Re: what about 5000 .. 10000 VLANs in one system?

From: Brooks Davis (brooks_at_one-eyed-alien.net)
Date: 11/14/03

  • Next message: John Polstra: "RE: what about 5000 .. 10000 VLANs in one system?" 
    Date: Fri, 14 Nov 2003 10:47:01 -0800
To: "."@babolo.ru

    On Fri, Nov 14, 2003 at 01:38:19PM +0300, "."@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.
    >
    > Does anybody has such expienence?
    > Stability? Performance?

    I think is should work, but performance may be poor. Currently,
    vlan_input() finds the correct vlan by searching the list of all vlans
    until it finds the correct one. For that many vlans, it might be
    necessicary to modify the code to use some form of balanced tree instead
    of a simple list. This should be fairly straight forward to fix.

    -- Brooks 

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