tll-rs2/ipv4: show protocols all yacloud

yacloud BGP --- up 2021-12-02 Established

Description:    yacloud/200350/AS-YACLOUD
  BGP state:          Established
    Neighbor address: 37.9.49.130
    Neighbor AS:      200350
    Local AS:         57936
    Neighbor ID:      37.140.141.85
    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:   37.9.49.254
    Hold timer:       75.624/90
    Keepalive timer:  14.742/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         15 imported, 0 filtered, 98720 exported, 15 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             15          0          0          0         15
      Import withdraws:            0          0        ---          0          0
      Export updates:         361251         15        124        ---     361112
      Export withdraws:       199301        ---        ---        ---     199301
    BGP Next hop:   37.9.49.254