在三层交换机上，新建vlan 4后 ，GigabitEthernet3/0/4 (在vlan4下)总是down的状态， 这个接口下接个 二层交换机， 在接pc机，同样的配置，为何 vlan2(

interface GigabitEthernet3/0/1)的状态就是 up的 ？配置如下，有好心人帮忙看看吗？谢谢~

vlan batch 2 4 to 5 1023

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poe-power backup-mode 2

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qos car 1 cir 4096 pir 4096 cbs 10000 pbs 10000

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dba-profile default0 type3 assure 40000 max 80000

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line-profile default0

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service-profile default0

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diffserv domain default

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vlan 2

description User

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interface Vlanif1

ip address 172.16.0.1 255.255.255.0

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interface Vlanif2

ip address 172.16.2.1 255.255.255.0

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interface Vlanif4

ip address 172.16.4.1 255.255.255.0

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interface Vlanif1023

ip address 172.18.0.1 255.255.255.252

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interface Ethernet0/0/0

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interface GigabitEthernet3/0/0

combo copper

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interface GigabitEthernet3/0/1

port link-type access

port default vlan 2

combo copper

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interface GigabitEthernet3/0/2

combo copper

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interface GigabitEthernet3/0/3

combo copper

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interface GigabitEthernet3/0/4

port link-type access

port default vlan 4

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interface GigabitEthernet3/0/5

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interface GigabitEthernet3/0/6

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interface GigabitEthernet3/0/7

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interface GigabitEthernet3/0/8

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interface GigabitEthernet3/0/9

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interface GigabitEthernet3/0/10

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interface GigabitEthernet3/0/11

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interface GigabitEthernet3/0/12

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interface GigabitEthernet3/0/13

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interface GigabitEthernet3/0/14

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interface GigabitEthernet3/0/15

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interface GigabitEthernet3/0/16

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interface GigabitEthernet3/0/17

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interface GigabitEthernet3/0/18

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interface GigabitEthernet3/0/19

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interface GigabitEthernet3/0/20

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interface GigabitEthernet3/0/21

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interface GigabitEthernet3/0/22

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interface GigabitEthernet3/0/23

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interface NULL0

本帖最后由 aq533 于 2014-8-12 22:03 编辑

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