Date: Fri, 17 Jun 2005 14:12:16 +0100 From: Meno Abels <meno.abels@gmail.com> To: Gleb Smirnoff <glebius@freebsd.org>, meno.abels@adviser.com, freebsd-net@freebsd.org Subject: Re: FreeBSD 5.4 802.1q and linux stalls Message-ID: <344de28705061706121fcf5040@mail.gmail.com> In-Reply-To: <20050617125049.GB45094@cell.sick.ru> References: <344de287050617043219810b3@mail.gmail.com> <20050617125049.GB45094@cell.sick.ru>
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no nothing like that.=20 Meno 2005/6/17, Gleb Smirnoff <glebius@freebsd.org>: > Meno, >=20 > On Fri, Jun 17, 2005 at 12:32:37PM +0100, Meno Abels wrote: > M> i have here a very strange problem which is in real a linux problem > M> but it is triggered by freebsd. I run a lan on which are linux 2.6.8(d= ebian) and > M> freebsd 5.4 systems are connected to a unmanaged gigabit switch. All s= ystems > M> uses this gigabit adapter: > M> Realtek Semiconductor Co., Ltd. RTL-8169 Gigabit Ethernet > M> Everything works fine until i do on one freebsd box the following: > M> ifconfig vlan0 172.20.21.1 netmask 255.255.255.0 vlan 2 vlandev re0 > M> i just do this, there is nowhere any configuration for 802.1q on any= other > M> machine on this lan. > M> What is happen now the freebsd continues to run without any problem, b= ut > M> all linuxs are stopping to understand any arp responses from a freebsd > M> nor an other linux. > M> So they stop to work over the time on this lan anymore. If I do > M> "ifconfig vlan0 unplumb" > M> it takes up to 10 minutes and the linux's are return to the working > M> status as before > M> the ifconfig vlan0... > M> I didn't not have any clue which network packet could cause these beha= vior in > M> a linux but there has to be one. Does anybody as any idea? >=20 > Try to tcpdump on linux when you create vlan on FreeBSD. Any unusual pack= et > at this moment? >=20 > M> On that lan there is UDP-Broadcast(spread) and multicast traffic(gangl= ia) > M> also there are around 120 carp addresses configured on the 10 freebsd = boxes. > M> Everything else is standard tcpip/nfs traffic. There is no firewall > M> rules on the interfaces on thes linuxs or the freebsds. >=20 > Any routing software? RIP or OSPF? >=20 > -- > Totus tuus, Glebius. > GLEBIUS-RIPN GLEB-RIPE > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >
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