rs2/ipv4: show protocols all pb_4_pch_as3856_1

pb_4_pch_as3856_1 BGP --- up 2019-03-18 Established

Description:    Packet Clearing House 1
  BGP state:          Established
    Neighbor address: 86.104.125.63
    Neighbor AS:      3856
    Neighbor ID:      66.102.34.4
    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
    Session:          external route-server AS4
    Source address:   86.104.125.2
    Hold timer:       171.686/180
    Keepalive timer:  53.583/60
  Channel ipv4
    State:          UP
    Table:          t_4_pch_as3856_1
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   20
      Action:       restart
    Routes:         1 imported, 74031 exported
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              1          0          0          0          1
      Import withdraws:            0          0        ---          0          0
      Export updates:        4651427          1    1701141        ---    2950285
      Export withdraws:      2150381        ---        ---        ---     815534
    BGP Next hop:   86.104.125.2