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Re: network issue



Min Chien Lim wrote:
My system has no problems accessing (telnet/pinging) systems with
129.146.210.xxx or 129.146.xxx.xxx IP addresses but when the IP

looks


like 129.xxx (something other than 146) .xxx.xxx, it cannot
ping/telnet to it.  Doing a ypmatch on 129.xxx.xxx.xxx has no
problems.  Any clues?


What does your routing table look like?

netstat -rn

Paul.

It looks like

-bash-2.05b# netstat -rn
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
129.146.210.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 129.146.210.250 0.0.0.0 UG 0 0 0 eth0

You can send packets to 129.146.210.* because your are directly connected to that network.


Packets for anywhere else go to your router at 129.146.210.250 so you'd need to check out the netmasks and routing tables on that router to find out what was happening.

(I'm assuming that "/sbin/ifconfig eth0" on your machine would show an IP address somewhere in 129.146.210.* and a netmask of 255.255.255.0).

Paul.


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