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Date: Wed, 1 Feb 2012 09:57:51 -0500 From: yao zhao <yao.development@...il.com> To: Eric Dumazet <eric.dumazet@...il.com> Cc: Leonardo Uzcudun <uzcudunl@...oo.it>, "netdev@...r.kernel.org" <netdev@...r.kernel.org> Subject: Re: VLAN 1 - Native On Wed, Feb 1, 2012 at 9:50 AM, yao zhao <yao.development@...il.com> wrote: > > > On Wed, Feb 1, 2012 at 8:04 AM, Eric Dumazet <eric.dumazet@...il.com> wrote: >> >> Le mercredi 01 février 2012 à 11:24 +0000, Leonardo Uzcudun a écrit : >> > ________________________________ >> > Da: Leonardo Uzcudun <uzcudunl@...oo.it> >> > A: "netdev@...r.kernel.org" <netdev@...r.kernel.org> >> > Inviato: Mercoledì 1 Febbraio 2012 12:22 >> > Oggetto: VLAN 1 - Native >> > >> > Hello: >> > >> > I'm connecting my Linux computer (debian 2.6.32-5) to a switch to >> > implement vlans. >> > >> > All is working fine except for the VLAN 1. Of sure you are aware of >> > this situation and i would like to knoe if there is any parameter or >> > setting that i should set in the vlan (linux side, not switch) >> > configuration. Here's my configuration: >> > ip addr add 0.0.0.0 dev eth0 >> > ip link set eth0 up >> > ip link add link eth0 name eth0.1 type vlan id 1 >> > ip link add link eth0 name eth0.101 type vlan id 101 >> > ip addr add 0.0.0.0 dev eth0.1 >> > ip addr add 0.0.0.0 dev eth0.101 >> > ip link set eth0.101 up >> > ip link set eth0.1 up >> > brctl addbr br_vlan_1 >> > brctl addbr br_vlan_101 >> > brctl addif br_vlan_1 eth0.1 >> > brctl addif br_vlan_101 eth0.101 >> > ip addr add 0.0.0.0 dev br_vlan_1 >> > ip >> > addr add 0.0.0.0 dev br_vlan_101 >> > ip link set br_vlan_1 up >> > ip link set br_vlan_101 up >> > >> > Traffic on vlan 101 is working fine. Traffic on VLAN 1 is not working >> > cause the packets are going out from eth0 like tagged. How could i set >> > the VID 1 as untagged? >> >> What do you mean by "sending packets for VID 1, untagged " ? >> on switch like Cisco: vlan 1 is the native vlan or default vlan so it is untagged. untagged means packet has no vlan header. >> >> What is the difference between vlan 101 and vlan 1 ? No other difference. Just because it is vlan 1 which is special in switches(of course it can be changed on switch side but he doesn't want to) >> >> >> >> >> >> >> -- >> To unsubscribe from this list: send the line "unsubscribe netdev" in >> the body of a message to majordomo@...r.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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