          0          0         27
      Import withdraws:            0          0        ---          0          0
      Export updates:         235510         27        998        ---     234485
      Export withdraws:        86914        ---        ---        ---      86889
    BGP Next hop:   185.1.153.0