I am trying to map out a remote network (no physical access) using cdp as we have a suspected stp issue.
Something is throwing me though, we have multiple switches connected to the same local interface as shown in cdp - how can this be? I thought cdp was a single l2 hop?
See below, I am at a loss as to how to translate and draw the L2 topology - please help!
swixl-2#sh cdp nei
Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge
S - Switch, H - Host, I - IGMP, r - Repeater, P - Phone
Device ID Local Intrfce Holdtme Capability Platform Port ID
Gig 0/1 157 S I WS-C2950G-Gig 0/1
Gig 0/1 153 S I WS-C2950G-Gig 0/2
Gig 0/1 147 S I WS-C2950G-Gig 0/2
Gig 0/2 162 R S I WS-C6509 Gig 3/5
swixl-6 Gig 0/1 150 S I WS-C2950G-Gig 0/2