I have done this 2 years ago for FreeBSD 4-STABLE
in sys/net/if_vlan.c in vlan_config(), replace
if (p->if_data.ifi_type != IFT_ETHER)
return EPROTONOSUPPORT;
with
if (p->if_data.ifi_type != IFT_ETHER &&
p->if_data.ifi_type != IFT_L2VLAN)
return EPROTONOSUPPORT;
----- Original Message -----
From: "Donatas" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, December 18, 2004 7:31 PM
Subject: double vlans - once again.
ok, i'll simplify my question -
we have vlan traffic, which is transfered via double tagged vlans (nested
vlans). Such functions are supported in some advanced switches (AT-8948).
The problem is - we cannot route those double-tagged vlans using freebsd
machines. Or maybe it is possible?
let's say we've created vlan-1 and vlan-2, where vlan-2 parent device is
vlan-1 and vlan-1 parent device is physical network adapter. This procedure
seems impossible in freebsd.
I've mentioned netgraph only as possible solution. Interesting, what happens
when freebsd get's double-tagged frame?
thank you
Donatas Gendvilas
AB Lietuvos Radijos Ir Televizijos Centras
Duomenu Perdavimo Departamentas
Valdymo Centras
tel.: lokalus 444, 8-5-2525384, +37065266772
Sausio 13-osios g. 10, 04347 Vilnius 50, Lietuva
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