From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: Vlan communication
Date: Tue, 16 Nov 2010 08:52:15 +0100
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Le mercredi 17 novembre 2010 =C3=A0 15:15 +0800, Liew Kian Yang a =C3=A9=
crit :
> Dear All,
>=20
> Can I know is there any ways to make the vlan 1 interface able to sen=
d
> and receive data from the other vlan without using the vconfig to add
> the vlan in linux?

I dont understand your question.

If your problem is vconfig being not available, the answer is

ip link add link eth0 eth0.1 type vlan id 1