Network Problem Solved but.....

[Imran .]

Okay. Problem is solved. I looked at router's routing table and i am
wondering why it was like this?
First let me tell u my network settings:
IP address of Router : 192.168.2.1
IP address of Laptop: 192.168.2.101
IP address of 2nd PC : 192.168.2.100  (Problematic)
I dont' have any system 192.168.2.2, however its showing up in the routing 
table. it was also added through ICMP redirect.

Now, look at the router's routing table below. 192.168.2.0 network
is directly connected. However, for 192.168.2.100 it got a gateway
address through ICMP redirect 84.63.0.1. So in order to reach this
sytem it was trying the gateway 84.53.0.1. Now i am wondering how
this ICMP redirect happened? does it have to do something with
security?

here is a part of routing table:
------------------------------------------------------------
Flags Network Address          Netmask               Gateway          
Interface
I         192.168.2.100          255.255.255.255       84.63.0.1         
9X€!܀9L
C        192.168.2.0             255.255.255.0           directly            
      LAN
I         192.168.2.2             255.255.255.255       81.202.40.1     
9X€!܀9L

Flags :  C - directly connected, S - static, R - RIP, I - ICMP
Redirect
---------------------------------------------------------------------
So i just reset router settings and now it doesn't have 84.63.0.1 as
gateway for 192.168.2.100. So now both linux and windows are working
fine. however, i should have saved router's log but i forgot. i have
firewalled disabled on router. should i turn it on?

thanks everybody,
cheers,
imran.


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