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List:       linux-ha-dev
Subject:    Re: [Linux-ha-dev] ppp-udp don't work
From:       Alan Robertson <alanr () bell-labs ! com>
Date:       2000-02-23 14:45:13
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Qiming Liang wrote:
> 
> Hi,
> 
> I met a problem while setting up ppp-udp for heartbeat.
> The ha.cf file is as follow:
> 
> keepalive 2
> deadtime 10
> #hopfudge 1
> #serial  /dev/ttyS1
> ppp-udp  /dev/ttyS1 192.168.0.1
> baud    19200
> udpport 1002
> #udp    eth1
> #watchdog /dev/watchdog
> #debugfile /var/log/ha-debug
> logfile /var/log/ha-log
> logfacility     local0
> node    node1.my.com
> node    node2.my.com
> 
> After heartbeat started, interface ppp0 is running, and I can ping each
> other through
> ppp0.
> But each heartbeat machine could not feel the other one, thus they take
> over all virtual
> IPs.
> If I change ppp-udp back to serial mode, it works.
> 
> Would anybody explain how this happen?  Thanks a lot.
> 
> Yours, Cliff Liang

Hi Cliff,

First let me say that the "raw" serial implementation is smaller, better, faster
and more reliable than the ppp implementation.  I no longer recommend using the
ppp option.

However, having said that, it *should* work.  Do you have each end of the PPP
connection set to different addresses?  In other words, do your ha.cf files
assign each end of the connection a different address, or do they both set the
IP address to 192.168.0.1?

Have you started up everything with lots of debug?  If you start up heartbeat
manually with 5 or so -d options, it will dump out lots of semi-interesting
information.

	Thanks!

	-- Alan Robertson
	   alanr@unix.sh OR alanr@bell-labs.com

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