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我这里有一台3550交换机,在机器重启后配置如下:
!
version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname Switch
!
!
no aaa new-model
ip subnet-zero
!
!
!
!
no file verify auto
spanning-tree mode pvst
spanning-tree extend system-id
!
vlan internal allocation policy ascending
没有端口设置和vlan设置,但sh vlan 时确能看到如下信息:
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Fa0/24, Gi0/1, Gi0/2
2 VLAN0002 active Fa0/1, Fa0/2, Fa0/3, Fa0/4
Fa0/5, Fa0/6
3 VLAN0003 active Fa0/7, Fa0/8, Fa0/9, Fa0/10
Fa0/11, Fa0/12, Fa0/13, Fa0/14
Fa0/15, Fa0/16, Fa0/17, Fa0/18
Fa0/19, Fa0/20, Fa0/21, Fa0/22
Fa0/23
4 VLAN0004 active
5 VLAN0005 active
6 VLAN0006 active
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
1 enet 100001 1500 - - - - - 0 0
2 enet 100002 1500 - - - - - 0 0
这种vlan的划分确实在重启前应该是这样,但不明白的是为什么重启后配置中看不到了,但vlan的划分还存在? |
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