spb-rs2/ipv4: show protocols all zextel

zextel BGP --- up 2020-09-17 Established

Description:    zextel/49954/AS49954/via Zextel
  BGP state:          Established
    Neighbor address: 185.1.152.86
    Neighbor AS:      49954
    Local AS:         50817
    Neighbor ID:      193.233.154.1
    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
      ADD-PATH
        RX: ipv4
        TX:
    Session:          external route-server AS4
    Source address:   185.1.153.0
    Hold timer:       133.935/180
    Keepalive timer:  12.601/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         3 imported, 0 filtered, 94393 exported, 3 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              3          0          0          0          3
      Import withdraws:            0          0        ---          0          0
      Export updates:         559438          3       2456        ---     556979
      Export withdraws:       269353        ---        ---        ---     268926
    BGP Next hop:   185.1.153.0