rix-rs2/ipv4: show protocols all tcenter

tcenter BGP --- up 2021-08-05 Established

Description:    tcenter/62423/AS62423
  BGP state:          Established
    Neighbor address: 193.27.39.134
    Neighbor AS:      62423
    Local AS:         49634
    Neighbor ID:      185.36.61.55
    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
    Session:          external route-server AS4
    Source address:   193.27.39.254
    Hold timer:       57.506/90
    Keepalive timer:  13.417/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   500
      Action:       disable
    Routes:         3 imported, 5 filtered, 99448 exported, 3 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             17          0         11          0          6
      Import withdraws:            1          0        ---          7          0
      Export updates:        4754168         12          0        ---    4754156
      Export withdraws:      1890081        ---        ---        ---    1890081
    BGP Next hop:   193.27.39.254