Networking problem

Kevin J. Cummings cummings at kjchome.homeip.net
Sun May 15 01:58:47 UTC 2011


On 05/14/2011 09:45 PM, James McKenzie wrote:
> On 5/14/11 6:40 PM, JD wrote:
>> On 05/14/11 18:24, Joe Zeff wrote:
>>> On 05/14/2011 01:27 PM, JD wrote:
>>>> I also brought the fedora firewall down, and retried to ping Fedora
>>>> from Powerbook. No go!!
>>> That means that it's not a firewall issue.  Check your router config to
>>> see if it's set to allow pings inside the LAN.
>> Thanx!
>> I checked. The gateway has a built-in feature (program)
>> to let you ping any client on the lan (or any ip on the public net).
>> The gateway can ping both the powerbook and the fedora pc.
>> no problems there.
>> The fedora pc and the powerbook can ping the gw, and a third machine
>> connected to the GW by ethernet, and can of course ping addresses
>> on the public net.
>> They (fedora pc and powerbook) cannot ping each other!
>> Powerbook firewall is set to promiscuous mode.
>> And as I had stated earlier, I even stopped iptables on the
>> fedora pc, which puts it also in promiscuous mode (I assume).
>> Still these two machines refuse to talk.
>>
> Can you use traceroute to communicate between the two of them?

If nothing else, traceroute should show you the route between the 2
machines.  If the router's IP appears, then the packets are going
through the router.  Its a good backup to show that your ip routing
tables are set up properly....

> James McKenzie

-- 
Kevin J. Cummings
kjchome at verizon.net
cummings at kjchome.homeip.net
cummings at kjc386.framingham.ma.us
Registered Linux User #1232 (http://counter.li.org)


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