Hi Andreas, Is your BOX A eth0 card VLAN aware. If it is unaware it would be dropped by the card. Regards Salil On 8/23/06, Fernando Rodriguez <frod@xxxxxxxxxxxxx> wrote: > > Andreas, > > Have you done an ifconfig to see your interfaces listed ?? > > Maybe you need to add a eth0 with no vlan in order to keep those errors > from > showing > > It happened to me in a setup after i added an ip whith no vlan it stopped. > > > Fernando Rodriguez > AITelecom > -----Mensaje original----- > De: vlan-bounces@xxxxxxxxxxxxxxx [mailto:vlan-bounces@xxxxxxxxxxxxxxx] En > nombre de Andreas S?bstad > Enviado el: Martes, 22 de Agosto de 2006 04:14 p.m. > Para: vlan@xxxxxxxxxxxxxxx > Asunto: [VLAN] problem with basic topology > > Hi, > I'm trying to implement the following very basic topology: > > > box A: box B: > _______ eth0 eth0 _______ > | |_ _ _trunk _ _ _| | > |______| |_______| > > Both ethernetcards are 'PWLA8391GT (intel pro/1000 gt desktop adapter)'. > The 'e1000' driver is used on both computers. > The trunk is a crossover-cable connecting the two nics directly. > > Box A is runing debian etch(2.6.16-2-amd64-k8-smp) and has been > configured > with the following configuration: > > ip link set up dev eth0 > modprobe 8021q > vconfig set_name_type VLAN_PLUS_VID_NO_PAD > > vconfig add eth0 2 > ip addr add dev vlan2 10.10.2.2/24 broadcast 10.10.2.255 ip link set dev > vlan2 up > > vconfig add eth0 3 > ip addr add dev vlan3 10.10.3.2/24 broadcast 10.10.3.255 ip link set dev > vlan3 up > > vconfig add eth0 4 > ip addr add dev vlan4 10.10.4.2/24 broadcast 10.10.4.255 ip link set dev > vlan4 up > > ip route add default via 10.10.2.1 > > Box B is running debian sarge(2.6.15-1-686) and has been configured with > the > following configuration: > > ip link set up dev eth0 > modprobe 8021q > vconfig set_name_type VLAN_PLUS_VID_NO_PAD > > vconfig add eth0 2 > ip addr add dev vlan2 10.10.2.1/24 broadcast 10.10.2.255 ip link set dev > vlan2 up > > vconfig add eth0 3 > ip addr add dev vlan3 10.10.3.1/24 broadcast 10.10.3.255 ip link set dev > vlan3 up > > vconfig add eth0 4 > ip addr add dev vlan4 10.10.4.1/24 broadcast 10.10.4.255 ip link set dev > vlan4 up > > > If I test the nics without vlan they work perfectly. If I use them with > the > above mentioned conf then eth0 on box a won't recive anything while eth0 > on > box b is able to both transmitt and recive. > > > I did the following test: > > on box a: > > PING 10.10.2.1 (10.10.2.1) 56(84) bytes of data. > From 10.10.2.2 icmp_seq=1 Destination Host Unreachable From 10.10.2.2 > icmp_seq=2 Destination Host Unreachable From 10.10.2.2 icmp_seq=3 > Destination Host Unreachable > > tcpdump: WARNING: eth0: no IPv4 address assigned > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes > 22:47:43.081271 arp who-has 10.10.2.1 tell 10.10.2.2 22:47:44.080780 arp > who-has 10.10.2.1 tell 10.10.2.2 22:47:46.079810 arp who-has 10.10.2.1tell > 10.10.2.2 > 22:47:47.079327 arp who-has 10.10.2.1 tell 10.10.2.2 > 22:47:48.078966 arp who-has 10.10.2.1 tell 10.10.2.2 > > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on vlan2, link-type EN10MB (Ethernet), capture size 96 bytes > 22:48:34.087678 arp who-has 10.10.2.1 tell 10.10.2.2 > 22:48:35.087691 arp who-has 10.10.2.1 tell 10.10.2.2 > 22:48:36.087707 arp who-has 10.10.2.1 tell 10.10.2.2 22:48:38.087740 arp > who-has 10.10.2.1 tell 10.10.2.2 > > on box b: > > tcpdump: WARNING: eth0: no IPv4 address assigned > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes > 23:50:40.507796 arp reply 10.10.2.1 is-at 00:0e:0c:b3:9f:d6 > 23:50:41.507648 arp reply 10.10.2.1 is-at 00:0e:0c:b3:9f:d6 > 23:50:43.507542 arp reply 10.10.2.1 is-at 00:0e:0c:b3:9f:d6 > 23:50:44.507419 arp reply 10.10.2.1 is-at 00:0e:0c:b3:9f:d6 > > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on vlan2, link-type EN10MB (Ethernet), capture size 96 bytes > 22:52:11.076059 arp who-has 10.10.2.1 tell 10.10.2.2 > 22:52:12.076072 arp who-has 10.10.2.1 tell 10.10.2.2 > 22:52:14.076104 arp who-has 10.10.2.1 tell 10.10.2.2 > > If I do a 'cat /proc/net/dev' on box b I can see that data is being > recived > and transmitted on eth0 and vlan2 . > If I do a ' cat /proc/net/dev' on box a I can only see data being > transmitted on eth0 and eth2. There is no reciveing and no dropping of > packages on the same interfaces. I have tested with another > crossover-cable: same result. I have tried also to assign static macaddr > in > the arp table on both computers but eth0 on box a still wont recive > anything. > > > Anybody got any ideas on what I am doing wrong? > > > > Best Regards > > Andreas > _______________________________________________ > Vlan mailing list > Vlan@xxxxxxxxxxxxxxx > http://www.candelatech.com/mailman/listinfo/vlan > > > _______________________________________________ > Vlan mailing list > Vlan@xxxxxxxxxxxxxxx > http://www.candelatech.com/mailman/listinfo/vlan > -- Salil Mehta Software Engineer Conexant Systems, Inc +91 981 007 3412 -------------- next part -------------- An HTML attachment was scrubbed... URL: http://ns2.lanforge.com/pipermail/vlan/attachments/20060822/87851a0a/attachment-0001.html