Date: Sat, 4 Jun 2005 11:14:55 -0700 From: John-Mark Gurney <gurney_j@resnet.uoregon.edu> To: sferreira@comcast.net Cc: freebsd-ipfw@freebsd.org, freebsd-net@freebsd.org Subject: Re: FREEBSD between two trunks Message-ID: <20050604181455.GA730@funkthat.com> In-Reply-To: <060320052044.5672.42A0C125000B8BF30000162822007511500E9D070A9D9D0A009C@comcast.net> References: <060320052044.5672.42A0C125000B8BF30000162822007511500E9D070A9D9D0A009C@comcast.net>
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sferreira@comcast.net wrote this message on Fri, Jun 03, 2005 at 20:44 +0000:
> I'm trying to setup DUMMYNET to emulate long delays, such as those encountered in satellite links. The problem is that I have to place my freebsd host between two trunks passing vlans (2,3,4,5,6).
>
> So the setup is:
>
> cisco swictch trunks vlan 2,3,4,5,6 <-> freebsd <--> cisco switch trunks vlan 2,3,4,5,6
>
>
> All the documents I could find related to this subject matter has the freebsd as an endpoint and not connecting two trunks. Also the freebsd has to be an invisible hop on the network, so it can not route this traffic. I had setup my freebsd in bridge mode but I could not get this setup to work.
You may need to increase your mtu to allow the full sized packets to pass
through... or you could setup a vlan w/ and id that isn't used and let that
adjust the mtu for you..
--
John-Mark Gurney Voice: +1 415 225 5579
"All that I will do, has been done, All that I have, has not."
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