hi there...
my vserver host has some interfaces connected to some subnets.
my vserver guest reside on a specific interface with an ip address of
the hosts subnet.
example:
host server
two interfaces:
eth7 192.168.80.15 (set via half-static dhcp, behaviour with pure static
address is the same)
eth7:vt1 192.168.80.8
eth8 192.168.8.122
eth8:dg1 192.168.8.121
I used the name setting for the vserver's to make it more transparent
(vt1 for vtest and dg1 for dguard)
the routing on the host works as expected.
route -n shows the following:
Kernel IP Routentabelle
Ziel Router Genmask Flags Metric Ref Use
Iface
192.168.80.0 0.0.0.0 255.255.255.0 U 0 0 0 eth7
192.168.8.0 0.0.0.0 255.255.255.0 U 0 0 0 eth8
0.0.0.0 192.168.8.1 0.0.0.0 UG 0 0 0 eth8
the vservers:
vtest: interface eth7:vt1
route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
192.168.80.0 0.0.0.0 255.255.255.0 U 0 0 0 eth7
192.168.8.0 0.0.0.0 255.255.255.0 U 0 0 0 *
0.0.0.0 0.0.0.0 0.0.0.0 UG 0 0 0 *
could only reach own subnet. route does not allow changes!?
dguard: interface eth8:dg1
Kernel IP Routentabelle
Ziel Router Genmask Flags Metric Ref Use
Iface
192.168.80.0 0.0.0.0 255.255.255.0 U 0 0 0 *
192.168.8.0 0.0.0.0 255.255.255.0 U 0 0 0 eth8
0.0.0.0 192.168.8.1 0.0.0.0 UG 0 0 0 eth8
could not reach .80.0 subnet. rout does not allow changes too!?
I read some information about "wrong" behaviour with multiple subnets.
as you could the machine has a lot interfaces, only two are setup in the
moment, but the others will follow soon.
any ideas how to setup routing/interfaces of the vservers correctly?
I played with the rlimits, rss/as are working fine. but how could I
limit cpu usage, for example 25% of the hosts cpu capacity? the cpu
directive is for cpu time in seconds....how much is realistic!? and how
it's measured?
thanks!
cu joh.
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