前提配置：
en
conf t
no ip domain-lookup
line con 0
logg syn
exec-time 0 0
exit
host r1
VTP配置：
vtp domain domain_name
vtp mode server/client/transparent
vtp password password
vtp pruning
vtp version 2
查看VTP配置：show vtp status
VLAN配置：
vlan database (特权模式)
vlan 2 name caiwubu
exit
vlan 2 (全局模式)
查看VLAN配置：show vlan brief
VLAN Trunk配置：
swit trunk encapsulation isl/dot1q/negotiate (接口里面，封装类型)
swit mode trunk
查看配置：show int f0/1 swit
以太网通道：
int rang f0/1 -f0/10
swit mode trunk
chan lacp;pagp
channel-group 1 mode on
exit
三层交换配置：
ip routing
no swt (改为路由接口)
ip helper-add 192.168.1.1 (DHCP服务器地址)
PVST+配置：
1.span vlan 2,4-6 pri 4096(倍数0-32768)
2. root pri/sec
span vlan 2 cost 150 (0-255)
span vlan 2 por *
查看配置：show span show span vlan * d
HSRP配置：
int vlan 2
ip add 192.168.1.1 255.255.255.0
stan 2 ip 192.168.1.254 (虚拟的IP地址)
stan 2 pri 150 (0-255)
stan 2 pree
stan 2 track int f1/0 100
查看HSRP：show stan b
ACL配置：
标准：acc 1(1-99) per(pre den) source(数据源地址)
int f0/0
ip nat inside
int f1/0
ip nat outside
int f0/0
ip acc 1 in
扩展：acc 101(100-199) per(pre/den) protocol(协议) 源地址 目标地址 --
命名：ip acc stan/ext test
per/den host 192.168.1.1
定时：time-range mytie
per wee 8:30 to 17:30
acc ....... time-range mytie
查看：show acc
NAT配置：
静态：ip nat ins sou sta 192.168.100.2 61.159.62.136
端口映射：ip nat ins sou sta tcp 192.168.100.2 80 61.159.62.131 8080 extendable
动态：acc 1 per 192.168.1.0 0.0.0.255
ip nat pool test0 61.159.62.131 62.159.62.190 netmask 255.255.255.192
ip nat ins sou list 1 pool test0 overload
PAT: acc 1 per 10.1.1.0 0.0.0.255
1.ip nat pool test1 61.159.62.131 61.159.62.131 netmask 255.255.255.148
ip nat ins sou list 1 pool test1 overload
2.ip nat ins sou list 1 int f0/0 overload
RIP配置：
router rip
ver 2
no au-
network 192.168.1.0
-----
OSPF配置：
router ospf 1
router-id 1.1.1.1
network 10.0.0.0 0.0.0.3 area 0
末梢区域：area 1 stub
完全末梢区域：area 1 stub no-su
ness：area 1 nssa
完全ness：area 1 nssa no-su
路由重分发：
router rip
red ospf 1 metric 10
router ospf 1
red rip subnets
def-in orig (默认)
red sta subnets (静态)
red conn subnets (直连)