请以思科为例为我提供完整配置代码

以下是思科设备的完整配置代码。请注意，其中的IP地址、网关等参数需要按照实际需求进行修改。

! School Router
enable
configure terminal
hostname School
interface FastEthernet0/0
ip address 10.0.0.1 255.255.255.0
no shut
interface Serial0/0/0
ip address 10.1.0.1 255.255.255.0
clock rate 64000
no shut
exit
ip route 0.0.0.0 0.0.0.0 10.1.0.2

! Internet Router
enable
configure terminal
hostname Internet
interface FastEthernet0/0
ip address 10.2.0.1 255.255.255.0
no shut
interface Serial0/0/0
ip address 10.1.0.2 255.255.255.0
no shut
interface Serial0/0/1
ip address 10.3.0.1 255.255.255.0
clock rate 64000
no shut
exit
ip route 0.0.0.0 0.0.0.0 10.3.0.2

! Example Router
enable
configure terminal
hostname Example
interface Serial0/0/0
ip address 10.3.0.2 255.255.255.0
no shut
interface FastEthernet0/0
ip address 10.4.0.1 255.255.255.0
no shut
exit
ip route 0.0.0.0 0.0.0.0 10.3.0.1

! PC1
enable
configure terminal
hostname PC1
interface FastEthernet0
ip address 10.0.0.2 255.255.255.0
no shut
exit
ip route 0.0.0.0 0.0.0.0 10.0.0.1

! Local DNS Server
enable
configure terminal
hostname LocalDNS
interface FastEthernet0
ip address 10.0.0.3 255.255.255.0
no shut
exit
ip route 0.0.0.0 0.0.0.0 10.0.0.1

! Root DNS Server
enable
configure terminal
hostname RootDNS
interface FastEthernet0
ip address 10.2.0.2 255.255.255.0
no shut
exit
ip route 0.0.0.0 0.0.0.0 10.2.0.1

! authority.example.edu服务器
enable
configure terminal
hostname authority.example.edu
interface FastEthernet0
ip address 10.4.0.2 255.255.255.0
no shut
exit
ip route 0.0.0.0 0.0.0.0 10.4.0.1

! Web服务器
enable
configure terminal
hostname WebServer
interface FastEthernet0
ip address 10.4.0.3 255.255.255.0
no shut
exit
ip route 0.0.0.0 0.0.0.0 10.4.0.1