Date: Fri, 10 Jan 2003 23:26:46 +0100 (CET) From: Christoph Loibl <c@tix.at> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/46961: bridging between vlan-interfaces on same trunk interface does not work Message-ID: <200301102226.h0AMQkFQ009307@panic.tix.at>
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>Number: 46961 >Category: kern >Synopsis: bridging between vlan-interfaces on same trunk interface does not work >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Jan 10 14:30:01 PST 2003 >Closed-Date: >Last-Modified: >Originator: Christoph Loibl >Release: FreeBSD 4.7-RELEASE i386 >Organization: silver::server >Environment: System: FreeBSD panic.tix.at 4.7-RELEASE FreeBSD 4.7-RELEASE #2: Fri Oct 11 11:11:28 CEST 2002 root@panic.tix.at:/usr/obj/usr/src/sys/PANIC i386 CPU: Pentium/P55C (166.59-MHz 586-class CPU) Origin = "GenuineIntel" Id = 0x543 Stepping = 3 Features=0x8001bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,MMX> real memory = 100663296 (98304K bytes) avail memory = 93048832 (90868K bytes) >Description: briding beween vlan interfaces seems to be broken: configured 2 vlan interfaces & bridging: ifconfig vlan2 create ifconfig vlan3 create ifconfig vlan2 vlan 10 vlandev xl0 up ifconfig vlan3 vlan 11 vlandev xl0 up sysctl net.link.ether.bridge_cfg=vlan2,vlan3 sysctl net.link.ether.bridge=1 pinging a host on vlan3 from a host on vlan2 results in the arp-broadcast message beeing bridged from vlan2 to vlan3. the arp-reply is not bridged back to vlan2. the arp-reply can be seen tcpdumping the trunk interface (xl0) running tcpdump on vlan3 (the vlan where the arp-reply should come from) just sees the arp packet but not the reply it seems that bridging in this setup works only for ethernet-broadcasts but not for regular communication. >How-To-Repeat: see above config. >Fix: not using vlan interfaces for bridging >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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