sw configuration

switch

ip
(config)# int vlan 1
(config-if)# ip addr 10.5.5.11 255.255.255.0

(config)# ip default-gateway 10.5.5.3

# sh int vlan 1

(config-if)# duplex { auto | full | half }

# sh mac-address-table

mac-addr-table static
(config)# mac-address-table sttic 0004.56000.6700 vlan 1 int fa0/2

switch port security

(config-if)# switchport mode access
(config-if)# switchport port-security
(config-if)# switchport port-security maximum 1
(config-if)# switchport port-security mac-address 0008.eeee.eeee
(config-if)# switchport port-security violation { shutdown | protect | restrict }

# sh port-security
# sh port-security { int <fa0/2> | address }

# copy startup-config tftp://ip addr/xxx.cfg
# copy running-config strtup-config
# erase startup-config
# reload

VTP (Vlan Trunk Protocol)

(config)# vtp mode { server | client | transparent }
(config)# vtp domain <name> 한번 생성하면 삭제 안됨. 수정가능
(config)# vtp password <pass>
(config)# vtp pruning

# sh vtp status

(config-if)# sh
(config-if)# switchport trunk encapsulation { isl | dot1q | negotiate }
(config-if)# switchport mode { dynamic <auto | desirable> | trunk }
(config-if)# no sh

adding vlan

(config)# vlan 2
(config-if)# name vlan2

(config)# int fa0/2
(config-if)# switchport access vlan 2   int fa0/2 를 vlan 2에게 포함시킨다
# sh vlan
# sh int f0/2 switchport
# sh int fa0/2 trunk
# sh vlan { brief | id <id> | name <name>}
# sh spnning-tree { active | detail | vlan <id> | summury }