msk-rs2/ipv4: show protocols all smartcenter

smartcenter BGP --- up 2021-12-02 Established

Description:    smartcenter/48763/as-smartcentr
  BGP state:          Established
    Neighbor address: 185.1.161.128
    Neighbor AS:      48763
    Local AS:         49869
    Neighbor ID:      217.171.147.2
    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:   185.1.161.0
    Hold timer:       61.298/90
    Keepalive timer:  6.644/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         4 imported, 0 filtered, 117580 exported, 4 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              4          0          0          0          4
      Import withdraws:            0          0        ---          0          0
      Export updates:         440326          4       1169        ---     439153
      Export withdraws:       216926        ---        ---        ---     217714
    BGP Next hop:   185.1.161.0