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Webcast-Catalyst9k
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Cisco Catalyst 3560 Port security

I have configured Port security in 3560 switch it is working fine only the issue I am facing is 

once I change IP address of that Host the switch Port go shutdown

since I have configured port security I believe I am changing the IP Address not the host or LAN card

hence the MAC  address is the same the switch port should not tern down.

port config

Interface FastEthernet0/23
switchport access vlan 201
switchport mode access
switchport port-security
switchport port-security mac-address sticky
switchport port-security mac-address sticky 001d.7d26.1296 vlan access

Please help me on this

Everyone's tags (3)
1 REPLY
New Member

Re: Cisco Catalyst 3560 Port security

Hi,

When the interface goes down can you see anything in the logging?

Can you test this again and run the following on the switch:

#sh logg

#sh interface | i proto

#sh port-security interface

Also from the switch can you run:

#sh version

#sh runn

Finally for this host how do you change the IP address and trigger the issue?

Thanks,

/Gary

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