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xen-users
Re: [Xen-users] bonding + vlans ALMOST working, NO ARP
I've seen that xen open suse package contains somes patch for bonding
I don't know if this is just a patch for bridge script or for netdev
driver too ...
I can't able to open it with alien + rpm under my debian sarge ...
maybe you or someone can ?
this is the link :
http://download.opensuse.org/distribution/SL-OSS-factory/inst-source/suse/src/xen-3.0.3_11134-4.src.rpm
Regards
Eli Criffield a écrit :
I'm very close to getting bonding + vlans + bridging to work.
The only part that's not working is ARP.
Why i have no idea? But if put in an arp entry for the default route
manually with 'arp -s 192.168.129.1 00:00:0C:07:0C:C9' everything
works great. (Everything that goes though the default route anyway).
Now if i run tcpdump on any of the interfaces involved in the bridge,
eth0, eth1, bond0, vlan151 or vlan151-br, vif0,0, or veth0 (i don't
rename any interfaces) then it works fine, I get arp replays. But if i
use 'ip' to turn on promisc any of the interfaces it doesn't work,
just like it doesn't work without promisc off.
The script is a little diffrent then the last one i posted, I'll atach
it at the end.
Basically I'm combining eth0 and eth1 into bond0, add vlans to bond0
named "vlanXXX" make a bridge named vlanXXX-br and add vlanXXX to it,
and then domU's are started with bridge=vlanXXX-br in there xen config
file to decide what vlan they should be part of.
So what is tcpdump doing to make arp work???
Eli
--- script ---
#!/bin/sh
# read in config for dom0
. /etc/xen/network/dom0
modprobe bonding
modprobe 8021q
modprobe bridge
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 00:0d:60:4e:48:88 arp on
ip link set vif0.0 up
ip link set veth0 up
ethtool -K veth0 tx off
ip addr add ${dom0_IPADDR} broadcast ${dom0_BOADCAST} dev veth0
ip route add default via ${dom0_GATEWAY} dev veth0
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http://lists.xensource.com/xen-users
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