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一.本系统目前网络现状 服务器单独在vlan1, 4006配置了三层路由, vlan1地址10.10.10.249,所有VLAN通过PIX515做NAT 上网。 PIX 内部地址:10.10.10.1,服务器的网关均指向10.10.10.249。 4006三层配置(部分): start-------------- interface Port-channel1.1 encapsulation dot1Q 2 ip address 10.10.10.249 255.255.255.0 no ip redirects no ip directed-broadcast ip pim sparse-mode ip cgmp ! interface Port-channel1.2 encapsulation dot1Q 10 ip address 10.10.11.1 255.255.255.0 ip helper-address 10.10.10.8 no ip redirects no ip directed-broadcast ip pim sparse-mode ip cgmp ! interface Port-channel1.3 encapsulation dot1Q 11 ip address 10.10.12.1 255.255.255.0 ip helper-address 10.10.10.8 no ip redirects no ip directed-broadcast ip pim sparse-mode ip cgmp ! ip classless ip route 0.0.0.0 0.0.0.0 211.45.90.1 ------------------------------------over------------------------------------------ PIX配置(静态映射和路由部分): ----------------------------------static& conduit------------------------------ tatic (inside,outside) udp a.b.c.188 domain 10.10.10.9 domain netmask 255.255.255.255 0 0 static (inside,outside) tcp a.b.c.188 ftp 10.10.10.9 ftp netmask 255.255.255.255 0 0 static (inside,outside) tcp a.b.c.188 www 10.10.10.3 www netmask 255.255.255.255 0 0 static (inside,outside) tcp a.b.c.186 smtp 10.10.10.8 smtp netmask 255.255.255.255 0 0 static (inside,outside) tcp a.b.c.186 pop3 10.10.10.5 pop3 netmask 255.255.255.255 0 0 static (inside,outside) tcp a.b.c.186 www 10.10.10.5 www netmask 255.255.255.255 0 0 conduit permit tcp host a.b.c.188 eq ftp any conduit permit udp host a.b.c.188 eq domain any conduit permit tcp host a.b.c.188 eq www any conduit permit tcp host a.b.c.186 any ----------------------------------route chapter-------------------------------- route outside 0.0.0.0 0.0.0.0 a.b.c.129 1 route inside 10.10.11.0 255.255.255.0 10.10.10.249 1 route inside 10.10.12.0 255.255.255.0 10.10.10.249 1 route inside 10.10.13.0 255.255.255.0 10.10.10.249 1 -------------over------------- PIX的outsie接联通的网络. 二、网络需求 因为联通网络不能提供足够的IP地址做所有服务器的发布.所以本单位决定再租用电信的一条链路来发布其他网站.如图所示. 请问这个系统应该怎么规划? 
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