[smokeping-users] Re: smokeping graphs stop generating

[Andy Harrison]

Hi Jeff,

The kernel version i'm using is 2.2.16-22 on RedHat 7.0. After having
problems similar to yours i resorted to installing fping via the
fping-2.4b2-2.i386.rpm installation. Looking at my graphs for the past few
weeks, all have been generating successfully. I'm not sure if Redhat was at
fault or the Fping source that i originally used, but its working at least.

Andy

-----Original Message-----
From: Jeff Foster [mailto:jfoste at woodward.com]
Sent: 27 August 2002 19:36
To: smokeping-users at list.ee.ethz.ch
Subject: [smokeping-users] Re: smokeping graphs stop generating




<lots deleted>

> I'm no expert, but this sounds suspiciously like a problem with TCP/IP
> rather than smokeping.

I have the same problem with smokeping and fping. I'm running Redhat 7.1 
with a 2.4.2 kernel and fping 2.4.2_to. 

Once the ping to the site fails fping can't ping the site anymore. I fping
the site outside of smokeping and it will also fail. Ping works fine.
I used tcpdump to check the network traffic on the computer and it shows
the ping request packets. However a sniffer monitoring the router ethernet
port doesn't see the packets.

I don't know enough about the Linux network stack to point my finger at a
specific section of the code. It is very interesting that the packet is 
visible to tcpdump but doesn't seem to make the wire.

Jeff Foster


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