Function net_ptp

network_diagnostics.py:2053–2057

()

def do_dhcp_snoop(trusted=None, untrusted=None, seconds=20):
    """Inline DHCP-snooping pass. Captures real DHCP off the wire per ingress
    port and applies the trusted/untrusted model:

      * any DHCP *server* message on the UNTRUSTED port  -> rogue (definitive)
      * OFFER/ACK anywhere                               -> binding-table entry
      * many distinct chaddrs in DISCOVERs               -> starvation