|
with ifup it will definitely matter. my DR service aliases use the
same netmask as the primary interface on the director and i use
ifup/ifdown to control them without an issue. i'm using FWMARK for
all my services, DR and NAT, which may well make a difference.
i use DR for cluster internals (web services, etc) only, so the
service IP is on the same subnet as the real server primary
interfaces and the client hosts. this has been working well for me
for the last year or so doing healthy volumes.
|
internet facing interfaces
--------------
| director |
--------------
internal interfaces
eth0 192.168.10.1/16
eth0:0 192.168.20.100/16
|
|
|
|
| eth0 192.168.20.1-n/16
| ----------------
|-------- |real server1-n| dummy0 192.168.20.100/32
| ----------------
|
client hosts ------|
all on subnet 192.168.0.0/16
director configured:
iptables -t mangle -A PREROUTING -d 192.168.20.100 -i eth0 -p tcp -m
tcp -j MARK --set-mark 8888
ipvsadm -A -f 8888 -s wlc
ipvsadm -a -f 8888 -r 192.168.20.1:0 -g -w 5
ipvsadm -a -f 8888 -r 192.168.20.2:0 -g -w 5
ipvsadm -a -f 8888 -r 192.168.20.n:0 -g -w 5
nick
On Wed, Apr 07, 2004 at 07:07:35AM -0400, Joseph Mack wrote:
nick garratt wrote:
>
> hi
>
> your problem is is that your alias eth2:0 has a 255.255.255.255 mask
> whereas it should have the same mask as eth2, being on the same
> subnet.
he has the correct netmask for LVS-DR
As the interface is on eth2 (as opposed to lo) it should probably
have the netmask of the network. Though it most likely
does not matter.
--
Horms
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