Subject: kern/16181: ex interface goes dumb in promiscuous mode
To: None <gnats-bugs@gnats.netbsd.org>
From: None <mihai@kefren.netbsd.ro>
List: netbsd-bugs
Date: 04/03/2002 19:56:33
>Number:         16181
>Category:       kern
>Synopsis:       ex interface goes dumb when entering promiscuous mode
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Apr 03 08:56:00 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     Mihai Chelaru
>Release:        NetBSD 1.5ZC
>Organization:
	
	RomTeleNet
>Environment:
	
	
System: NetBSD kefren.netbsd.ro 1.5ZC NetBSD 1.5ZC (Kefren) #1: Wed Apr 3 19:16:34 EEST 2002 mihai@kefren.netbsd.ro:/data/usr/src/sys/arch/i386/compile/Kefren i386
Architecture: i386
Machine: i386
>Description:
	
	I came again with this problem as it persists in ZC. When entering prom. mode, my link with the switch dies. Check this:
	bash-2.05# tcpdump -l -i ex0
	tcpdump: listening on ex0
	19:38:12.039737 802.1d config TOP_CHANGE 8000.00:07:eb:7b:9f:c0.800c root 8000.00:07:eb:7b:9f:c0 pathcost 0 age 0 max 20 hello 2 fdelay 15
	19:38:14.041666 802.1d config TOP_CHANGE 8000.00:07:eb:7b:9f:c0.800c root 8000.00:07:eb:7b:9f:c0 pathcost 0 age 0 max 20 hello 2 fdelay 15
	19:38:16.039839 802.1d config TOP_CHANGE 8000.00:07:eb:7b:9f:c0.800c root 8000.00:07:eb:7b:9f:c0 pathcost 0 age 0 max 20 hello 2 fdelay 15
	19:38:18.039894 802.1d config TOP_CHANGE 8000.00:07:eb:7b:9f:c0.800c root 8000.00:07:eb:7b:9f:c0 pathcost 0 age 0 max 20 hello 2 fdelay 15
	19:38:20.041663 802.1d config TOP_CHANGE 8000.00:07:eb:7b:9f:c0.800c root 8000.00:07:eb:7b:9f:c0 pathcost 0 age 0 max 20 hello 2 fdelay 15
	^C19:38:20.352781
	15 packets received by filter
	0 packets dropped by kernel

	tcpdump -p, works fine.

>How-To-Repeat:
	
	look up.
>Fix:
	
>Release-Note:
>Audit-Trail:
>Unformatted: