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Port security – secure ?
Hi All, Am studying for the CCENT and have just been running though Port Security. The 3 options are Protect - Restrict - Shutdown I have discovered that from a connected PC with a invalid mac address with the protect and restrict options you can still : * ping the switches VLAN1 Interface * telnet into the switch Anyone… -
Re: Port security – secure ?
I was not able to reproduce this on a real switch. When the port was in restrict mode, all frames should be dropped with a syslog and SNMP trap (as it should). I was not able to ping and telnet, and the security violation counter kept increasing. SW01#sh run int fa0/4Building configuration...Current configuration : 239… -
Re: Port security – secure ?
OK, I have a switch with 2 PCs connected PC 1 is in fa 0/1 - 192.168.1.3 - mac address 0040.CA60.67E8 PC 2 is in fa 0/4 - 192.168.1.4 The vlan 1 interface is 192.168.1.2 I have a 3rd PC which is not yet connected - 192.168.1.7 - mac address 0030.054A.59E2 Port security on int fa 0/1 configured as below interface… -
Re: Port security – secure ?
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Re: Port security – secure ?
Morning, Right, I have just tried this on all my switches (3 x 2950) and the output is still the same. Upon configuring port security with violation restrict then plugging another host into the interface I can still. * Ping the switches vlan 1 interface – 192.168.1.2 255.255.255.0 * Telnet into the switch One note to add…
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