小小知识点-tag

1、trunk是带着tag标识转发的，除了默认vlan可以不带tag标识

2、access转发出去不带tag标识

SW1:

<sw1>display current-configuration  

#

sysname sw1

#

vlan batch 10 20

#

cluster enable

ntdp enable

ndp enable

#

drop illegal-mac alarm

#

diffserv domain default

#

drop-profile default

#

aaa

authentication-scheme default

authorization-scheme default

accounting-scheme default

domain default

domain default_admin

local-user admin password simple admin

local-user admin service-type http

#

interface Vlanif1

#

interface MEth0/0/1

#

interface GigabitEthernet0/0/1

port link-type access

port default vlan 10

#

interface GigabitEthernet0/0/2

port link-type trunk

port trunk allow-pass vlan 2 to 4094

#

interface GigabitEthernet0/0/3

#

interface GigabitEthernet0/0/4

#

interface GigabitEthernet0/0/5

#

interface GigabitEthernet0/0/6

#

interface GigabitEthernet0/0/7

#

interface GigabitEthernet0/0/8

#

interface GigabitEthernet0/0/9

#

interface GigabitEthernet0/0/10

#

interface GigabitEthernet0/0/11

#

interface GigabitEthernet0/0/12

#

interface GigabitEthernet0/0/13

#

interface GigabitEthernet0/0/14

#

interface GigabitEthernet0/0/15

#

interface GigabitEthernet0/0/16

#

interface GigabitEthernet0/0/17

#

interface GigabitEthernet0/0/18

#

interface GigabitEthernet0/0/19

#

interface GigabitEthernet0/0/20

#

interface GigabitEthernet0/0/21

#

interface GigabitEthernet0/0/22

#

interface GigabitEthernet0/0/23

#

interface GigabitEthernet0/0/24

#

interface NULL0

#

user-interface con 0

user-interface vty 0 4

#

return

SW2:

<sw2>display current-configuration  

#

sysname sw2

#

vlan batch 10 20

#

cluster enable

ntdp enable

ndp enable

#

drop illegal-mac alarm

#

diffserv domain default

#

drop-profile default

#

aaa

authentication-scheme default

authorization-scheme default

accounting-scheme default

domain default

domain default_admin

local-user admin password simple admin

local-user admin service-type http

#

interface Vlanif1

#

interface MEth0/0/1

#

interface GigabitEthernet0/0/1

port link-type access

port default vlan 10

#

interface GigabitEthernet0/0/2

port link-type trunk

port trunk allow-pass vlan 2 to 4094

#

interface GigabitEthernet0/0/3

#

interface GigabitEthernet0/0/4

#

interface GigabitEthernet0/0/5

#

interface GigabitEthernet0/0/6

#

interface GigabitEthernet0/0/7

#

interface GigabitEthernet0/0/8

#

interface GigabitEthernet0/0/9

#

interface GigabitEthernet0/0/10

#

interface GigabitEthernet0/0/11

#

interface GigabitEthernet0/0/12

#

interface GigabitEthernet0/0/13

#

interface GigabitEthernet0/0/14

#

interface GigabitEthernet0/0/15

#

interface GigabitEthernet0/0/16

#

interface GigabitEthernet0/0/17

#

interface GigabitEthernet0/0/18

#

interface GigabitEthernet0/0/19

#

interface GigabitEthernet0/0/20

#

interface GigabitEthernet0/0/21

#

interface GigabitEthernet0/0/22

#

interface GigabitEthernet0/0/23

#

interface GigabitEthernet0/0/24

#

interface NULL0

#

user-interface con 0

user-interface vty 0 4

#

return