I have C2960 connect to company WAN via port fa0/24 i hve done some security configuration such as the following:
<<<<<
switchport access vlan 931
switchport mode access
switchport nonegotiate
switchport port-security maximum 9
switchport port-security
switchport port-security violation restrict
switchport port-security mac-address 0017.a477.3c2e
switchport port-security mac-address 0017.a477.3c38
switchport port-security mac-address 0024.147a.c120
switchport port-security mac-address 1cc1.de06.5dec
switchport port-security mac-address d89d.6714.ab30
switchport port-security mac-address d89d.6714.ab31
switchport port-security mac-address d89d.6714.d718
switchport port-security mac-address d89d.6714.d719
switchport port-security mac-address d89d.6715.9dd0
ip access-group HQs_PI_EXT in
no cdp enable
spanning-tree portfast
spanning-tree bpdufilter enable
spanning-tree bpduguard enable
spanning-tree guard root
>>>>
i can not put violation to shutdown due to always trigger because the UDP flood or storm and i keep getting messages on my syslog server says the following messages so please any idea and what is the reason
- (1224 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 2c27.d736.f205 on port FastEthernet0/24.
- (1108 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 24be.0513.0b9c on port FastEthernet0/24.
- (900 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 6c62.6d68.adf2 on port FastEthernet0/24.
- (753 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address d8cb.8a62.3ffa on port FastEthernet0/24.
- (722 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 3cd9.2b4d.2322 on port FastEthernet0/24.
- (646 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 2c27.d736.fc22 on port FastEthernet0/24.
- (641 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address d8cb.8a62.3e7a on port FastEthernet0/24.
- (596 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 3cd9.2b4d.a4b6 on port FastEthernet0/24.
- (578 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 3cd9.2b4b.2fe3 on port FastEthernet0/24.
- (565 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 3cd9.2b50.9928 on port FastEthernet0/24.
- (554 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 3cd9.2b52.9355 on port FastEthernet0/24.
- (552 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 24be.0515.5498 on port FastEthernet0/24.
- (545 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 3cd9.2b50.992d on port FastEthernet0/24.
- (514 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 3cd9.2b4b.e50d on port FastEthernet0/24.
- (501 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 3cd9.2b4d.a79a on port FastEthernet0/24.
- (482 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 24be.0512.d7cb on port FastEthernet0/24.
- (461 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 6c62.6d68.add4 on port FastEthernet0/24.
- (422 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 3cd9.2b50.9931 on port FastEthernet0/24.
- (418 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 3cd9.2b4d.2319 on port FastEthernet0/24.
- (398 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 0011.0af0.19b1 on port FastEthernet0/24.
- (380 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 6c62.6d68.ae0b on port FastEthernet0/24.
- (372 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 00c0.8b0b.1e0a on port FastEthernet0/24.
- (368 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 24be.0515.4e20 on port FastEthernet0/24.
- (334 times) %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 0019.d19f.527d on port FastEthernet0/24.