1. VLAN , IOS .
VLAN c VLAN Cisco 2950
Switch# vlan database
Switch(vlan)# vlan VLAN
Switch(vlan)# exit
,
Switch# vlan database
Switch(vlan)# vlan 33
Switch(vlan)# exit
VLAN 33 VLAN VLAN0033.
, .
switchport mode , (trunk).
Switch(config-if )#switchport mode [access | dynamic | trunk]
, , , . switchport mode access.
VLAN
Switch(config-if)# switchport mode access
Switch(config-if)# switchport access vlan number
number VLAN.
interface range . , VLAN 10
Switch(config)# interface range fa0/1 6
Switch(config-if-range)# switchport access vlan 10
VLAN show runningconfig,
show vlan show vlan brief.
VLAN ,
VLAN 1.
VLAN
Switch(config-if)# switchport mode trunk
VLAN . , VLAN. . VLAN. VLAN
. VLAN, .
VLAN , VLAN . VLAN .
Switch(config-if)# switchport trunk allowed vlan vlan-list
,
Switch(config-if)# switchport trunk allowed vlan 3
Switch(config-if)# switchport trunk allowed vlan 6-10
VLAN 3 VLAN 6 10. ,
VLAN show runningconfig.
VLANs VLAN, .
|
|
|
SwitchA(config-if)# switchport mode access
SwitchA(config-if)# switchport mode trunk
1. 5. GigabitEthernet (gi1/1 gi1/2) . 1. , 1. 172.16.0.0
255.255.0.0. .
.
VLAN. 20_1 20_2 VLAN 20, 30_1 30_2 VLAN 30.
Switch1(conf)# interface fa0/2
Switch1(conf-if)# switchport access vlan 20
Switch1 (conf-if ) # interface fa0/3
Switch1(conf-if)# switchport access vlan 30
Switch2 (conf)# interface fa0/2
Switch2(conf-if)# switchport access vlan 20
Switch2 (conf-if)# interface fa0/3
Switch2(conf-if)# switchport access vlan 30
5.
1.
| Switch1 | Switch2 | ||
| 20_1 | Fa0/2 | 172.16.20.1/16 | |
| 30_1 | Fa0/3 | 172.16.20.2/16 | |
| 20_2 | Fa0/2 | 172.16.30.1/16 | |
| 30_2 | Fa0/3 | 172.16.30.2/16 | |
| Gi1/1 | Gi1/1 |
VLAN, Switch1# sh vl name 20
VLAN , .
.
GigabitEthernet
Switch1(conf)# interface gi1/1
Switch1 (conf-if)# switchport trunk allowed vlan add 20
Switch1 (conf-if)# switchport trunk allowed vlan add 30
Switch1 (conf-if)# no shutdown
Switch2 (conf)# interface gi1/1
Switch2 (conf-if)# switchport trunk allowed vlan add 20
Switch2 (conf-if)# switchport trunk allowed vlan add 30
Switch2 (conf-if)# no shut
VLAN ,
, VLAN (.
2).
2.
| Ping / | 20_1 | 30_1 | 20_2 | 30_2 |
| 20_1 | ||||
| 30_1 | ||||
| 20_2 | ||||
| 30_2 |
.
2. . fa0/1 ( 6). , VLAN , , VLAN .
6.
. 172.16.0.0/16 172.16.20.0/24 172.16.30.1/24. 255.255.255.0.
VLAN IP , .
,
Switch1(conf)# interface fa0/1
Switch1(conf-if)# switchport access vlan 20
Switch2(conf)# interface fa0/1
Switch2(conf-if)# switchport access vlan 30
IP
|
|
|
Router(conf)# interface fa0/0
Router(conf-if)# ip address 172.16.20.254 255.255.255.0
Router(conf-if)# no shutdown
Router(conf-if)# interface fa1/0
Router(conf-if)# ip address 172.16.30.254 255.255.255.0
Router(conf-if )#no shutdown
172.16.20.0/24 172.16.30.1/24. .
| Host | Gataway |
| 20_1 | 172.16.20.254 |
| 20_2 | 172.16.20.254 |
| 30_1 | 172.16.30.254 |
| 30_2 | 172.16.30.254 |
IP .
3. , , .
, gi1/2 fa0/0 ( 7). . , , . , Switch2 gi1/2 ,
.
7.
fa0/0 fa0/0.20 fa0/0.30. dot1q 20 30, .
Router(conf)# interface FastEthernet0/0.20
Router(conf-subif)# encapsulation dot1q 20
Router(conf-subif)# ip address 172.16.20.254 255.255.255.0
Router(conf-subif)# interface FastEthernet0/0.30
Router(conf-subif)# encapsulation dot1q 30
Router(conf-subif)# ip address 172.16.30.254 255.255.255.0
Router# show ip route
, .
Router 172.16.20.1 20_1 VLAN 20, Switch1 172.16.30.2 30_2 VLAN 30, Switch2
:
1. , ?
2. ?
3. ?
4. ?
5. ?
6. ?
7. ?
8. ?
9. VLAN?
10. VLAN?
11. ?
12. VLAN ?
13. VLAN ?
14. VLAN ?
IP , . 172.16.0.0/16.
, .
14
