Cisco Ethernet switch Manual de usuario Pagina 73

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l2-security-bh.ppt
PVLAN Attack Mitigation
¥ Setup ACL on ingress router port:
IOS(config)#access-l 101 deny ip
localsubnet lsubmask localsubnet lsubmask
log
IOS(config)#access-l 101 permit ip any any
IOS(config-if)#ip access-group 101 in
¥ All known PVLAN exploits will now fail
¥ VLAN ACL (VACL) could also be used
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