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Date: 9 Nov 1999 18:43:34 -0000
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Subject: i386/14806: if_tun.ko conflicts with built-in tunnel driver
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>Number:         14806
>Category:       i386
>Synopsis:       if_tun.ko conflicts with built-in tunnel driver
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Nov  9 10:50:01 PST 1999
>Closed-Date:
>Last-Modified:
>Originator:     Bill Trost
>Release:        FreeBSD 3.3-19991104-STABLE i386
>Organization:
Trost Computing
>Environment:

	

>Description:

	If if_tun.ko is loaded over a kernel containing a tunnel driver
	compiled in, "ppp -auto" does not work, although running ppp straight
	does.

>How-To-Repeat:

	Build a kernel with the line
		pseudo-device   tun     1
	in its config file and boot it.

	Run the following commands
		kldload if_tun.ko
		ppp -auto some_host

	Try to ping the remote end of the PPP link.  Expect an error like
	"host is down."

>Fix:
	
	Beyond "don't do that," I don't know what to do about the problem.
	It wouldn't be so bad if it weren's such a sneaky problem.

>Release-Note:
>Audit-Trail:
>Unformatted:


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