Reply from 192.168.2.1: bytes=32 time=6ms TTL=128 Reply from 192.168.2.1: bytes=32 time<1ms TTL=128
Ping statistics for 192.168.2.1: Packets: Sent = 2, Received = 2, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 6ms, Average = 3ms
/* Ping ISA防火墙的LAN1接口*/
C:Documents and Settingsxx>ping 192.168.0.254 -n 2
Pinging 192.168.0.254 with 3
2 bytes of data: Reply from 192.168.0.254: bytes=32 time=1ms TTL=128 Reply from 192.168.0.254: bytes=32 time<1ms TTL=128
Ping statistics for 192.168.0.254: Packets: Sent = 2, Received = 2, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 1ms, Average = 0ms
/* Ping LAN1中的Server1*/ C:Documents and Settingsxx>ping 192.168.0.1 -n 2
Pinging 192.168.0.1 with 32 bytes of data:
Reply from 192.168.0.1: bytes=32 time=2ms TTL=127 Reply from 192.168.0.1: bytes=32 time<1ms TTL=127
Ping statistics for 192.168.0.1: Packets: Sent = 2, Received = 2, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 2ms, Average = 1ms
/*访问Server1上的ftp服务*/ C:Documents and Settingsxx>ftp 192.168.0.1 Connected to 192.168.0.1. 220 External ftp server ready... User (192.168.0.1:(none)): anonymous 331 User name okay, please send complete E-mail address as password. Password: 230 User logged in, proceed. ftp> dir 200 PORT Command successful. 150 Opening ASCII mode data connection for /bin/ls. drw-rw-rw- 1 user group 0 Jul 29 17:58 . drw-rw-rw- 1 user group 0 Jul 29 17:58 .. drw-rw-rw- 1 user group 0 Jul 29 17:58 AdminScripts drw-rw-rw- 1 user group 0 Jul 29 17:58 ftproot drw-rw-rw- 1 user group 0 Jul 29 17:58 wwwroot 226 Transfer complete. ftp: 收到 314 字节,用时 0.00Seconds 314000.00Kbytes/sec. ftp>
Reply from 192.168.2.1: bytes=32 time=6ms TTL=128 Reply from 192.168.2.1: bytes=32 time<1ms TTL=128
Ping statistics for 192.168.2.1: Packets: Sent = 2, Received = 2, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 6ms, Average = 3ms
/* Ping ISA防火墙的LAN1接口*/
C:Documents and Settingsxx>ping 192.168.0.254 -n 2
Pinging 192.168.0.254 with 32 bytes of data:
Reply from 192.168.0.254: bytes=32 time=1ms TTL=128 Reply from 192.168.0.254: bytes=32 time<1ms TTL=128
Ping statistics for 192.168.0.254: Packets: Sent = 2, Received = 2, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 1ms, Average = 0ms
/* Ping LAN1中的Server1*/ C:Documents and Settingsxx>ping 192.168.0.1 -n 2
Pinging 192.168.0.1 with 32 bytes of data:
Request timed out. Request timed out.
Ping statistics for 192.168.0.1: Packets: Sent = 2, Received = 0, Lost = 2 (100% loss),
Ping不通了?Why?相信你应该可以从上面的TCP/IP配置说明中分析出这一点。
我们再在LAN1中的Server1上进行测试:
/* 在Server1上进行测试*/
C:Documents and SettingsAdministrator>ipconfig /all
Windows IP Configuration
Host Name . . . . . . . . . . . . : Sydney Primary Dns Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Unknown IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No
/* Ping ISA防火墙的LAN1接口*/ C:Documents and SettingsAdministrator>ping 192.168.0.254
Pinging 192.168.0.254 with 32 bytes of data:
Reply from 192.168.0.254: bytes=32 time<1ms TTL=128 Reply from 192.168.0.254: bytes=32 time<1ms TTL=128 Ping statistics for 192.168.0.254: Packets: Sent = 2, Received = 2, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 0ms, Average = 0ms Control-C ^C
/* Ping ISA防火墙的LAN2接口*/ C:Documents and SettingsAdministrator>ping 192.168.2.1
Pinging 192.168.2.1 with 32 bytes of data:
Request timed out. Request timed out.
Ping statistics for 192.168.2.1: Packets: Sent = 2, Received = 0, Lost = 2 (100% loss), Control-C ^C
/* Ping 位于LAN2的Client1*/ C:Documents and SettingsAdministrator>ping 192.168.2.8
Pinging 192.168.2.8 with 32 bytes of data:
Request timed out.
Ping statistics for 192.168.2.8: Packets: Sent = 1, Received = 0, Lost = 1 (100% loss), Control-C ^C
位于LAN2的接口都Ping不通,Why?很简单,在Server1上没有到LAN2的路由。我们看看Server1的路由表: C:Documents and SettingsAdministrator>route print
IPv4 Route Table ============================================== Interface List 0x1 ........................... MS TCP Loopback interface 0x10003 ...00 03 ff ff 36 db ...... Intel 21140-Based PCI Fast Ethernet Ad