Re: ethernet routing
At Friday, 2 January 2004, Antony Gelberg <antony@antgel.co.uk> wrote:
>On Fri, Jan 02, 2004 at 10:46:06AM -0500, Debian User wrote:
>> in a previous post, i asked this question but not sure if an answer
>> was found ...
>>
>>
>> i am trying to set up a network in my office at work.
>>
>> +---------------+ +---------------+
>> | 192.168.1.100 |-----| 192.168.1.1 |
>> | 255.255.255.0 | | 255.255.255.0 | +---------------+
>> +---------------+ | 10.20.1.158 |---| 10.20.4.48 |
>> | 255.255.0.0 | | 255.255.0.0 |
>> +---------------+ +---------------+
>>
>> the 192.168.1.100 machine can ping the 192.168.1.1 and 10.20.1.158
>> interface but not the 10.20.4.48 interface. the 10.20.1.158 interface
>> can ping the 10.20.4.48 interface.
>>
>> my routing table is as follows:
>>
>> dest gateway genmask flags metric ref use iface
>> 192.186.1.0 * 255.255.255.0 u 0 0 0 eth1
>> 10.20.0.0 * 255.255.0.0 u 0 0 0 eth0
>> default 10.20.4.48 0.0.0.0 ug 0 0 0 eth0
>>
>>
>>
>> any suggestions as to what i am doing wrong?
>
>Not turning on IP routing? cat /proc/sys/net/ipv4/ip_forward. If it's
>0, routing is off.
>
>I suppose TDW for this is to set ip_forward=1 in /etc/network/options.
>What this does is effectively echo 1 > /proc/sys/net/ipv4/ip_forward
>
>A
right ... forgot about that. when i ping 10.20.4.48 from 192.168.
1.100, the requests time out. this tells me that there is a route
to the host ... if this matters. anyway, i am still unable to reach
10.20.4.48 from 192.168.1.100.
anything else?
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