On 15/12/2015 13:21, Alex Brooks wrote: > I know that Bradford Networks will sell you a system that does this > automatically with HP and Cisco gear. I don't know how it actually > 'works' under the hood in detail, but know that it involves an LDAP > directory and an SNMP trap.
that probably works by either 802.1x or else locking down the mac address and issuing traps when different mac addresses are seen on the port. This is a different problem set to detecting whether a point-to-point link has intermediate bridges. Nick
