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Re: [K12OSN] OT - Linux router - I'm stuck <-long



here is another question:

Does it matter at all which interface is which?
in this instance
eth0 is the buildings network
eth1 is the route to the office
eth2 is the route to the highschool, the internet, and is the default route

would changing things around so eth0 goes to the high school, internet and is default make any difference at all?

If none of these work, I'll probably take the 3rd network card out of that machine, and setup another one to go to the district office


Tom Haynes wrote:


Tim...

While I am fundamentally a nice guy, I am not really the person to be
sorting out routing problems.

I am guessing that there are other folks on the list more able with this
kind of stuff, but they are hesitating to get in the middle of this when
they are not local.

I don't know exactly what to advise, but maybe someone will speak up.

Regards... Tom

-----Original Message-----
From: k12osn-bounces redhat com [mailto:k12osn-bounces redhat com]On
Behalf Of Tim Litwiller
Sent: Friday, March 26, 2004 8:32 AM
To: k12osn redhat com
Subject: Re: [K12OSN] OT - Linux router - I'm stuck <-long


Will someone tell me a better place to go ask this question?


Tim Litwiller wrote:



here is the network diagram

do=district office
rms=middle school
rhs=highschool
pe=elementary school

do network 172.16.96.x <-> 172.16.127.x netmask 255.255.224.0
eth1 do router ip address 172.16.96.1
eth0 do to rms interface ip 10.0.0.2 netmask 255.255.255.0
static routes
route add -net 172.16.32.0 netmask 255.255.224.0 gw 10.0.0.102
route add -net 172.16.0.0 netmask 255.255.224.0 gw 10.0.0.102
route add -net 172.16.64.0 netmask 255.255.224.0 gw 10.0.0.102
|
|  radios in bridge are set to 10.0.0.3 and 10.0.0.103
|
eth1 rms to do radio interface ip 10.0.0.103 netmask 255.255.255.0
eth0 rms router ip address 172.16.32.1
rms network 172.16.32.x <-> 172.16.63.x netmask 255.255.224.0
eth2 rms to rhs radio interface ip 10.0.1.2 netmask 255.255.255.0
route add -net 172.16.96.0 netmask 255.255.224.0 gw 10.0.0.2
route add -net 172.16.0.0 netmask 255.255.224.0 gw 10.0.1.102
route add -net 172.16.32.0 netmask 255.255.224.0 gw 10.0.1.102
|
| radios in bridge are set to 10.0.1.3 and 10.0.1.103
|
eth1 rhs to rms radio interface ip 10.0.1.102 netmask 255.255.255.0
eth0 rhs router ip address 172.16.1.1
rhs network 172.16.0.x <-> 172.16.31.x netmask 255.255.224.0
rhs gateway to internet 172.16.1.254
rhs windows file server 172.16.0.1
eth2 rhs to pe radio interface ip 10.0.2.3 netmask 255.255.255.0
route add -net 172.16.32.0 netmask 255.255.224.0 gw 10.0.1.2
route add -net 172.16.96.0 netmask 255.255.224.0 gw 10.0.1.2
route add -net 172.16.64.0 netmask 255.255.224.0 gw 10.0.2.102
|
| radios in bridge  are set to 10.0.2.3 and 10.0.2.103
|
eth0 pe to rhs radio interface ip 10.0.2.102 netmask
eth1 pe router ip address 172.16.64.1
pe network 172.16.64.x <-> 172.16.95.x netmask 255.255.224.0
route add -net 172.16.32.0 netmask 255.255.224.0 gw 10.0.2.2
route add -net 172.16.0.0 netmask 255.255.224.0 gw 10.0.2.2
route add -net 172.16.96.0 netmask 255.255.224.0 gw 10.0.2.2



the problem seems to be some setting on the rms router
at the console of the machine
from do I can ping rms
from rms I can ping rhs and pe and do
from rhs I can ping all and internet
from pe I can ping all and internet

from laptop on each network
from do I can ping do and rms
from rms I can ping do and rms
from rhs I can ping all and internet
from rhs I can ping all and internet

so rms isn't passing anything from eth1 and eth0 thru to eth2

in /etc/sysctrl I have
net.ipv4.ip_forward = 1
net.ipv4.conf.default.proxy_arp = 1

cat /proc/sys/net/ipv4/ip_forward  cat
/proc/sys/net/ipv4/conf/eth0/proxy_arp
cat /proc/sys/net/ipv4/conf/eth1/proxy_arp
cat /proc/sys/net/ipv4/conf/eth2/proxy_arp

the output of each of these is 1










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