Gerald, Have a look at the patch I sent to support "Q in Q": http://www.candelatech.com/pipermail/vlan/2005-July/000451.html In fact, you should read the whole thread as it raised certain issues that you need to be aware of before attempting Q in Q. Alex On Wed, 8 Mar 2006 11:15:09 +0100 <linuxvlan@xxxxxxx> wrote: > Hi all, > we face a problem when using a stacked VLAN with PPPoE, the inner > VLAN tag is always missing in the packets sent. > Playing with the REORDER_HDR flag does not help. Also the problem > neither depends on the Linux kernel version nor does it > depened on the ethernet hardware. Neverless I append the complete > information here. > > Any help is appreciated. > > Best Regards, > Gerald Klix > > Kernel version: > Linux vesuv6 2.4.20-4GB #1 Mon Mar 17 17:54:44 UTC 2003 i686 unknown > unknown GNU/Linux > > /proc/net/vlan/config: > VLAN Dev name | VLAN ID > Name-Type: VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD > eth0.11 | 11 | eth0 > eth0.11.6 | 6 | eth0.11 > eth0.11.42 | 42 | eth0.11 > > /proc/net/vlan/eth0.11: > eth0.11 VID: 11 REORDER_HDR: 1 dev->priv_flags: 1 > total frames received: 0 > total bytes received: 0 > Broadcast/Multicast Rcvd: 0 > > total frames transmitted: 205 > total bytes transmitted: 42395 > total headroom inc: 0 > total encap on xmit: 0 > Device: eth0 > INGRESS priority mappings: 0:0 1:0 2:0 3:0 4:0 5:0 6:0 7:0 > EGRESSS priority Mappings: > > /proc/net/vlan/eth0.11.6: > eth0.11.6 VID: 6 REORDER_HDR: 0 dev->priv_flags: 1 > total frames received: 0 > total bytes received: 0 > Broadcast/Multicast Rcvd: 0 > > total frames transmitted: 193 > total bytes transmitted: 41403 > total headroom inc: 0 > total encap on xmit: 9 > Device: eth0.11 > INGRESS priority mappings: 0:0 1:0 2:0 3:0 4:0 5:0 6:0 7:0 > EGRESSS priority Mappings: > > lspci output: > 00:00.0 Host bridge: Intel Corp. 440BX/ZX/DX - 82443BX/ZX/DX Host > bridge(rev 03) > 00:01.0 PCI bridge: Intel Corp. 440BX/ZX/DX - 82443BX/ZX/DX AGP > bridge (rev 03) > 00:04.0 ISA bridge: Intel Corp. 82371AB/EB/MB PIIX4 ISA (rev 02) > 00:04.1 IDE interface: Intel Corp. 82371AB/EB/MB PIIX4 IDE (rev 01) > 00:04.2 USB Controller: Intel Corp. 82371AB/EB/MB PIIX4 USB (rev 01) > 00:04.3 Bridge: Intel Corp. 82371AB/EB/MB PIIX4 ACPI (rev 02) > 00:09.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M > [Tornado] (rev 74) > 00:0a.0 Network controller: AVM Audiovisuelles MKTG & Computer > System GmbH Fritz!PCI v2.0 ISDN (rev 01) > 01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 > AGP (rev 04) > > Lsmod output: > Module Size Used by Tainted: P > af_packet 12392 0 (autoclean) > ppp_async 6528 0 (autoclean) > ppp_generic 19644 0 (autoclean) [ppp_async] > 8021q 12808 3 > videodev 5600 0 (autoclean) > isa-pnp 29672 0 (unused) > ipv6 134388 -1 (autoclean) > mousedev 4148 0 (unused) > joydev 5632 0 (unused) > evdev 4032 0 (unused) > input 3104 0 [mousedev joydev evdev] > usb-uhci 22096 0 (unused) > usbcore 57836 1 [usb-uhci] > raw1394 14516 0 (unused) > ieee1394 32880 0 [raw1394] > 3c59x 26064 1 > capidrv 25268 2 > isdn 125356 2 [capidrv] > slhc 4624 0 [ppp_generic isdn] > capi 17440 0 > capifs 3472 1 [capi] > fcpci 540640 2 > kernelcapi 29536 4 [capidrv capi fcpci] > capiutil 22208 0 [capidrv kernelcapi] > lvm-mod 65412 0 (autoclean) > reiserfs 200532 1 > > Start of ppp configuration: > # Nachladen des PPPoE-Plugins - Der Pfad muss eventuell angepasst > # werden! first line Kernel mode > # second line user mode, but we can simply call 'pppd pty > # /usr/sbin/pppoe' > to get into user mode > > #t#pty /usr/sbin/pppoe > pty "/usr/sbin/pppoe -I eth0.11.6" > > # Dial On Demand > #demand > > Etherreal exported dump of PPPoE packtes captured with tcpdump: > No. Time Source Destination > Protocol Info > 65 9.333128 10.32.45.229 Broadcast > PPPoED > Active Discovery Initiation (PADI) > > Frame 65 (28 bytes on wire, 28 bytes captured) > Arrival Time: Mar 8, 2006 10:41:49.001867000 > Time delta from previous packet: 9.333128000 seconds > Time since reference or first frame: 9.333128000 seconds > Frame Number: 65 > Packet Length: 28 bytes > Capture Length: 28 bytes > Protocols in frame: eth:vlan:pppoed > Ethernet II, Src: 10.32.45.229 (00:50:da:47:53:9a), Dst: Broadcast > (ff:ff:ff:ff:ff:ff) > Destination: Broadcast (ff:ff:ff:ff:ff:ff) > Source: 10.32.45.229 (00:50:da:47:53:9a) > Type: 802.1Q Virtual LAN (0x8100) > 802.1Q Virtual LAN > 000. .... .... .... = Priority: 0 > ...0 .... .... .... = CFI: 0 > .... 0000 0000 0110 = ID: 6 > Type: PPPoE Discovery (0x8863) > PPP-over-Ethernet Discovery > 0001 .... = Version: 1 > .... 0001 = Type: 1 > Code: Active Discovery Initiation (PADI) (0x09) > Session ID: 0x0000 > Payload Length: 4 > PPPoE Tags > Service-Name: > > 0000 ff ff ff ff ff ff 00 50 da 47 53 9a 81 00 00 06 > .......P.GS..... 0010 88 63 11 09 00 00 00 04 01 01 00 00 > .c.......... > > No. Time Source Destination > Protocol Info > 89 14.350195 10.32.45.229 Broadcast > PPPoED > Active Discovery Initiation (PADI) > > Frame 89 (28 bytes on wire, 28 bytes captured) > Arrival Time: Mar 8, 2006 10:41:54.018934000 > Time delta from previous packet: 5.017067000 seconds > Time since reference or first frame: 14.350195000 seconds > Frame Number: 89 > Packet Length: 28 bytes > Capture Length: 28 bytes > Protocols in frame: eth:vlan:pppoed > Ethernet II, Src: 10.32.45.229 (00:50:da:47:53:9a), Dst: Broadcast > (ff:ff:ff:ff:ff:ff) > Destination: Broadcast (ff:ff:ff:ff:ff:ff) > Source: 10.32.45.229 (00:50:da:47:53:9a) > Type: 802.1Q Virtual LAN (0x8100) > 802.1Q Virtual LAN > 000. .... .... .... = Priority: 0 > ...0 .... .... .... = CFI: 0 > .... 0000 0000 0110 = ID: 6 > Type: PPPoE Discovery (0x8863) > PPP-over-Ethernet Discovery > 0001 .... = Version: 1 > .... 0001 = Type: 1 > Code: Active Discovery Initiation (PADI) (0x09) > Session ID: 0x0000 > Payload Length: 4 > PPPoE Tags > Service-Name: > > 0000 ff ff ff ff ff ff 00 50 da 47 53 9a 81 00 00 06 > .......P.GS..... 0010 88 63 11 09 00 00 00 04 01 01 00 00 > .c.......... > > No. Time Source Destination > Protocol Info > 130 24.360294 10.32.45.229 Broadcast > PPPoED > Active Discovery Initiation (PADI) > > Frame 130 (28 bytes on wire, 28 bytes captured) > Arrival Time: Mar 8, 2006 10:42:04.029033000 > Time delta from previous packet: 10.010099000 seconds > Time since reference or first frame: 24.360294000 seconds > Frame Number: 130 > Packet Length: 28 bytes > Capture Length: 28 bytes > Protocols in frame: eth:vlan:pppoed > Ethernet II, Src: 10.32.45.229 (00:50:da:47:53:9a), Dst: Broadcast > (ff:ff:ff:ff:ff:ff) > Destination: Broadcast (ff:ff:ff:ff:ff:ff) > Source: 10.32.45.229 (00:50:da:47:53:9a) > Type: 802.1Q Virtual LAN (0x8100) > 802.1Q Virtual LAN > 000. .... .... .... = Priority: 0 > ...0 .... .... .... = CFI: 0 > .... 0000 0000 0110 = ID: 6 > Type: PPPoE Discovery (0x8863) > PPP-over-Ethernet Discovery > 0001 .... = Version: 1 > .... 0001 = Type: 1 > Code: Active Discovery Initiation (PADI) (0x09) > Session ID: 0x0000 > Payload Length: 4 > PPPoE Tags > Service-Name: > > 0000 ff ff ff ff ff ff 00 50 da 47 53 9a 81 00 00 06 > .......P.GS..... 0010 88 63 11 09 00 00 00 04 01 01 00 00 > .c.......... > > > _______________________________________________ > Vlan mailing list > Vlan@xxxxxxxxxxxxxxx > http://www.lanforge.com/mailman/listinfo/vlan
