有關雙網卡NAT主機的問題 - Linux

By Ula
at 2011-03-07T21:07
at 2011-03-07T21:07
Table of Contents
大家好,我有一個問題想請問一下
我有一台linux的主機當作NAT,
然後我在linux的主機上透過藍芽接收器連接手機的網路(bnep0)上網,
接著我從linux主機另一張網卡eth1去連接另一台筆電,
想讓筆電可以透過linux主機的網路上網,
但是我發生一個問題就是只要我把eth1打開時,2台電腦都會沒有網路了,
我想應該是eth1的優先權比bnep0高,所以當eth1打開時就會先走eth1
但是eth1是沒連到網路的,所以2台都會沒網路,
這是我route的結果
Destination Gateway Genmask Flags Metric Ref Use Iface
172.10.20.0 * 255.255.255.240 U 5 0 0 bnep0
192.168.1.0 * 255.255.255.0 U 1 0 0 eth1
192.168.1.0 * 255.255.255.0 U 1 0 0 eth0
default 192.168.1.1 0.0.0.0 UG 0 0 0 eth0
可以看到bnep0那個介面的 metric是5,而eth1則是1,
我上網查metric的值好像是網卡的優先順序,
所以我想請問一下應該怎麼樣才能修改metric的值呢?
還是其實不是metric的問題,是別的問題,
如果有人會的話,麻煩教我一下,謝謝!!!!!
--
我有一台linux的主機當作NAT,
然後我在linux的主機上透過藍芽接收器連接手機的網路(bnep0)上網,
接著我從linux主機另一張網卡eth1去連接另一台筆電,
想讓筆電可以透過linux主機的網路上網,
但是我發生一個問題就是只要我把eth1打開時,2台電腦都會沒有網路了,
我想應該是eth1的優先權比bnep0高,所以當eth1打開時就會先走eth1
但是eth1是沒連到網路的,所以2台都會沒網路,
這是我route的結果
Destination Gateway Genmask Flags Metric Ref Use Iface
172.10.20.0 * 255.255.255.240 U 5 0 0 bnep0
192.168.1.0 * 255.255.255.0 U 1 0 0 eth1
192.168.1.0 * 255.255.255.0 U 1 0 0 eth0
default 192.168.1.1 0.0.0.0 UG 0 0 0 eth0
可以看到bnep0那個介面的 metric是5,而eth1則是1,
我上網查metric的值好像是網卡的優先順序,
所以我想請問一下應該怎麼樣才能修改metric的值呢?
還是其實不是metric的問題,是別的問題,
如果有人會的話,麻煩教我一下,謝謝!!!!!
--
Tags:
Linux
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