RE: FW: Curiosity in IPFW/Freebsd bridge. [more] 802.1q VLAN at fault?

From: Nickolay A. Kritsky (nkritsky_at_star-sw.com)
Date: 12/20/04

  • Next message: Lee Johnston: "FreeBSD Router : ARP who-has requests" 
    Date: Mon, 20 Dec 2004 21:32:27 +0300
To: asegu@borgtech.ca

    Hello asegu,

    This one should work OK. But do not forget to put parent interfaces in
    up and promisc mode in your rc.conf, otherwise you will not see any
    vlan-bridging.

    Sunday, December 19, 2004, 11:33:57 PM, asegu@borgtech.ca wrote:

    abc> Ok, the whole discussion to date led to how VLAN traffic wasn't being
    abc> registered by IPFW in my system. I think that it'll probably be too late
    abc> for a code change to fix my problem, so I'm going to go the route of
    abc> changing the network configuration.

    abc> I've rebuilt to 4.10 and.. And I had no luck there (IPFW _really_ doesn't
    abc> see the traffic now!). On the other hand, I've read about vlan pseudo-dev
    abc> and goten myself access to the switch's configuration.

    abc> So tomorrow evening I plan on changing the vlan id used to 3, and then in
    abc> freebsd, use the following configuration(and I post this to the list to
    abc> see if anybody knows that this is going to fail)

    fxp1 -->> router (uses ID 2)
    fxp0 -->> switch (uses ID 2, will switch to ID 3)
    abc> ifconfig vlan1 vlan 3 vlandev fxp0
    abc> ifconfig vlan0 vlan 2 vlandev fxp1

    abc> sysctl net.link.ether.bridge_cfg=vlan1,vlan0
    abc> sysctl net.link.ether.bridge_ipfw=1

    abc> Does anybody think this will allow IPFW to see the packets? or that this
    abc> will outright fail?

    abc> Thank you everybody,
    abc> Andrew 

    -- 
Best regards,
;  Nickolay A. Kritsky
; SysAdmin STAR Software LLC
; mailto:nkritsky@star-sw.com
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