实验3三层交换机
1．实验目的
1）VTP设置2）三层交换机端口的设置3）三层交换机VLAN接口的应用4）三层交换机端口启用三层接口
2．实验拓扑图
需求：不同VLAN的主机在网络层互通
2．实验步骤及相关配置
1）关键命令VLAN接口设置IPi
tvla
vla
IDipaddressIPaddress启用三层接口
oswitchportipaddressIPaddress
mask
mask
f2）实验步骤a搭建实验拓扑图（注意设备选型和连接线型）b通过VTP实现VLAN全网统一S1为sever，S2、S3为clie
t，域名为cxy，级联端口设置为tru
k模式S1Switchco
figtE
terco
figuratio
comma
dso
eperli
eE
dwithCNTLZSwitchco
fighost
ameS1S1co
figvtpmodeserverDevicemodealreadyVTPSERVERS1co
figvtpdomai
cxyCha
gi
gVTPdomai
amefrom
ulltocxyS1co
figi
tg01S1co
figifswitchporttru
ke
capsulatio
dot1qS1co
figifswitchportmodetru
kS1co
figifi
tg02S1co
figifswitchporttru
ke
capsulatio
dot1qS1co
figifswitchportmodetru
kS2：Switchco
figtE
terco
figuratio
comma
dso
eperli
eE
dwithCNTLZSwitchco
fighost
ameS2S2co
figvtpmodeclie
tSetti
gdevicetoVTPCLIENTmodeS2co
figvtpdomai
cxyCha
gi
gVTPdomai
amefrom
ulltocxyS2co
figi
tg11S2co
figifswitchportmodetru
kS3：Switchco
figtE
terco
figuratio
comma
dso
eperli
eE
dwithCNTLZSwitchco
fighost
ameS3S3co
figvtpmodeclie
tSetti
gdevicetoVTPCLIENTmodeS3co
figvtpdomai
cxyCha
gi
gVTPdomai
amefrom
ulltocxyS2co
figi
tg11S2co
figifswitchportmodetru
k
f用showvtpstatus命令可查看S1、S2、S3的vtp状态c在VTPServer（S1）上创建3个VLAN
S1co
figvla
10S1co
figvla
vla
20S1co
figvla
vla
30验证：用showvla
命令查看S1的vla
信息。在S2、S3上不能创建VLAN，但通过VTP获得了与S1相同的VLAN，用showvla
命令验证VTP的作用。
d给VLAN指定端口在三层交换机S1上，设置tru
k端口允许通过的VLANS1co
figi
tg01S1co
figifswitchporttru
kallowedvla
all（默认值）S1co
figifi
tg02S1co
figifswitchporttru
kallowedvla
1030在二层交换机S2和S3上，给VLAN添加端口：S2：S2co
figi
tfa01S2co
figifswitchportaccessvla
10S2co
figifi
tfa02S2co
figifswitchportaccessvla
20S2co
figifi
tfa03S2co
figifswitchportaccessvla
30S2co
figi
tg11S2co
figifswitchporttru
kallowedvla
102030S3：S3co
figifi
tfa01S3co
figifswitchportaccessvla
10S3co
figifi
tfa02S3co
figifswitchportaccessvla
20S3co
figifi
tfa03S3co
figifswitchportaccessvla
30S3co
figi
tg11S3co
figifswitchporttru
kallowedvla
102030
fe在PC上配置IP地址，不要配置网关：Vla
10中的PC1、PCr