Bug 319 - linux is not routing
Summary: linux is not routing
Status: CLOSED NOTABUG
Alias: None
Product: Red Hat Linux
Classification: Retired
Component: distribution   
(Show other bugs)
Version: 5.2
Hardware: All Linux
medium
medium
Target Milestone: ---
Assignee: David Lawrence
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Blocks:
TreeView+ depends on / blocked
 
Reported: 1998-12-06 21:57 UTC by jean-francois.landry
Modified: 2008-05-01 15:37 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 1998-12-08 19:29:26 UTC
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Description jean-francois.landry 1998-12-06 21:57:41 UTC 
I am using linux boxes as routers.
I have two NE2000 compatible card in each linux box.

I have done all the "ifconfig" and "route add" stuff.
Ping is working on all interfaces.

My problem is that even if the routes are there
( I have check with netstat -rn ),the linux box is not
routing packet?

as an exemple:
I have this problem when the linux box is receiving packet
on eth1 that are destinated to the LAN on eth0 ( from eth1
I am trying to
ping a host on eth0 LAN).
The packet are never sent to LAN on eth0.

But, it is working if received packets on eth1 are
destinated to eth0 interface itself ( from eth1 I ping the
IP address of eth0 interface) .


thanks you!
jfl
Comment 1 Aleksey Nogin 1998-12-08 02:49:59 UTC 
Do you have IP Forwarding enabled?
Run "cat /proc/sys/net/ipv4/ip_forward". It should print "1" if you
have IP Forwarding enabled.
Comment 2 jean-francois.landry 1998-12-08 18:10:59 UTC 
Hi,
IP forwarding was not enable on my system.

thanks!

jfl
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