Date: Wed, 12 Mar 2008 22:20:45 +0100 (CET) From: "Remko Lodder" <remko@elvandar.org> To: "Sean Chittenden" <sean@chittenden.org> Cc: freebsd-net@freebsd.org, Giulio Ferro <auryn@zirakzigil.org> Subject: Re: VLAN trunking and fragmentation Message-ID: <55002.195.64.94.120.1205356845.squirrel@galain.elvandar.org> In-Reply-To: <D8BE14C3-9897-4F19-A5AC-6770995423E5@chittenden.org> References: <47D7C34E.8060805@zirakzigil.org> <D8BE14C3-9897-4F19-A5AC-6770995423E5@chittenden.org>
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On Wed, March 12, 2008 8:38 pm, Sean Chittenden wrote: >> interface ethernet 1/g1 >> switchport mode trunk >> switchport trunk allowed vlan add 10 >> exit > > I think this is an issue with default VLAN membership. I have this > config running on *hundreds* of servers without issue. Since Dell > should be a cisco rip-off, on your switchport config, throw in > (haven't tested this, on dell's CLI): > > switchport trunk encapsulation dot1q > > then change your ifconfig foo to: > > cloned_interfaces="vlan10 vlan11" > ifconfig_re0="media 100baseTX mediaopt full-duplex" > ifconfig_vlan10="vlan 10 vlandev re0" > ifconfig_vlan10_alias0="inet 192.168.60.1 netmask 255.255.255.0" > ifconfig_vlan11="vlan 11 valndev re0" > ifconfig_vlan11_alias0="inet 192.168.100.1 netmask 255.255.255.0" > > FWIW, I think you'll find fewer gray hairs if you stick to the > convention of using a vlan device that has the same VLAN tag. You may > be able to have a default VLAN, but I consider it poor practice to > rely on default VLAN membership. > > There are good reasons to have a default VLAN configured, but this > doesn't sound like one of those cases. > > Stick with explicit VLAN tagging on your servers and you can't go wrong. > > -sc > > -- > Sean Chittenden > sean@chittenden.org > http://sean.chittenden.org/ > For what it's worth: I am using the above setup a lot and that works fine for me! -- /"\ Best regards, | remko@FreeBSD.org \ / Remko Lodder | remko@EFnet X http://www.evilcoder.org/ | / \ ASCII Ribbon Campaign | Against HTML Mail and News
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