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7.5

Two network cards, Linux

Asked by BenthamLtd in Linux Setup, Linux, Unix Networking

Tags: two, network, cards, eth0, eth1, linux, red hat, nic

Dear experts,

This topic has been re-hashed time and time again so I'm sorry for posting it. That said, it's slightly easier than certain questions on here so I hope you'll jump right on it.

I have a Linux web server (Fedora 11) and it has two network cards.

The first, eth0, is connected to our company LAN. This works brilliantly and our domain controller even assigns the correct IP to it (10.0.0.8). This lets me connect to it locally (http, VNC, Samba, SSH, etc, etc) from my workstation. It's also the default connection at the moment.

The other network card, eth1, however, is connected directly to an independent router. This has it's own IP range (10.1.0.1 - 10.1.0.255). The idea being that the outside world connects to this server using this network card and router.

What would you guys recommend? Should I change the default connection around? How would you best do it?

I have attached some gumff from ifconfig and netstat -rn...I hope it helps.

Thank you as always.

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             [administrator@apache ~]$ ifconfig
eth0      Link encap:Ethernet  HWaddr 00:24:21:5C:DD:BE  
          inet addr:10.0.0.8  Bcast:10.0.0.255  Mask:255.255.255.0
          inet6 addr: fe80::224:21ff:fe5c:ddbe/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:389839 errors:0 dropped:0 overruns:0 frame:0
          TX packets:356858 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:63045165 (60.1 MiB)  TX bytes:409685444 (390.7 MiB)
          Interrupt:26 Base address:0x8000 
 
eth1      Link encap:Ethernet  HWaddr 00:05:5D:6E:96:0D  
          inet6 addr: fe80::205:5dff:fe6e:960d/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:8 errors:0 dropped:0 overruns:0 frame:0
          TX packets:193 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:838 (838.0 b)  TX bytes:38662 (37.7 KiB)
          Interrupt:16 Base address:0x2000 
 
lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:130 errors:0 dropped:0 overruns:0 frame:0
          TX packets:130 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:24108 (23.5 KiB)  TX bytes:24108 (23.5 KiB)
 
 
 
[administrator@apache ~]$ netstat -rn
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
10.0.0.0        0.0.0.0         255.255.255.0   U         0 0          0 eth0
0.0.0.0         10.0.0.5        0.0.0.0         UG        0 0          0 eth0

           
         

Two network cards, Linux

Asked by BenthamLtd in Linux Setup, Linux, Unix Networking

Tags: two, network, cards, eth0, eth1, linux, red hat, nic

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