spb-rs2/ipv4: show protocols all SPBGU

SPBGU BGP --- up 2019-03-18 Established

Description:    SPBGU/5495/AS-SPBU
  BGP state:          Established
    Neighbor address: 31.44.186.61
    Neighbor AS:      5495
    Neighbor ID:      172.24.24.106
    Local capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
    Neighbor capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      4-octet AS numbers
      Enhanced refresh
    Session:          external route-server AS4
    Source address:   31.44.186.254
    Hold timer:       127.043/180
    Keepalive timer:  15.162/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         28 imported, 0 filtered, 70481 exported
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            437          0          0        244        193
      Import withdraws:           54          0        ---          0         54
      Export updates:         796630        193       3251        ---     793186
      Export withdraws:       393002        ---        ---        ---     391482
    BGP Next hop:   31.44.186.254