Chapter 1 - Command Reference Flashcards
Define a VLAN
vlan vlan-id
name vlanname
Configure an interface as a trunk port
switchport mode trunk
Configure an interface as an access port
assigned to a specific VLAN
switchport mode access
switchport access {vlan vlan-id | name name}
Configure a static MAC address entry
mac address-table static mac-address vlan
vlan-id interface interface-id
Clear MAC addresses from the MAC
address table
clear mac address-table dynamic [{address
mac-address | interface interface-id | vlan
vlan-id}]
Assign an IPv4 address to an interface
ip address ip-address subnet-mask
Assign a secondary IPv4 address to an
interface
ip address ip-address subnet-mask
secondary
Assign an IPv6 address to an interface
ipv6 address ipv6-address/prefix-length
Modify the SDM database
sdm prefer {vlan | advanced}
Display the interfaces that are configured
as a trunk port and all the VLANs that they
permit
show interfaces trunk
Display the list of VLANs and their
associated ports
show vlan [{brief | id vlan-id | name
vlanname | summary}]
Display the MAC address table for
a switch
show mac address-table [address
mac-address | dynamic | vlan vlan-id]
Display the current interface state, including
duplex, speed, and link state
show interfaces
Display the Layer 2 configuration
information for a specific switchport
show interfaces interface-id switchport
Display the ARP table
show ip arp [mac-address | ip-address | vlan
vlan-id | interface-id].
