On 15 December 2015 at 13:27, Nick Hilliard <[email protected]> wrote: > 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. >
Doh! You're right. The question wasn't about detecting unknown bridges hanging off the edge of your own network was it? Should have read the email more carefully. Sorry!
