ensp三层单臂路由配置

ensp三层单臂路由配置步骤如下：

1. 配置接口IP地址和掩码
interface GigabitEthernet 0/0/1
ip address 192.168.1.1 24

2. 开启接口
interface GigabitEthernet 0/0/1
undo shutdown

3. 配置静态路由
ip route-static 0.0.0.0 0.0.0.0 192.168.1.254

4. 配置NAT
nat address-group 1 192.168.1.2 192.168.1.254
nat server global 1 protocol tcp inside 192.168.1.2 www outside interface GigabitEthernet 0/0/1 www

5. 配置ACL
acl number 3000
rule permit tcp source 192.168.1.0 0.0.0.255 destination any destination-port eq www
rule deny tcp source any destination any destination-port eq www
rule permit ip

6. 配置策略路由
policy-based-route route1
description "route to www server"
rule 10 permit source 192.168.1.2 0
apply ip-address next-hop 192.168.1.254

7. 应用ACL和策略路由
interface GigabitEthernet 0/0/1
traffic-filter inbound acl 3000
traffic-policy route route1 inbound

相关问题:
1. ensp三层单臂路由的优缺点是什么？
2. NAT的作用是什么？有哪些类型？
3. 策略路由和静态路由的区