tll-rs1/ipv4: show protocols all TCENTER

TCENTER BGP --- up 2021-03-31 Established

Description:    TCENTER/62423/AS-TCENTER
  BGP state:          Established
    Neighbor address: 37.9.49.31
    Neighbor AS:      62423
    Local AS:         57936
    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:   37.9.49.100
    Hold timer:       56.757/90
    Keepalive timer:  20.943/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         8 imported, 0 filtered, 90597 exported, 8 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             19          0          0          8         11
      Import withdraws:            1          0        ---          0          1
      Export updates:         771406         11          0        ---     771395
      Export withdraws:       402265        ---        ---        ---     402265
    BGP Next hop:   37.9.49.100