You need to be using a certain blade on the 5000 series switches to
support 802.1Q VLANs. I think the WS-X5225R card can do this. If that's
the case, set your encap to dot1q:
set trunk <mod/port> on dot1q
Joe Clarke
On Wed, 15 Aug 2001, Mike Hogsett wrote:
>
> Thanks this is very helpful. I have been banging on it this morning.
> I am using a Cisco Cat 5000 series swtich. Which trunk type should I
> be using? I have tried both "isl" and "dot1q" and neither are working
> at the moment...
>
> Thanks again,
>
> - Mike
>
> > At 04:18 PM 8/14/2001 -0700, Mike Hogsett wrote:
> >
> > >I have been reading and searching online and at FreeBSD.org for
> > >information regarding VLAN's and FreeBSD. What I have found looks
> > >promising. From the posts I found in various mail archives at
> > >FreeBSD.org it would appear that many people have been using a patch
> > >to "fix" the VLAN code for their systems. This patch appears to be
> > >for 4.2. Is this patch still required for 4.3-STABLE systems?
> >
> > from a recent copy of STABLE,
> >
> > man 4 vlan shows....
> >
> > The NICs that support oversized frames are as follows:
> > de(4) requires defining BIG_PACKET in the
> > /usr/src/sys/pci/if_de.c source file and rebuilding the
> > kernel. The hack works only for the 21041, 21140, and
> > 21140A chips.
> > fxp(4) supports long frames for the vlan natively.
> > tl(4) does support long frames.
> > tx(4) may begin supporting long frames soon.
> > xl(4) supports long frames only if the card is built on a newer
> > chip (Cyclone and above).
> > Note: Except for fxp(4), none of the above drivers inform the vlan driv
> > er
> > about their support for long frames. Just fix the MTU of a vlan inter-
> > face if it appears to be lower that 1500 bytes after attaching the vlan
> > to a parent interface that is known to support long frames.
> >
> >
> > I have used the fxp card with good results. The only annoying thing is that
> > I see a lot of run frame errors on the switch. I dont see any performance
> > hit, but its there none the less. e.g.
> >
> > ifconfig vlan0 192.168.1.1 netmask 255.255.255.252 vlan 123 vlandev fxp0
> > mtu 1500 up
> >
> > is all you need. I have a box with a 13 of these interfaces and it does
> > what I want with about 20Mb/s throughput.
> >
> > ---Mike
> >
> >
> >
> >
> > >Also, does FreeBSD (4.3-STABLE) support Cisco Etherchannel? If so,
> > >can I bond two interfaces together then setup VLANs on the logical
> > >bonded interface?
> > >
> > > - Michael Hogsett
> > >
> > >
> > >
> > >
> > >
> > >
> > >To Unsubscribe: send mail to [EMAIL PROTECTED]
> > >with "unsubscribe freebsd-stable" in the body of the message
> >
> > --------------------------------------------------------------------
> > Mike Tancsa, tel +1 519 651 3400
> > Network Administration, [EMAIL PROTECTED]
> > Sentex Communications www.sentex.net
> > Cambridge, Ontario Canada www.sentex.net/mike
>
> To Unsubscribe: send mail to [EMAIL PROTECTED]
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>
>
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