On Mon, Mar 01, 2004 at 10:18:05AM +0100, Gebhardt Thomas wrote:
> On Friday 27 February 2004 16:28, Herbert Poetzl wrote:
>
> Hi,
>
> > > 3: eth1: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
> > > link/ether 00:07:e9:06:bb:08 brd ff:ff:ff:ff:ff:ff
> > > inet xxx.yyy.z.14/25 brd xxx.yyy.z.127 scope global eth1
> > > inet xxx.yyy.z.35/25 brd xxx.yyy.z.127 scope global eth1:mainmx
> > > inet xxx.yyy.z.34/25 brd xxx.yyy.z.127 scope global secondary
> > > eth1:smtp-staf
> >
> > a normal vserver setup should not look like this ...
> > it should be more like this:
> >
> > inet xxx.yy.zz.226/27 brd xxx.yy.zz.255 scope global eth1
> > inet xxx.yy.zz.230/27 brd xxx.yy.zz.255 scope global secondary
> > eth1:XXXX inet xxx.yy.zz.231/27 brd xxx.yy.zz.255 scope global secondary
> > eth1:YYYY inet xxx.yy.zz.232/27 brd xxx.yy.zz.255 scope global secondary
> > eth1:ZZZZ
>
> thanks for your answer! Now I can guess, what's going on. We are running
> two ip subnets within one ethernet VLAN: an internal, administrative subnet
> which is not routed, and a routed subnet for public services. The ip address
> of the master is in the administrative subnet, the vservers have public ip
> addresses. Obviously the first vserver in the public ip subnet does not get
> a secondary alias interface and all other vserver interfaces get down when
> that specific first vserver is stopped.
>
> So the problem cooks down to figure out how to make all vserver interfaces
> secondary. I've to admit that I don't exactly know what's a "secondary"
> alias interface (linux/Documentation/networking/alias.txt doesn't mention it
> and ifconfig doesn't show that flag). Do you know some source of information
> apart from the kernel source?
# ip addr help
Usage: ip addr {add|del} IFADDR dev STRING
ip addr {show|flush} [ dev STRING ] [ scope SCOPE-ID ]
[ to PREFIX ] [ FLAG-LIST ] [ label PATTERN ]
IFADDR := PREFIX | ADDR peer PREFIX
[ broadcast ADDR ] [ anycast ADDR ]
[ label STRING ] [ scope SCOPE-ID ]
SCOPE-ID := [ host | link | global | NUMBER ]
FLAG-LIST := [ FLAG-LIST ] FLAG
FLAG := [ permanent | dynamic | secondary | primary |
tentative | deprecated ]
HTH,
Herbert
>
> Thanks for your help!
> Thomas
>
>
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