User account policies, Authentication methods, Troubleshooting port security – H3C Technologies H3C S12500-X Series Switches User Manual
Page 118: Cannot set the port security mode, Cannot configure secure mac addresses
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Because NTK is enabled, frames with an unknown destination MAC address, multicast address, or
broadcast address are discarded.
74B
Troubleshooting port security
212B
Cannot set the port security mode
437B
Symptom
Cannot set the port security mode for a port.
438B
Analysis
For a port operating in a port security mode other than noRestrictions, you cannot change the port
security mode directly by using the port-security port-mode command.
439B
Solution
1.
Set the port security mode to noRestrictions.
[Device-Ten-GigabitEthernet1/0/1] undo port-security port-mode
2.
Set a new port security mode for the port, for example, autoLearn.
[Device-Ten-GigabitEthernet1/0/1] port-security port-mode autolearn
213B
Cannot configure secure MAC addresses
440B
Symptom
Cannot configure secure MAC addresses.
441B
Analysis
No secure MAC address can be configured on a port operating in a port security mode other than
autoLearn.
442B
Solution
Set the port security mode to autoLearn.
[Device-Ten-GigabitEthernet1/0/1] undo port-security port-mode
[Device-Ten-GigabitEthernet1/0/1] port-security max-mac-count 64
[Device-Ten-GigabitEthernet1/0/1] port-security port-mode autolearn
[Device-Ten-GigabitEthernet1/0/1] port-security mac-address security 1-1-2 vlan 1
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