spb-rs1/ipv4: show protocols all Yandex

Yandex BGP --- up 18:47:12.653 Established

Description:    Yandex/13238/AS-YANDEX
  BGP state:          Established
    Neighbor address: 31.44.186.57
    Neighbor AS:      13238
    Neighbor ID:      87.250.233.142
    Local capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
    Neighbor capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
    Session:          external route-server AS4
    Source address:   31.44.186.100
    Hold timer:       64.820/90
    Keepalive timer:  23.244/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         66 imported, 0 filtered, 9383 exported
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             66          0          0          0         66
      Import withdraws:            0          0        ---          0          0
      Export updates:         151784         66     136921        ---      14797
      Export withdraws:        69443        ---        ---        ---        642
    BGP Next hop:   31.44.186.100