NAT
【Router】
当前路由器提示视图
依次输入的配置命令&＃xff0c;重要的命令红色突出显示
简单说明
[Quidway]
acl number 2000

 

[Quidway-acl-basic-2000]
rule permit source 10.124.187.0 0.0.0.255
配置允许进行NAT转换的内网地址段
[Quidway-acl-basic-2000]
rule deny

 

 

 

 

[Quidway]
interface Ethernet0/1

 

[Quidway-Ethernet0/1]
ip address 10.124.187.1 255.0.0.0
内网网关

 

 

 

[Quidway]
interface Ethernet0/0

 

[Quidway-Ethernet0/1]
ip address 10.124.1.1 255.255.255.248

 

[Quidway-Ethernet0/1]
nat outbound 2000
在出接口上进行NAT转换

 

 

 

[Quidway]
ip route-static 0.0.0.0 0.0.0.0 101.1.1.1 preference 60
配置默认路由

 

 

 

 

 

 

 

 

华为路由器单臂路由配置实例
组网描述:
PC---------------------3050C-------------------------AR28-31-------------------------INTERNET
组网实现:
3050C上划分多个VLAN,在AR28-31上终结VLAN信息,下面的所有VLAN中的PC都可以上公网,所有的PC机都通过AR28-31分配IP地址和DNS
[AR28-31]dis cu
#
sysname Quidway
#
FTP server enable
#
nat address-group 0 222.222.222.2 222.222.222.10     用于上公网的地址池
#
radius scheme system
#
domain system
#
local-user admin
password cipher .]&＃64;USE&＃61;B,53Q&＃61;^Q&＃96;MAF4<1!!
service-type telnet terminal
level 3
service-type ftp
local-user huawei                                     telnet用户,用于远程管理
password simple huawei
service-type telnet
level 3
#
dhcp server ip-pool 10                               为VLAN10分配IP地址
network 192.168.10.0 mask 255.255.255.0
gateway-list 192.168.10.1
dns-list 100.100.100.100
#
dhcp server ip-pool 20                               为VLAN20分配IP地址
network 192.168.20.0 mask 255.255.255.0
gateway-list 192.168.20.1
dns-list 100.100.100.100
#
dhcp server ip-pool 30                               为VLAN30分配IP地址
network 192.168.30.0 mask 255.255.255.0
gateway-list 192.168.30.1
dns-list 100.100.100.100
#
dhcp server ip-pool 40                               为VLAN40分配IP地址
network 192.168.40.0 mask 255.255.255.0
gateway-list 192.168.40.1
dns-list 100.100.100.100
#
interface Aux0
async mode flow
#
interface Ethernet1/0                               用于与交换机的管理IP互通
ip address 192.168.100.1 255.255.255.0
firewall packet-filter 3000 inbound
#
interface Ethernet1/0.1                             终结交换机上的VLAN10
tcp mss 1024
ip address 192.168.10.1 255.255.255.0
firewall packet-filter 3000 inbound
vlan-type dot1q vid 10
#
interface Ethernet1/0.2                             终结交换机上的VLAN20
tcp mss 1024
ip address 192.168.20.1 255.255.255.0
firewall packet-filter 3000 inbound
vlan-type dot1q vid 20
#
interface Ethernet1/0.3                           终结交换机上的VLAN30
tcp mss 1024
ip address 192.168.30.1 255.255.255.0
firewall packet-filter 3000 inbound
vlan-type dot1q vid 30
#
interface Ethernet1/0.4                           终结交换机上的VLAN40
tcp mss 1024
ip address 192.168.40.1 255.255.255.0
firewall packet-filter 3000 inbound
vlan-type dot1q vid 40
#
interface Ethernet2/0
ip address 222.222.222.1 255.255.255.0
nat outbound 2000 address-group 0                 进行私网到公网的地址转换
#
interface NULL0
#
acl number 2000                                   允许192.168.0.0 这个网段的地址进行地址转换
rule 0 permit source 192.168.0.0 0.0.255.255
rule 1 deny
#
acl number 3000
rule 0 deny udp destination-port eq tftp
rule 1 deny tcp destination-port eq 135
rule 2 deny udp destination-port eq 135
rule 3 deny udp destination-port eq netbios-ns
rule 4 deny udp destination-port eq netbios-dgm
rule 5 deny tcp destination-port eq 139
rule 6 deny udp destination-port eq netbios-ssn
rule 7 deny tcp destination-port eq 445
rule 8 deny udp destination-port eq 445
rule 9 deny tcp destination-port eq 539
rule 10 deny udp destination-port eq 539
rule 11 deny udp destination-port eq 593
rule 12 deny tcp destination-port eq 593
rule 13 deny udp destination-port eq 1434
rule 14 deny tcp destination-port eq 4444
rule 15 deny tcp destination-port eq 9996
rule 16 deny tcp destination-port eq 5554
rule 17 deny udp destination-port eq 9996
rule 18 deny udp destination-port eq 5554
rule 19 deny tcp destination-port eq 137
rule 20 deny tcp destination-port eq 138
rule 21 deny tcp destination-port eq 1025
rule 22 deny udp destination-port eq 1025
rule 23 deny tcp destination-port eq 9995
rule 24 deny udp destination-port eq 9995
rule 25 deny tcp destination-port eq 1068
rule 26 deny udp destination-port eq 1068
rule 27 deny tcp destination-port eq 1023
rule 28 deny udp destination-port eq 1023
#
ip route-static 0.0.0.0 0.0.0.0 222.222.222.254 preference 60   到电信网关的缺省路由
#
user-interface con 0
user-interface aux 0
user-interface vty 0 4
authentication-mode scheme
#
return
&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;&＃61;
dis cu
#
sysname Quidway
#
radius scheme system
server-type huawei
primary authentication 127.0.0.1 1645
primary accounting 127.0.0.1 1646
user-name-format without-domain

domain system
radius-scheme system
access-limit disable
state active
vlan-assignment-mode integer
idle-cut disable
self-service-url disable
messenger time disable

domain default enable system
#
local-server nas-ip 127.0.0.1 key huawei

local-user huawei                           用于WEB网管和TELNET
password simple huawei
service-type telnet level 3
#
vlan 1
#
vlan 10
#
vlan 20
#
vlan 30
#
vlan 40
#
interface Vlan-interface1                       管理IP
ip address 192.168.100.2 255.255.255.0
#
interface Aux0/0
#
interface Ethernet0/1
port access vlan 10
#
interface Ethernet0/2
port access vlan 10
#
interface Ethernet0/3
port access vlan 10
#
interface Ethernet0/4
port access vlan 10
#
interface Ethernet0/5
port access vlan 10
#
interface Ethernet0/6
port access vlan 10
#
interface Ethernet0/7
port access vlan 10
#
interface Ethernet0/8
port access vlan 10
#
interface Ethernet0/9
port access vlan 10
#
interface Ethernet0/10
port access vlan 10
#
interface Ethernet0/11
port access vlan 20
#
interface Ethernet0/12
port access vlan 20
#
interface Ethernet0/13
port access vlan 20
#
interface Ethernet0/14
port access vlan 20
#
interface Ethernet0/15
port access vlan 20
#
interface Ethernet0/16
port access vlan 20
#
interface Ethernet0/17
port access vlan 20
#
interface Ethernet0/18
port access vlan 20
#
interface Ethernet0/19
port access vlan 20
#
interface Ethernet0/20
port access vlan 20
#
interface Ethernet0/21
port access vlan 30
#
interface Ethernet0/22
port access vlan 30
#
interface Ethernet0/23
port access vlan 30
#
interface Ethernet0/24
port access vlan 30
#
interface Ethernet0/25
port access vlan 30
#
interface Ethernet0/26
port access vlan 30
#
interface Ethernet0/27
port access vlan 30
#
interface Ethernet0/28
port access vlan 30
#
interface Ethernet0/29
port access vlan 30
#
interface Ethernet0/30
port access vlan 30
#
interface Ethernet0/31
port access vlan 40
#
interface Ethernet0/32
port access vlan 40
#
interface Ethernet0/33
port access vlan 40
#
interface Ethernet0/34
port access vlan 40
#
interface Ethernet0/35
port access vlan 40
#
interface Ethernet0/36
port access vlan 40
#
interface Ethernet0/37
port access vlan 40
#
interface Ethernet0/38
port access vlan 40
#
interface Ethernet0/39
port access vlan 40
#
interface Ethernet0/40
port access vlan 40
#
interface Ethernet0/41
port access vlan 40
#
interface Ethernet0/42
port access vlan 40
#
interface Ethernet0/43
port access vlan 40
#
interface Ethernet0/44
port access vlan 40
#
interface Ethernet0/45
port access vlan 40
#
interface Ethernet0/46
port access vlan 40
#
interface Ethernet0/47
port access vlan 40
#
interface Ethernet0/48     上行口
port link-type trunk
port trunk permit vlan 1 10 20 30 40   只允许这几个VLAN标签透传
#
interface NULL0
#
user-interface aux 0
user-interface vty 0 4
#
return