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DHCPµÄÒÉÎÊ£¡
DHCPµÄÒÉÎÊ£¡ - rainballdh [2006-10-20 20:16 | 2,184 byte(s)]
 
Re: DHCPµÄÒÉÎÊ£¡ - ElTopo [2006-10-21 02:25 | 82 byte(s)]
 
Subject: DHCPµÄÒÉÎÊ£¡
Author: rainballdh    Posted: 2006-10-20 20:16    Length: 2,184 byte(s)
[Original] [Print] [Top]
ÎÒµÄÁ½Ì¨É豸IPΪ192.168.1.200ºÍ192.168.1.100£¨100ÓÐÁ½ÕÅÍø¿¨eth0ΪÍâÍø¿Ú.eht1ΪÄÚÍø¿Ú,¾
²Ì¬ip=192.168.1.100£©¡£
200ΪDHCP·þÎñÆ÷£¬ÏÖÔÚ100ͨ¹ý200À´»ñÈ¡×Ô¶¯»ñÈ¡IP¡£
200µÄdhcpd.confµÄÅäÖÃÎļþ:

subnet 192.168.1.0 netmask 255.255.255.0{
option routers 192.168.1.100;
option subnet-mask 255.255.255.0;

option domain-name "example.com";
option domain-name-servers 202.98.96.68,61.139.2.69;
option time-offset -18000; #Eastern Standard Time range

range 192.168.1.3 192.168.1.253;
default-lease-time 21600;
max-lease-time 43200;
}



100µÄeth0½Ó200,eht1½ÓµÄÊÇÎҵĵçÄÔIPΪ192.168.1.25¡£
ÏÖÔÚeth0¿ÉÒÔ»ñÈ¡µ½IP192.168.1.18,eth1Ϊ¾²Ì¬IP192.168.1.100,µ«ÊÇÎÊÌâ³öÏÖÁË£ºÎÒµÄeth1ÎÞ·
¨SSHµÇ½£¬´ËʱÎÒµÄPC½ÓÉÏeth0ºó£¬eth0¿ÉÒÔSSHµÇ½£¬¶øÇÒ¿ÉÒÔSSHµÇ½192.168.1.18ºÍ192.168.
1.100¡£

ÎÒµÄÒÉÎÊ£º
ÎÒÎÞ·¨Àí½âPC½Óeth1ΪʲôPING²»Í¨192.168.1.100,Ò²ÎÞ·¨SSHµÇ½192.168.1.100£¬µ«ÊÇÎÒ½Óeth0
ºó¾ÍÄÜPINGͨ192.168.1.18ºÍ192.168.1.100,ͬʱ¶¼ÄܵǽÉÏÈ¥¡£Çë´ó¼Ò°ï棡

100µÄiptables:

iptables -F INPUT
iptables -F FORWARD
iptables -F POSTROUTING -t nat
iptables -A FORWARD -s 192.168.1.0/24 -j ACCEPT
iptables -A FORWARD -i eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A FORWARD -i ppp0 -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A FORWARD -i ppp1 -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -t nat -A POSTROUTING -o eth0 -s 192.168.1.0/24 -j MASQUERADE
iptables -t nat -A POSTROUTING -o ppp0 -s 192.168.1.0/24 -j MASQUERADE
iptables -t nat -A POSTROUTING -o ppp1 -s 192.168.1.0/24 -j MASQUERADE
iptables -A INPUT -p tcp -i eth0 --syn --dport 80 -j ACCEPT
iptables -A INPUT -p tcp -i ppp0 --syn --dport 80 -j ACCEPT
iptables -A INPUT -p tcp -i ppp1 --syn --dport 80 -j ACCEPT
sysctl -w net.ipv4.ip_forward=1
----
Ò»¶¨Òª¼á³Ö£¬²»Òª×Ô¼º·ÅÆú£¡
[Original] [Print] [Top]
Subject: Re: DHCPµÄÒÉÎÊ£¡
Author: ElTopo    Posted: 2006-10-21 02:25    Length: 82 byte(s)
[Original] [Print] [Top]
ÓÐÂÒÂë¿´²»Ì«¶®¡£°Ñ 100 µÄ·À»ðǽÏÈÔÝʱ¹Øµô¿´¿´£¬Èç¹û¿ÉÒÔÁ¬½Óµ½ 100 ˵Ã÷ÊÇ·À»ðǽ¸ãµÄ
[Original] [Print] [Top]
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