虚拟局域网 VLAN% k; M$ {' x" m# X) E
查看VLAN 命令 Switch#show vlan
: M& B/ e& ?, ~0 d/ I$ \6 v G b创建 VLAN Switch#config t Switch(config)#vlan 26 P& J) C- V' |/ _& ^: a( S
Switch(config-vlan)#ex
* a, Z0 J" c! m+ c3 {Switch(config)#interface range fastEthernet 0/11 - 24. @! W; ^, `. T1 i
Switch(config-if-range)#switchport access vlan 24 b; N- a7 ^1 a
建立,修改: vlan 1000 name vlan1000* {3 z) [$ ~. n! \0 t; `& m2 m
删除:no vlan 1000 c; G3 \: N, C1 ~- `
vlan interface f0/1
7 n% h- [2 _( d' t3 F7 ~switchport access vlan 10004 c- @& {& A7 n. y2 X$ Q8 J
Switch(config)#interface vlan 18 N9 O3 R) n& M& q9 }; s
Switch(config-if)#ip address 192.168.0.100 255.255.255.03 A* z* l8 L# @, |6 m
Switch(config-if)#no sh9 [7 @6 z2 M \5 B5 a) o. D
Switch(config-if)#exit
% s* x' ~/ o4 ~0 J w3 k# a& t3 mSwitch(config)#ip default-gateway 192.168.0.1
$ U6 j% l7 M' _. }. a( NSwitch(config)#enable password aaa, Q; s' }/ [' h1 `" U/ ]: U. n" h
Switch(config)#line vty 0 4
1 N- L# J% I( @ K& LSwitch(config)#line vty 0 15
/ g6 B5 Z0 ?+ o; _* ASwitch(config-line)#password aaa
4 [$ H" c) u* vSwitch(config-line)#login
' t: G! h P& D& [( [, m- l: T: iVLAN Trunk8 w, \# b& I: X( T6 w" j" a
Switch(config-if)#switchport mode trunk# \1 x9 ^4 {% A$ g- E
Router(config)#interface gigabitEthernet 6/0. T( j* o; K! v _, F r
Router(config-if)#no sh- @ O2 {* c8 D% D
Router(config)#interface gigabitEthernet 6/0.1
0 x/ j3 v+ U( g5 uRouter(config-subif)#encapsulation dot1Q 1( w# L. p6 v/ P+ O& J
Router(config-subif)#ip address 192.168.0.1 255.255.255.0% h& I0 h; x3 O" _8 B7 c
带路由模块的交换机实现 VLAN 间路由4 b! b p6 X3 T3 v
两台交换机配置 trunk:
9 U( d/ \$ i" p& O' T+ }* P- _Conf t
5 K- ?$ z! n: w5 }Interface f0/06 K0 s: j; p/ G1 o
Switchport mode trunk0 W! z- J6 c8 U1 X6 ~
Switchport trunk encapsulation dot1q/isl
' _4 B% u: I: k- O O+ OSwitchport trunk allowed vlan 1,4
n9 }1 X$ g5 u) Q, l( O7 h# ~' `Switchport trunk allowed vlan 1-47 a' Y8 ]1 n: T+ k& R. x
Switchport trunk allowed except vlan 1-2+ a) u! T: M! p) B G! i
生成树(STP)
! T1 h" ~% y! E N* h* |Spanning-tree vlan 2
7 ?% R0 H! b# z, g( d$ r$ ZNo spanning-tree vlan 2 打开与关闭树) a: t2 q( l( ~& I
Spanning-tree vlan 2 root primary 设置主 root根网桥) m J& c# D+ B6 {5 t0 H' C
Spanning-tree vlan 3 root secondary 设置备份 root 备份网桥
# w( \( l! D& Q1 N+ S) QSpanning-tree vlan 3 priority 8192 设置优先级(0,4096,8192.。。。 到 61440)
% P( \0 P- f( F b( m配置可选功能:
0 l0 T8 G7 K) k, Q. N; W+ [Spanning-tree backbonefast (不是连接 本交换机的链路失效时) 30 秒2 ~; I7 I: y! H, X4 N( ]3 ^
Spanning-tree uplinkfast (连接本交换机链路失效 1-5 分钟6 j7 ?& U5 n, W( \9 f5 B! E7 |
Spanning-tree uplinkfast max-update-rate (0-32000)* g8 Z% ]- \6 v8 v+ O8 g) _- H
Spanning-tree portfast default" z- K0 X1 L! u, D
Spanning-tree portfast bpdufilter default |