[Bugme-new] [Bug 4189] New: IPv6 link local addresses are not
assigned correctly on multiple-bonding enviromrnts
bugme-daemon at osdl.org
bugme-daemon at osdl.org
Thu Feb 10 00:00:14 PST 2005
http://bugme.osdl.org/show_bug.cgi?id=4189
Summary: IPv6 link local addresses are not assigned correctly on
multiple-bonding enviromrnts
Kernel Version: 2.6.10
Status: NEW
Severity: normal
Owner: yoshfuji at linux-ipv6.org
Submitter: ikebe.takashi at lab.ntt.co.jp
Distribution:Fedora core 3
Hardware Environment: x86, x86_64, NIC is e1000 x4
Software Environment: kernel 2.6.10
Problem Description:
IPv6 link local addresses are not assigned correctly on multiple-bonding
enviromrnts.
Same link local address is assigned to bond0 & bond1
bond0 Link encap:Ethernet HWaddr 00:04:23:A8:F7:78
inet addr:129.60.11.15 Bcast:129.60.11.255 Mask:255.255.255.0
inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:4109866 errors:0 dropped:0 overruns:0 frame:0
TX packets:2624 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:360539888 (343.8 MiB) TX bytes:352807 (344.5 KiB)
bond1 Link encap:Ethernet HWaddr 00:04:23:A8:F7:79
inet addr:129.60.11.21 Bcast:129.60.11.255 Mask:255.255.255.0
inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:2483103 errors:0 dropped:0 overruns:0 frame:0
TX packets:378 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:221572495 (211.3 MiB) TX bytes:47244 (46.1 KiB)
In the source, net/ipv6/addrconf.c, there is a function;
static int ipv6_generate_eui64(u8 *eui, struct net_device *dev)
It create ipv6 address from MAC address, however it seems dev->dev_addr is "0"
in the case of bonding.
Steps to reproduce:
1.set the multiple bonding to the machine.
(In my case, set 4 nics to use the bonding, and set the double bond as following
modprobe.conf.
alias bond0 bonding
options bond0 miimon=100 mode=1 max_bonds=2
options bond1 -o bonding1 miimon=100 mode=1
)
2.start the network.
3.show /sbin/ifconfig and check link local address.
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