cisco交换
端口需要shutdown在no shutdown后端口才能真正起来动态mac转换成静态的macYB-CO-SW-01(config-if)#switchportport-security mac-address stickytrunk口switchporttrunk encapsulation dot1qswitchportmode trunkswitchporttrunk allowed vlan all抓包debug分析YB-CO-SW-01#debugip packetIP packet debugging is onYB-CO-SW-01#terminalmonitor YB-CO-SW-01# (Vlan21), len 124, sending5y49w: IP: s=10.7.0.2 (local), d=114.251.55.226 (Vlan21), len124, sending full packet5y49w: IP: s=114.251.55.226 (Vlan21), d=10.7.0.2, len 40, rcvd 25y49w: IP: s=114.251.55.226 (Vlan21), d=10.7.0.2, len 40, stopprocess pak for forus packet关闭debugYB-CO-SW-01#undebugallAll possible debugging has been turned off
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