为了防止ip盗用,cisco交换机的几种绑定方案
2950 (config)#int rang fa0/1 - 482950 (config-if-range)#switchport mode Access
2950 (config-if-range)#switchport port-security
2950 (config-if-range)#switchport port-security mac-address violation restrict
2950 (config-if-range)#switchport port-security mac-address sticky
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