user/2894: ppp locks up connection when in multilink and both lines are dropped simultaneously

>Number: 2894
>Category: user
>Synopsis: ppp locks up connection when in multilink and both lines are dropped simultaneously
>Confidential: no
net
>Environment:
        

	System      : OpenBSD 3.1
	Architecture: OpenBSD.i386
	Machine     : i386

	ppp is being run in multilink mode with 2 modems
	if an individual line is dropped, the redial happens ok
	if both lines are dropped simultaneously (eg session timeout)
	the connection is restored, however the link is inactive
	and no traffic is seen to cross the ppp link.  ppp can be killed
	and restarted and everything functions normally (until the next
	disconnection)

        /etc/ppp.conf is as follows

default:
 set log Phase Chat LCP IPCP CCP tun command  set device /dev/cua01
 set speed 115200
 set dial "ABORT BUSY ABORT NO\\sCARRIER TIMEOUT 5 \"\" AT OK-AT-OK ATE1Q0 OK \\dATDT\\T TIMEOUT 40 CONNECT"

pmdemand:
 set phone 86633700
 set login
 set ifaddr 10.0.0.1/0 10.0.0.2/0 255.255.255.0 0.0.0.0  set mrru 1500
 set mru 1504
 set authname ********
 set authkey ********
 set timeout 120
 set reconnect 20 10
 add default HISADDR
 enable dns

 clone 1,2
 link deflink remove
 link 1 set mode ddial
 link 2 set mode ddial
 link 1 set device /dev/cua00
 link 2 set device /dev/cua01
 link 1 set redial 10
 link 2 set redial 30

ppp is run as:

ppp -ddial pmdemand

	The redial/reconnect settings are academic.  It still happens
	whether or not they are there.

>Fix:

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>Release-Note:
Received on Thu Nov 7 16:19:38 2002