spb-rs2/ipv4: show protocols all yandex

yandex BGP --- up 2021-01-25 Established

Description:    yandex/13238/AS-YANDEX/via Yandex
  BGP state:          Established
    Neighbor address: 185.1.152.57
    Neighbor AS:      13238
    Local AS:         50817
    Neighbor ID:      87.250.233.131
    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:       62.142/90
    Keepalive timer:  10.297/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         32 imported, 0 filtered, 13081 exported, 32 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             64          0          0         32         32
      Import withdraws:            0          0        ---          0          0
      Export updates:         257530         64     221635        ---      35831
      Export withdraws:        30376        ---        ---        ---      97099
    BGP Next hop:   185.1.153.0