Loading IPv6 taking down interfaces

[Nathan Ehresman <nehresma css taylor edu>]

Hi all,

I'm have a fully patched ES4 machine with several virtual interfaces
(eth0:1 through eth0:4) that works fine until I load the ipv6 kernel
module, at which point all virtual interfaces go down.  Check this out
(w.x.y.z are publicly routable addresses):

--- begin ---

[root gabriel ~]# lsmod | grep ipv6
[root gabriel ~]# 
[root gabriel ~]# ip addr ls
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 brd 127.255.255.255 scope host lo
2: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:11:2f:7f:13:15 brd ff:ff:ff:ff:ff:ff
    inet 172.30.1.126/16 brd 172.30.1.255 scope global eth0
    inet w1.x1.y1.z1/24 brd w1.x1.y1.z1 scope global eth0:1
    inet w2.x2.y2.z2/24 brd w2.x2.y2.z2 scope global secondary eth0:2
    inet w3.x3.y3.z3/24 brd w3.x3.y3.z3 scope global secondary eth0:3
    inet w4.x4.y4.z4/24 brd w4.x4.y4.z4 scope global secondary eth0:4
[root gabriel ~]# 
[root gabriel ~]# modprobe ipv6
[root gabriel ~]# 
[root gabriel ~]# lsmod | grep ipv6
ipv6                  232833  6 
[root gabriel ~]# 
[root gabriel ~]# ip addr ls
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 brd 127.255.255.255 scope host lo
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:11:2f:7f:13:15 brd ff:ff:ff:ff:ff:ff
    inet 172.30.1.126/16 brd 172.30.1.255 scope global eth0
    inet6 fe80::211:2fff:fe7f:1315/64 scope link 
       valid_lft forever preferred_lft forever
3: sit0: <NOARP> mtu 1480 qdisc noop 
    link/sit 0.0.0.0 brd 0.0.0.0
[root gabriel ~]# 

--- end ---

Manually bringing up the interfaces after loading the ipv6 module gets
things working again.  This is annoying because several services (SSH
and Apache) use IPv6 and load the module during bootup, which in turn
takes down my 4 virtual interfaces.  Anybody else seeing this or have
any ideas what's causing it?

Thanks!

Nathan

-- 
nre
:wq