- Tất cả cỏc mỏy bờn trong khụng cú địa chỉ IP thật trờn Internet,
4.2.1.4Kiểm tra IP Masquerading
- Bước 1: Kiểm tra kết nối cục bộ của cỏc mỏy nội bộ. ---
masq-client# ping 192.168.0.10
PING 192.168.0.10 (192.168.0.10): 56 data bytes
64 bytes from 192.168.0.10: icmp_seq=0 ttl=255 time=0.8 ms 64 bytes from 192.168.0.10: icmp_seq=1 ttl=255 time=0.4 ms 64 bytes from 192.168.0.10: icmp_seq=2 ttl=255 time=0.4 ms 64 bytes from 192.168.0.10: icmp_seq=3 ttl=255 time=0.5 ms --- 192.168.0.10 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max = 0.4/0.5/0.8 ms
---
- Bước 2: Kiểm tra kết nối mỏy cục bộ đến Server Masquerading. ---
masq-client# ping 192.168.0.1
PING 192.168.0.1 (192.168.0.1): 56 data bytes
64 bytes from 192.168.0.1: icmp_seq=0 ttl=255 time=0.8 ms 64 bytes from 192.168.0.1: icmp_seq=1 ttl=255 time=0.4 ms 64 bytes from 192.168.0.1: icmp_seq=2 ttl=255 time=0.4 ms
--- 192.168.0.1 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max = 0.4/0.5/0.8 ms
---
---
- Bước 3: Kiểm tra kết nối cục bộ của Server IP Masquerading. ---
masq-server# ping 192.168.0.1
PING 192.168.0.1 (192.168.0.1): 56 data bytes
64 bytes from 192.168.0.1: icmp_seq=0 ttl=255 time=0.8 ms 64 bytes from 192.168.0.1: icmp_seq=1 ttl=255 time=0.4 ms 64 bytes from 192.168.0.1: icmp_seq=2 ttl=255 time=0.4 ms 64 bytes from 192.168.0.1: icmp_seq=3 ttl=255 time=0.5 ms ^C
--- 192.168.0.1 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max = 0.4/0.5/0.8 ms
---
- Bước 4: Kiểm tra kết nối server IP Masquerading đến mỏy cục bộ. ---
masq-server# ping 192.168.0.10
PING 192.168.0.10 (192.168.0.10): 56 data bytes
64 bytes from 192.168.0.10: icmp_seq=0 ttl=255 time=0.8 ms 64 bytes from 192.168.0.10: icmp_seq=1 ttl=255 time=0.4 ms 64 bytes from 192.168.0.10: icmp_seq=2 ttl=255 time=0.4 ms 64 bytes from 192.168.0.10: icmp_seq=3 ttl=255 time=0.5 ms ^C
4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max = 0.4/0.5/0.8 ms
---
- Bước 5: Kiểm tra kết nối giao diện với bờn ngoài của server Masquerading.
--- masq-server# ping 12.13.14.15
PING 12.13.14.15 (12.13.14.15): 56 data bytes
64 bytes from 12.13.14.15: icmp_seq=0 ttl=255 time=0.8 ms 64 bytes from 12.13.14.15: icmp_seq=1 ttl=255 time=0.4 ms 64 bytes from 12.13.14.15: icmp_seq=2 ttl=255 time=0.4 ms 64 bytes from 12.13.14.15: icmp_seq=3 ttl=255 time=0.5 ms ^C (adsbygoogle = window.adsbygoogle || []).push({});
--- 12.13.14.15 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max = 0.4/0.5/0.8 ms
---
- Bước 6: Kiểm tra kết nối mỏy nội bộ đến giao diện bờn ngoài của server Masquerading.
--- masq-client# ping 12.13.14.15
PING 12.13.14.15 (12.13.14.15): 56 data bytes
64 bytes from 12.13.14.15: icmp_seq=0 ttl=255 time=0.8 ms 64 bytes from 12.13.14.15: icmp_seq=1 ttl=255 time=0.4 ms 64 bytes from 12.13.14.15: icmp_seq=2 ttl=255 time=0.4 ms 64 bytes from 12.13.14.15: icmp_seq=3 ttl=255 time=0.5 ms ^C
--- 12.13.14.15 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max = 0.4/0.5/0.8 ms
---