route syntax

Jeff Vian jvian10 at charter.net
Mon Jul 11 15:41:37 UTC 2005


On Mon, 2005-07-11 at 04:57 -0700, THUFIR HAWAT wrote:
> On 7/10/05, Michael Schwendt <mschwendt.tmp0501.nospam at arcor.de> wrote:
> > On Mon, 11 Jul 2005 04:09:40 +0200, Alexander Dalloz wrote:
> ...
> > According to the current routing table, both eth0 and eth1 point to
> > network 192.168.0.0, which is a problem for traffic that is supposed
> > to reach eth1.
> ...
> 
> well, I don't know why it works, but it does :)
> 
> I pinged caladan from the arrakis D-Link NIC with the following
> setup:
> 
> 
> 
> from arrakis:
> [root at arrakis init.d]#
> [root at arrakis init.d]# date
> Mon Jul 11 12:27:44 IST 2005
> [root at arrakis init.d]# whoami
> root
> [root at arrakis init.d]# pwd
> /etc/init.d
> [root at arrakis init.d]# route
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
> 192.168.0.0     *               255.255.255.0   U     0      0        0 eth1
> 192.169.1.0     *               255.255.255.0   U     0      0        0 eth0

You now show eth1 as IP 192.168.0.0 network and 192.168.1.0 network on
eth0.  Thus the NICs are on different subnets and it works as designed.

> [root at arrakis init.d]# ./network restart
> Shutting down interface eth0:                              [  OK  ]
> Shutting down interface eth1:                              [  OK  ]
> Shutting down loopback interface:                          [  OK  ]
> Disabling IPv4 packet forwarding:                          [  OK  ]
> Setting network parameters:                                [  OK  ]
> Bringing up loopback interface:                            [  OK  ]
> Bringing up interface eth0:                                [  OK  ]
> Bringing up interface eth1:                                [  OK  ]
> [root at arrakis init.d]# route
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
> 192.168.0.0     *               255.255.255.0   U     0      0        0 eth1
> 192.169.1.0     *               255.255.255.0   U     0      0        0 eth0
> 169.254.0.0     *               255.255.0.0     U     0      0        0 eth1
> [root at arrakis init.d]# ping 192.168.0.3
> PING 192.168.0.3 (192.168.0.3) 56(84) bytes of data.
> 64 bytes from 192.168.0.3: icmp_seq=0 ttl=128 time=1.59 ms
> 64 bytes from 192.168.0.3: icmp_seq=1 ttl=128 time=0.481 ms
> 64 bytes from 192.168.0.3: icmp_seq=2 ttl=128 time=0.472 ms
> 64 bytes from 192.168.0.3: icmp_seq=3 ttl=128 time=0.487 ms
> 64 bytes from 192.168.0.3: icmp_seq=4 ttl=128 time=0.467 ms
> 
> --- 192.168.0.3 ping statistics ---
> 5 packets transmitted, 5 received, 0% packet loss, time 4010ms
> rtt min/avg/max/mdev = 0.467/0.699/1.590/0.445 ms, pipe 2
> [root at arrakis init.d]# ifconfig
> eth0      Link encap:Ethernet  HWaddr 00:0A:E6:A0:24:27
>           inet addr:192.169.1.2  Bcast:192.169.1.255  Mask:255.255.255.0
>           inet6 addr: fe80::20a:e6ff:fea0:2427/64 Scope:Link
>           UP BROADCAST MULTICAST  MTU:1500  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:81 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:0 (0.0 b)  TX bytes:4718 (4.6 KiB)
>           Interrupt:5 Base address:0xd400
> 
> eth1      Link encap:Ethernet  HWaddr 00:0D:88:37:FA:22
>           inet addr:192.168.0.1  Bcast:192.168.0.255  Mask:255.255.255.0
>           inet6 addr: fe80::20d:88ff:fe37:fa22/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:182 errors:13 dropped:0 overruns:0 frame:0
>           TX packets:98 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:22954 (22.4 KiB)  TX bytes:6884 (6.7 KiB)
>           Interrupt:5 Base address:0xd000
> 
> 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:139 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:139 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:13021 (12.7 KiB)  TX bytes:13021 (12.7 KiB)
> 
> [root at arrakis init.d]#
> 
> 
> 
> 
> 
> 
> 
> from caladan:
> 
> C:\>ping 192.168.0.2
> 
> Pinging 192.168.0.2 with 32 bytes of data:
> 
> Request timed out.
> Request timed out.
> Request timed out.
> Request timed out.
> 
> Ping statistics for 192.168.0.2:
>     Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
> Approximate round trip times in milli-seconds:
>     Minimum = 0ms, Maximum =  0ms, Average =  0ms
> 
> C:\>ping 192.168.0.1
> 
> Pinging 192.168.0.1 with 32 bytes of data:
> 
> Reply from 192.168.0.1: bytes=32 time<10ms TTL=64
> Reply from 192.168.0.1: bytes=32 time<10ms TTL=64
> Reply from 192.168.0.1: bytes=32 time<10ms TTL=64
> Reply from 192.168.0.1: bytes=32 time<10ms TTL=64
> 
> Ping statistics for 192.168.0.1:
>     Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
> Approximate round trip times in milli-seconds:
>     Minimum = 0ms, Maximum =  0ms, Average =  0ms
> 
> C:\>
> C:\>ipconfig /all
> 
> Windows 2000 IP Configuration
> 
>         Host Name . . . . . . . . . . . . : CALADAN
>         Primary DNS Suffix  . . . . . . . :
>         Node Type . . . . . . . . . . . . : Broadcast
>         IP Routing Enabled. . . . . . . . : No
>         WINS Proxy Enabled. . . . . . . . : No
> 
> Ethernet adapter Local Area Connection:
> 
>         Connection-specific DNS Suffix  . :
>         Description . . . . . . . . . . . : 3Com EtherLink XL 10/100 PCI
> For Complete PC Management NIC (3C905C-TX)
>         Physical Address. . . . . . . . . : 00-50-DA-68-8C-B2
>         DHCP Enabled. . . . . . . . . . . : Yes
>         Autoconfiguration Enabled . . . . : Yes
>         IP Address. . . . . . . . . . . . : 192.168.2.120
>         Subnet Mask . . . . . . . . . . . : 255.255.255.0
>         Default Gateway . . . . . . . . . : 192.168.2.1
>         DHCP Server . . . . . . . . . . . : 192.168.2.1
>         DNS Servers . . . . . . . . . . . : 192.168.2.1
>         Lease Obtained. . . . . . . . . . : Monday, July 11, 2005 4:33:23
>  AM
>         Lease Expires . . . . . . . . . . : Monday, July 18, 2005 4:33:23
>  AM
> 
> C:\>
> 
> 
> I have no idea why that works, but it does :)
> 
> 
> anyhow, I'm now satisfied that the D-Link NIC works under
> linux.  I've already satisfied myself that the built-in
> NIC works under linux.
> 
> I'm off to setup masquerading, as per
> http://www.tldp.org/HOWTO/Masquerading-Simple-HOWTO/intro.html>.
> The only wrinkle is that I'm using an asus wl-330g w-fi
> network adapter,
> <http://usa.asus.com/prog/spec.asp?m=WL-330g&langs=09>,
> and while it can be configured from linux it's easier
> to configure it from windows 2000, since arrakis is dual
> boot.
> 
> so, I'll configure the asus adapter for arrakis from
> windows 2000.  The adapter, I assume, will have to
> connect to the D-Link NIC because that's the NIC
> it connects to under windows.
> 
> Anyhow, thank you for the help with this thread and
> many previous :)
> 
> 
> -Thufir
> 




More information about the users mailing list