Re: can't ping from router/gateway to client

On Tue, 26 Aug 2003 17:07:51 GMT, piet <pdhze@yahoo.co> wrote:
> I have setup a linux server to act as a router with ip forwarding.
> There are 2 computers connected to it. (xp)
>
> IP router: 192.168.1.14
> IP client: 192.168.1.15
> IP client: 192.168.1.17 portable
>
> The problem is with the 2nd client. With 192.168.1.15 I do not have
> this problem.
>
> The problem is: I can not ping from the server to the portable. I can
> ping from the portable to the server. On the portable internet, email
> etc. work fine.
>
> arp -a on the server gives:
> portable (192.1.68.1.17) at 00:DO:..... [ether] on eth0
> D5O.kabel.telenet.be (213.xxx.xxx.xxx) at OO:EO:... [ether] on eth1
>
> netstat -r on the server gives:
> destination gateway gen mask flags mss window irtt iface
> 213.224.153.0 * 255.255.255.0 U 0 0 0 eth1
> 192.168.1.0 * 255.255.255.0 U 0 0 0 eth0
> 127.0.0.0 * D5O.kabel.telenet.be 0.0.0.0 UG 0 0 0 eth1

Something munged those last 2 lines together.

> Does anyone have a clue?

Whether you know it or not, 192.1.68.1.17 may be running a firewall that
is blocking ping. Check its output of 'iptables -L' (or check its
firewall log). Or try swapping cables or hub/switch ports to see if there
is a problem there.

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David Efflandt wrote:
>
> Whether you know it or not, 192.1.68.1.17 may be running a firewall
> that is blocking ping. Check its output of 'iptables -L' (or check
> its firewall log). Or try swapping cables or hub/switch ports to see
> if there is a problem there.
>
There is no firewall running.

I suppose you want the output of iphains - L
Chain input (policy ACCEPT):
Chain forward (policy DENY):
target prot opt source destination
ports MASQ all ------ 192.168.1.0/24 anywhere
n/a MASQ all ------ 192.168.2.0/24 anywhere
n/a
Chain output (policy ACCEPT):