Date: Fri, 14 Nov 2003 10:49:04 -0800 (PST) From: John Polstra <jdp@polstra.com> To: "."@babolo.ru Cc: freebsd-net@freebsd.org Subject: RE: what about 5000 .. 10000 VLANs in one system? Message-ID: <XFMail.20031114104904.jdp@polstra.com> In-Reply-To: <1068806299.210616.7785.nullmailer@cicuta.babolo.ru>
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On 14-Nov-2003 "."@babolo.ru wrote: > > I remember that VLAN tag has 12 bits :-) > > I need in system with 5000 .. 10000 VLAN > interfaces on 2 .. 6 physical ethernets. Er, so what is your strategy for packing 5000-10000 different values into a 12-bit field? > Does anybody has such expienence? > Stability? Performance? I doubt it would perform very well. When a tagged packet comes into the system, the matching VLAN interface is found using a linear search. It will be pretty slow if there are a lot of VLANs. John
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