cisco 3850 show cdp neighbor 一个接口对应多个neighbor
C3850-220# sho cdp neighbors
Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge
S - Switch, H - Host, I - IGMP, r - Repeater, P - Phone,
D - Remote, C - CVTA, M - Two-port Mac Relay
Device ID Local Intrfce Holdtme Capability Platform Port ID
2960L-16K-118 Ten 1/0/7 144 S I WS-C2960L Gig 0/17
2960L-16K-118 Ten 1/0/12 144 S I WS-C2960L Gig 0/17
C2960X-48-223 Ten 1/0/4 177 S I WS-C2960X Gig 1/0/49
C2960X-48-222 Ten 1/0/3 139 S I WS-C2960X Gig 1/0/49
C2960X-48-222 Ten 1/0/8 139 S I WS-C2960X Gig 1/0/49
C2960-x-24-116 Ten 1/0/5 166 S I WS-C2960X Gig 1/0/25
2960L-16k-117 Ten 1/0/8 124 S I WS-C2960L Gig 0/17
2960L-16k-117 Ten 1/0/6 124 S I WS-C2960L Gig 0/17
2960-203 Ten 1/0/8 143 S I WS-C2960- Gig 0/1
c2960-152 Ten 1/0/12 134 S I WS-C2960- Gig 0/2
c2960-156 Ten 1/0/2 145 S I WS-C2960- Gig 0/2
c2960-156 Ten 1/0/12 145 S I WS-C2960- Gig 0/2
C3850Core-241 Ten 1/0/11 152 R S I WS-C3850- Ten 1/1/4
C2660-185 Ten 1/0/1 159 S I WS-C2960- Gig 0/1
物理连接上没有形成冗余,即没有一个环,但却有多个邻居,很疑惑