kern/80137: Same IP on different interfaces

[Omer Faruk Sen]

>Number:         80137
>Category:       kern
>Synopsis:       Same IP on different interfaces
>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 Apr 20 10:50:28 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Omer Faruk Sen
>Release:        FreeBSD 5.4-Stable i386
>Organization:
>Environment:


	
>Description:
	It is possible to give the same IP address on different interfaces. This can lead to lose network connection
>How-To-Repeat:

rl0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
options=8<VLAN_MTU>
inet 192.168.6.49 netmask 0xffffff00 broadcast 192.168.6.255
inet6 fe80::250:fcff:fef6:20e8%rl0 prefixlen 64 scopeid 0x1
ether 00:50:fc:f6:20:e8
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active

rl1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
options=8<VLAN_MTU>
inet6 fe80::20d:61ff:fe92:c70d%rl1 prefixlen 64 scopeid 0x2
inet 192.168.6.49 netmask 0xffffff00 broadcast 192.168.6.255
ether 00:0d:61:92:c7:0d
media: Ethernet autoselect (none)

	
	
>Fix:

	


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