spb-rs2/ipv4: show protocols all erth

erth BGP --- up 2021-05-05 Established

Description:    erth/9049/AS-ERTH
  BGP state:          Established
    Neighbor address: 185.1.153.64
    Neighbor AS:      9049
    Local AS:         50817
    Neighbor ID:      188.234.152.203
    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:       74.637/90
    Keepalive timer:  12.523/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   25000
      Action:       disable
    Routes:         6078 imported, 7 filtered, 6621 exported, 5538 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:           7286          0          7          0       7279
      Import withdraws:          643          0        ---          7        643
      Export updates:         512114       6675     491835        ---      13604
      Export withdraws:        97816        ---        ---        ---       4658
    BGP Next hop:   185.1.153.0