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NET-126 Configuration commands for Cisco switches
Port-SecurityCommand | Function | switchport mode access
| port must be in access mode before port-security can be configured | switchport port-security
| enables port security on that interface | switchport port-security maximum 2
| sets maximum MAC addresses to 2 | switchport port-security violation shutdown
| sets violation mode to shutdown
(shutdown is default) | switchport port-security mac-address
sticky mac-address
| specified MAC is made sticky | switchport port-security mac-address sticky
| converts all dynamically-learned MACs to sticky |
VLAN ConfigurationShort Command | Full Command | sw m t
| switchport mode trunking
| sw t n v 99
| switchport trunking native
vlan 99
| sw t a v 2,10,99
| switchport trunking access
vlan 2,10,99
| sw non
| switchport nonegotiate
| | | sw a v 10
| switchport access vlan 10
|
Spanning Tree Configuration
| | Show CommandsShort Command | Full Command | What It Displays | sh port [int f0/5]
| show port-security
[interface f0/5]
| secure MACs configured on all (or specified) interface/s | sh int f0/6 sw
| show int f0/6
switchport
| port configuration (mode, trunking, VLANs, etc) | sh vl br
| show vlan brief
| VLAN numbers, names, status, & ports | sh vl na name
| show vlan name name
| VLAN number, status, & ports | sh vl sum
| show vlan summary
| number of existing VLANs
(Doesn't work on PT) | sh int tru
| show int trunk
| trunk ports, native/mgmt VLANs, & allowed VLANs | show sdm pre
| sh sdm prefer
| max # of secure MACs that can be configured |
|
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