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	Konstantin V Falkov <unlim@voce.ru>
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Date: Wed, 11 Jan 2006 13:51:45 GMT
From: Konstantin V Falkov <unlim@voce.ru>
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Subject: misc/91665: Dublicate tun IP address
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>Number:         91665
>Category:       misc
>Synopsis:       Dublicate tun IP address
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Jan 11 14:00:10 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     Konstantin V Falkov
>Release:        5.4
>Organization:
Infinity.Net
>Environment:
FreeBSD gw.tehnosoft.ru 5.4-RELEASE FreeBSD 5.4-RELEASE #2: Tue Nov  8 15:11:44
MSK 2005     root@:/usr/src/sys/i386/compile/IGATE  i386
>Description:
Ioctl allows to set up same ip addresses on tun interfaces.
ppp configured with range on ip addressess can set ip same addresses on different tun interfaces and both will not work properly.              
>How-To-Repeat:
configure host ppp with only 1 client ip address and then make more the 1 connection...
or set up same ip on tun with ifconfig (FreeBSD 5.3 and above will return File exists on try to set dublicate ip on different tuns)
>Fix:
              
>Release-Note:
>Audit-Trail:
>Unformatted: