Date: Thu, 5 Sep 2002 19:32:10 -0700 (PDT) From: Wada Keiji <keiji@hiemalis.org> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/42465: bridge and ipfw problem Message-ID: <200209060232.g862WAvE093853@www.freebsd.org>
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>Number: 42465
>Category: kern
>Synopsis: bridge and ipfw problem
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Sep 05 19:40:01 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Wada Keiji
>Release: FreeBSD 4.7-PRERELEASE
>Organization:
>Environment:
FreeBSD spinach.net2.jp 4.7-PRERELEASE FreeBSD 4.7-PRERELEASE #2: Wed Sep 4 01:57:27 JST 2002 keiji@spinach.net2.jp:/usr/src/sys/compile/SPINACH i386
1
>Description:
I use the FreeBSD bridge box with ipfw. But after Jul 9 , I have a
problem. At Jul 9, Mr.luigi changed some codes for bridge and ipfw.
The problem is that FreeBSD bridge box doesn't reply for arp who-has
packet to the machine that is known by the bridge box.
Below is the test condition.
The bridge box knows the poker,is NetBSD machine, MAC.
The poker doesn't know bridge box MAC.
-----
% sysctl -w net.link.ether.bridge=1
net.link.ether.bridge: 0 -> 1
% sysctl -w net.link.ether.bridge_ipfw=1
net.link.ether.bridge_ipfw: 0 -> 1
% sysctl -w net.link.ether.bridge_cfg=rl0,ed1
net.link.ether.bridge_cfg: -> rl0,ed1
% ipfw flush
Are you sure? [yn] y
Flushed all rules.
% tcpdump host poker
tcpdump: listening on rl0
16:35:26.720001 arp who-has spinach.net2.jp tell poker
16:35:27.725862 arp who-has spinach.net2.jp tell poker
16:35:28.735955 arp who-has spinach.net2.jp tell poker
-----
I tested, the kernel of Jul 8 is OK, but the kernel of Jul 10 is NG.
Please fix this problem.
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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