Trace

nectl tools trace [flags]

      --ct-state string           Connection tracking state (comma-separated: invalid,new,established,related)
      --destination-ip string     Destination IP address
      --destination-port uint32   Destination L4 port (TCP/UDP only)
      --dl-dst string             Match destination MAC address
      --dl-src string             Match source MAC address
      --dscp uint32               IP DSCP (0..63)
      --generate                  DANGEROUS: allow side effects. This is not real packet generation; it can modify OVS internal state, create learned-table garbage, and break traffic.
  -h, --help                      help for trace
      --icmp-code string          ICMP codes (comma-separated, e.g., PortUnreachable)
      --icmp-type string          ICMP types (comma-separated, e.g., Echo,DestinationUnreachable)
      --in-port string            Input OVS port/interface name
      --network string            Network UUID
      --protocol string           Protocol (ip|tcp|udp|sctp|icmp) or use --protocol-num
      --protocol-num uint32       Numeric protocol value (overrides --protocol)
      --raw string                Raw OVS trace flow fields. Mutually exclusive with typed match flags
      --source-ip string          Source IP address
      --source-port uint32        Source L4 port (TCP/UDP only)
      --tcp-flags-set string      TCP flags set (comma-separated, e.g., SYN,ACK)
      --ttl uint32                IP TTL (1..255)
      --vlan-id uint32            Match VLAN ID (0..4094)
      --vlan-none                 Match frames with no VLAN tag
      --vni string                VXLAN VNI value (decimal or 0x-prefixed)

      --host string   gRPC server host (default "127.0.0.1")
      --port uint16   gRPC server port (default 30666)