br2/ipv4: show protocols all bgsf_br4_gcn

bgsf_br4_gcn BGP --- up 2021/02/02-16:56:19 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:   10.10.66.2
    Hold timer:       208.143/240
    Keepalive timer:  8.902/80
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   bgsf_IN
    Output filter:  (unnamed)
    Import limit:   870000
      Action:       disable
    Export limit:   15
      Action:       disable
    Routes:         338270 imported, 0 filtered, 2 exported, 267502 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:       18328281          0          0    5748234   12580047
      Import withdraws:      2517064          0        ---          5    2517059
      Export updates:       37691745   13606119   24085497        ---        129
      Export withdraws:       798400        ---        ---        ---        127
    BGP Next hop:   10.10.66.2