routes question
nilesh vaghela
nileshj.vaghela at gmail.com
Wed Jun 14 15:59:25 UTC 2006
try to give gateway at /etc/sysconfig/network
GATEWAY=XX.XX.XX.XX
remove it from both the nic.
then restrt the network services.
#service network restart.
then check route -n
Destination Gateway Genmask Flags Metric Ref Use
Iface
220.226.132.128 0.0.0.0 255.255.255.128 U 0 0 0 eth1
192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
0.0.0.0 220.226.132.129 0.0.0.0 UG 0 0 0 eth1
Some thing like last line should be apear.
Hope this will help you.
On 6/13/06, Romeo Theriault <romeotheriault at gmail.com> wrote:
>
> I've setup a gateway/router for a small internal network that we are
> using to disinfect virus ridden windows machines. eth0 serves the ip's
> to the internal network (192.168.1.1) and eth1 is connected to the
> internet (130.111.68.110).
>
> This works very well, except when I start the machine with the eth0
> network cable unplugged and then plug it back in after the machine has
> started. When this happens, people are still able to get an ip but are
> not able to get out on the internet. If I go on the server and try to
> ping something, it doesn't work, it's trying to use eth0 to ping and
> is getting a host unreachable. A restart with the cable plugged in
> seems to fix it.
>
> I'm thinking this has to do with setting routes. Though I'm not sure
> what routes are appropriate to set. Should eth0's route be
> 130.111.68.1? Does this sound like a route problem?
>
> Here is the output of the routes command:
>
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use
> Iface
> 192.168.1.0 * 255.255.255.0 U 0 0 0
> eth0
> 130.111.68.0 * 255.255.254.0 U 0 0 0
> eth1
> 169.254.0.0 * 255.255.0.0 U 0 0 0
> eth1
>
>
> Here are the contents from my ifcfg-ethx scripts:
> #eth0:
> # Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+
> DEVICE=eth0
> ONBOOT=yes
> BOOTPROTO=static
> IPADDR=192.168.1.1
> NETMASK=255.255.255.0
> GATEWAY=192.168.1.254
> HWADDR=00:30:BD:05:65:DF
>
>
> #eth1
> DEVICE=eth1
> BOOTPROTO=static
> IPADDR=130.111.68.110
> NETMASK=255.255.254.0
> GATEWAY=130.111.68.1
> HWADDR=00:C0:A8:F1:EF:39
> ONBOOT=yes
> TYPE=Ethernet
>
>
> and here is my ifconfig:
>
> eth0 Link encap:Ethernet HWaddr 00:30:BD:05:65:DF
> inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0
> inet6 addr: fe80::230:bdff:fe05:65df/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:259 errors:0 dropped:0 overruns:0 frame:0
> TX packets:353 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:28915 (28.2 KiB) TX bytes:222329 (217.1 KiB)
> Interrupt:11 Base address:0xc400
>
> eth1 Link encap:Ethernet HWaddr 00:C0:A8:F1:EF:39
> inet addr:130.111.68.110 Bcast:130.111.69.255 Mask:
> 255.255.254.0
> inet6 addr: fe80::2c0:a8ff:fef1:ef39/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:238459 errors:0 dropped:0 overruns:0 frame:0
> TX packets:2361 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:19817771 (18.8 MiB) TX bytes:234701 (229.2 KiB)
>
> 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:27 errors:0 dropped:0 overruns:0 frame:0
> TX packets:27 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:12146 (11.8 KiB) TX bytes:12146 (11.8 KiB)
>
>
>
>
> Thanks for anyone giving me some hints.
>
> Romeo
>
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--
Nilesh Vaghela
ElectroMech
Redhat Channel Partner and Training Partner
74, Nalanda Complex, Satellite Rd, Ahmedabad
25, The Emperor, Fatehgunj, Baroda.
www.electromech.info
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