http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=753
Summary: bonding + vlans + bridging
Product: Xen
Version: 3.0.2
Platform: x86
OS/Version: Linux-2.6
Status: NEW
Severity: normal
Priority: P2
Component: Unspecified
AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
ReportedBy: xenspam@xxxxxxxxx
I have the following setup
eth1 -- + ___vlanXXX-br_(bridge)___
| | |
bond0 -> | vlanXXX vif0.0 -|- veth0 (has the only IP AND MAC)
| |_______________________|
eth0 -- +
Arp traffic don't get though. Everything works, If i run tcpdump on any of the
interfaces. It doesn't even have to be in promiscuous mode, running tcpdump
with -p (Donâ??t put the interface into promiscuous mode) makes arp entries
get set too.
Without tcpdump running no arp entries get set. If you manualy enter an arp
entry for a host it works fine.
I'll attach my startup script, ip addr show, brctl show, /proc/net/vlan/config,
and /proc/net/bonding/bond0, and dmesg output
--- startup script ---
#!/bin/sh
# read in config for dom0
. /etc/xen/network/dom0
modprobe bonding
modprobe 8021q
modprobe bridge
mac=`ip link show eth0 | grep 'link\/ether' | sed -e 's/.*ether
\(..:..:..:..:..:..\).*/\1/'`
ip link set bond0 down arp off
ip link set bond0 addr fe:ff:ff:ff:ff:ff
ip addr flush bond0
ip link set bond0 up
ifenslave bond0 eth0 eth1
vconfig set_name_type VLAN_PLUS_VID_NO_PAD
# vlans are stored in /etc/xen/network/vlans one number per line
# it'll create a vlanXXX-br bridge for eath vlan
for vlan in `cat /etc/xen/network/vlans` ; do
vconfig add bond0 ${vlan}
ip link set vlan${vlan} up
brctl addbr vlan${vlan}-br
brctl stp vlan${vlan}-br off
brctl setfd vlan${vlan}-br off
#ip link set vlan${vlan} down arp off
brctl addif vlan${vlan}-br vlan${vlan}
ip link set vlan${vlan}-br up
done
# setup dom0's ip addr on one of the vlan bridgs
# as defined in /etc/xen/network/dom0
brctl addif vlan${dom0_VLAN}-br vif0.0
ip link set veth0 addr $mac arp on
ip link set vif0.0 up
ip link set veth0 up
ethtool -K veth0 tx off
ifconfig veth0 mtu 1400
ip addr add ${dom0_IPADDR} broadcast ${dom0_BOADCAST} dev veth0
ip route add default via ${dom0_GATEWAY} dev veth0
--- ip addr show output ----
1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
2: vif0.0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
3: veth0: <BROADCAST,MULTICAST,UP> mtu 1400 qdisc noqueue
link/ether 00:0d:60:4e:48:80 brd ff:ff:ff:ff:ff:ff
inet 172.21.97.10/24 brd 172.21.97.255 scope global veth0
4: eth0: <BROADCAST,MULTICAST,SLAVE,UP> mtu 1500 qdisc pfifo_fast master bond0
qlen 1000
link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
5: eth1: <BROADCAST,MULTICAST,SLAVE,UP> mtu 1500 qdisc pfifo_fast master bond0
qlen 1000
link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
6: bond0: <BROADCAST,MULTICAST,NOARP,MASTER,UP> mtu 1500 qdisc noqueue
link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
7: vlan151: <BROADCAST,MULTICAST,NOARP,MASTER,UP> mtu 1500 qdisc noqueue
link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
8: vlan151-br: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
----- brctl show -----
# brctl show
bridge name bridge id STP enabled interfaces
vlan151-br 8000.feffffffffff no vlan151
vif0.0
---- /proc/net/vlan/config ---
VLAN Dev name | VLAN ID
Name-Type: VLAN_NAME_TYPE_PLUS_VID_NO_PAD
vlan151 | 151 | bond0
--- /proc/net/bonding/bond0 ----
Ethernet Channel Bonding Driver: v3.0.1 (January 9, 2006)
Bonding Mode: load balancing (round-robin)
MII Status: up
MII Polling Interval (ms): 0
Up Delay (ms): 0
Down Delay (ms): 0
Slave Interface: eth0
MII Status: up
Link Failure Count: 0
Permanent HW addr: 00:0d:60:4e:48:80
Slave Interface: eth1
MII Status: up
Link Failure Count: 0
Permanent HW addr: 00:0d:60:4e:48:81
------ dmesg output -----
[ 4.241856] NET: Registered protocol family 2
[ 5.110174] IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 5.111697] TCP established hash table entries: 8192 (order: 4, 65536 bytes)
[ 5.113015] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[ 5.114387] TCP: Hash tables configured (established 8192 bind 8192)
[ 5.115718] TCP reno registered
[ 5.117130] TCP bic registered
[ 5.118477] NET: Registered protocol family 1
[ 5.119811] NET: Registered protocol family 8
[ 5.121138] NET: Registered protocol family 20
[ 13.583165] ACPI: PCI Interrupt 0000:01:00.0[A] -> GSI 16 (level, low) ->
IRQ 18
[ 13.608167] eth0: Tigon3 [partno(BCM95704A41) rev 2002 PHY(serdes)]
(PCIX:133MHz:64-bit) 10/100/1000BaseT Ethernet 00:0d:60:4e:48:80
[ 13.611700] eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] Split[0]
WireSpeed[0] TSOcap[1]
[ 13.614293] eth0: dma_rwctrl[769f4000] dma_mask[64-bit]
[ 13.615686] ACPI: PCI Interrupt 0000:01:00.1[B] -> GSI 17 (level, low) ->
IRQ 19
[ 13.640281] eth1: Tigon3 [partno(BCM95704A41) rev 2002 PHY(serdes)]
(PCIX:133MHz:64-bit) 10/100/1000BaseT Ethernet 00:0d:60:4e:48:81
[ 13.643278] eth1: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] Split[0]
WireSpeed[0] TSOcap[1]
[ 13.645883] eth1: dma_rwctrl[769f4000] dma_mask[64-bit]
[ 37.972543] 802.1Q VLAN Support v1.8 Ben Greear <greearb@xxxxxxxxxxxxxxx>
[ 37.973966] All bugs added by David S. Miller <davem@xxxxxxxxxx>
[ 38.470076] Bridge firewalling registered
[ 38.561883] NET: Registered protocol family 17
[ 38.920085] bonding: bond0: Warning: failed to get speed and duplex from
eth0, assumed to be 100Mb/sec and Full.
[ 38.922690] bonding: bond0: enslaving eth0 as an active interface with an up
link.
[ 39.290077] bonding: bond0: Warning: failed to get speed and duplex from
eth1, assumed to be 100Mb/sec and Full.
[ 39.292682] bonding: bond0: enslaving eth1 as an active interface with an up
link.
[ 39.350118] vlan151: dev_set_promiscuity(master, 1)
[ 39.351448] device eth0 entered promiscuous mode
[ 39.352738] device eth1 entered promiscuous mode
[ 39.354082] device bond0 entered promiscuous mode
[ 39.355426] device vlan151 entered promiscuous mode
[ 39.359806] vlan151-br: port 1(vlan151) entering learning state
[ 39.379655] device vif0.0 entered promiscuous mode
[ 39.385422] vlan151-br: port 2(vif0.0) entering learning state
[ 43.350243] tg3: eth0: Link is up at 1000 Mbps, full duplex.
[ 43.351526] tg3: eth0: Flow control is off for TX and off for RX.
[ 43.700256] tg3: eth1: Link is up at 1000 Mbps, full duplex.
[ 43.701601] tg3: eth1: Flow control is off for TX and off for RX.
[ 54.360062] vlan151-br: topology change detected, propagating
[ 54.361410] vlan151-br: port 1(vlan151) entering forwarding state
[ 54.380060] vlan151-br: topology change detected, propagating
[ 54.381401] vlan151-br: port 2(vif0.0) entering forwarding state
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