ping to different network in linux

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# 1  
Old 08-02-2011
ping to different network in linux

Hi all,

please help solving my small issue
below is the configuration

I have 3 systems

sytem1 -------- system 2 ----------system 3

system 1 : & default gw
system2 : ip 1 : , ip 2:
system 3 : ip :

on system 2 : net.ipv4.ip_forward = 1

i am able to ping from system 2
I am able to ping from system 1
but i am not able to ping from system 1

please suggest what needs to be done ?
# 2  
Old 08-02-2011
whats system 2 & 3 default gateway?
# 3  
Old 08-02-2011
no gateway is configured for system 2 & system 3.

for ping to work i think it is enough if we configure default gateway to system 1
please confirm
# 4  
Old 08-02-2011
You'll need a gateway defined on system 3 too, either a default or a specific one for the other net, since otherwise the IP stack doesn't know where to send packets destined for a different network.
# 5  
Old 08-02-2011
Smilie i missed out that...
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