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Topology: PC <===>Access Switch (C2960)<===> Core Switch C4510 <===> DHCP Server (MS)Security function on access switch: ip dhcp snooping, no ip dhcp snooping information option, ip arp inspection validate src-mac dst-mac ip allow zeros, ip arp inspe...
Hello everyone! I need help. Switch: WS-C2960X-48LPS-L, IOS: Version 15.2(4r)E3Activated on the port:switchport block unicast/multicast, switchport port-security, storm-control broadcast/unicast/multicast, spanning-tree portfast edge, spanning-tree b...
The problem on this switch has been resolved.However, just now, another one has happened. All functions specified in the first post were activated on the port. When changing the PC to a new one on the access switch, the MAC does not appear on the por...