Re: eth0 and eth1

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L. Christopher Luther wrote:

One red-flag that I quickly noticed is that the subnet defined for your eth0
include the subnet defined for your eth1. Change the subnet mask for eth0
to be /24 (255.255.255.0) from its /16 (255.255.0.0) so that the two
networks are really separate.


hth

On the ifconfig, they are different (eth0 is 255.255.0.0, and eht1 is 255.255.255.0). I don't know how to change this from the netstat....


169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth1

Don't even know where the 168.254.0.0 is coming from....that's not anywhere near the class of either my cable or dsl connection.

-----Original Message-----
From: John Nichel [mailto:jnichel@xxxxxxxxxx]
Sent: Monday, November 17, 2003 4:20 PM
To: redhat-list@xxxxxxxxxx
Subject: Re: eth0 and eth1


Ed Wilts wrote:


On Mon, Nov 17, 2003 at 02:26:16PM -0600, John Nichel wrote:


I've tried a few things, but to no avail, but I thought I should better explain what it is I'm trying to do, what I have done, and what my setup is in hopes that someone can understand my gibberish. :)


Please provide the following:
$ /sbin/ifconfig
$ netstat -rn

Note that the route for 0.0.0.0 is your default route.  You don't
usually specify it by giving it the adapter, but the address of the
router.  If it's dynamically assigned, then you need to get that defined
by dhcpd.



[root@web01 root]# /sbin/ifconfig
eth0      Link encap:Ethernet  HWaddr 00:E0:18:F7:66:3B
           inet addr:192.168.0.99  Bcast:255.255.255.255  Mask:255.255.0.0
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
           RX packets:1990 errors:0 dropped:0 overruns:0 frame:0
           TX packets:1977 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:100
           RX bytes:893708 (872.7 Kb)  TX bytes:341583 (333.5 Kb)
           Interrupt:9 Base address:0x8800

eth1      Link encap:Ethernet  HWaddr 00:09:5B:1B:68:F0
           inet addr:192.168.1.2  Bcast:192.168.1.255  Mask:255.255.255.0
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
           RX packets:515 errors:0 dropped:0 overruns:0 frame:0
           TX packets:874 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:100
           RX bytes:51159 (49.9 Kb)  TX bytes:54366 (53.0 Kb)
           Interrupt:10

lo        Link encap:Local Loopback
           inet addr:127.0.0.1  Mask:255.0.0.0
           UP LOOPBACK RUNNING  MTU:16436  Metric:1
           RX packets:45981 errors:0 dropped:0 overruns:0 frame:0
           TX packets:45981 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:3144129 (2.9 Mb)  TX bytes:3144129 (2.9 Mb)

[root@web01 root]# netstat -rn
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth1
192.168.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 192.168.1.254 0.0.0.0 UG 0 0 0 eth0




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