从下面的输出可知，SW-2连接到SW-3时使用的是哪个接口
SW-3#
sh cdp neighbors
Capability Codes: R-Router, T-Trans Bridge, B-Source Route BridgeS-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
SW-1 Fas 0/1 170 S I WS-C3560- Fas 0/15
SW-1 Fas 0/2 170 S I WS-C3560- Fas 0/16
SW-2 Fas 0/s 162 S I WS-C3560- Fas 0/2