msk-rs2/ipv4: show protocols all nexus

nexus BGP --- up 2021-10-13 Established

Description:    nexus/49778/as-nxss
  BGP state:          Established
    Neighbor address: 185.1.160.120
    Neighbor AS:      49778
    Local AS:         49869
    Neighbor ID:      91.219.23.255
    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:       62.927/90
    Keepalive timer:  8.385/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         2 imported, 0 filtered, 116927 exported, 2 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              4          0          0          0          4
      Import withdraws:            2          0        ---          0          2
      Export updates:         356574          4          9        ---     356561
      Export withdraws:       156191        ---        ---        ---     155966
    BGP Next hop:   185.1.161.0