br1/ipv4: show protocols all bgsf_br4_gcn

bgsf_br4_gcn BGP --- up 2021/06/19-18:55:10 Established

BGP state:          Established
    Neighbor address: 10.10.66.4
    Neighbor AS:      198228
    Local AS:         198228
    Neighbor ID:      87.121.34.11
    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
      Enhanced refresh
    Session:          internal AS4
    Source address:   10.10.66.1
    Hold timer:       207.667/240
    Keepalive timer:  13.368/80
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   bgsf_IN
    Output filter:  (unnamed)
    Import limit:   850000
      Action:       disable
    Export limit:   15
      Action:       disable
    Routes:         330177 imported, 0 filtered, 1 exported, 252762 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:        1911008          0          0     451045    1459963
      Import withdraws:       344597          0        ---         84     344513
      Export updates:        5513104    1874789    3638314        ---          1
      Export withdraws:        85747        ---        ---        ---          0
    BGP Next hop:   10.10.66.1