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From: Gregory (Grisha) Trubetskoy (grisha_at_ispol.com)
Date: Thu 07 Oct 2004 - 04:24:18 BST


OK, this isn't over yet :-)

I just compiled and installed 2.6.8.1-vs1.9.3-rc2.1, with
util-vserver-0.30.195 on a freshly installed FC1 machine.

Created a vserver, created a config (using the new utils method) when i
start it (with or without hide_netif in the flags file), the interface is
NOT created (ifconfig does not show it from either outside or inside), yet
I can ping the IP number and ssh to the vserver from outside.

I noticed a listdevip tool in utils, it shows:

# ./listdevip
127.0.0.1/255.0.0.0
192.168.1.105/255.255.255.0
192.168.1.130/255.255.255.0

The .130 address is the vserver.

Is this normal?

More info:

The exact config:

# find . -type f -print -exec cat {} \;
./context
1000
./flags
lock
./uts/nodename
test.ispol.com
./nice
9
./interfaces/0/dev
eth0
./interfaces/0/ip
192.168.1.130
./interfaces/0/bcast
192.168.1.255
./interfaces/0/mask
255.255.255.0
./fstab
none /dev/pts devpts gid=5,mode=620 0 0
none /proc proc defaults 0 0

>From inside the vserver:

# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:30:1B:33:8E:9E
           UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
           RX packets:590 errors:0 dropped:0 overruns:0 frame:0
           TX packets:367 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:55077 (53.7 Kb) TX bytes:75701 (73.9 Kb)
           Interrupt:209 Base address:0x9000

>From outside:

# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:30:1B:33:8E:9E
           inet addr:192.168.1.105 Bcast:192.168.1.255 Mask:255.255.255.0
           inet6 addr: fe80::230:1bff:fe33:8e9e/64 Scope:Link
           UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
           RX packets:626 errors:0 dropped:0 overruns:0 frame:0
           TX packets:387 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:58251 (56.8 Kb) TX bytes:79517 (77.6 Kb)
           Interrupt:209 Base address:0x9000

lo Link encap:Local Loopback
           inet addr:127.0.0.1 Mask:255.0.0.0
           inet6 addr: ::1/128 Scope:Host
           UP LOOPBACK RUNNING MTU:16436 Metric:1
           RX packets:16 errors:0 dropped:0 overruns:0 frame:0
           TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:1240 (1.2 Kb) TX bytes:1240 (1.2 Kb)

sit0 Link encap:IPv6-in-IPv4
           NOARP MTU:1480 Metric:1
           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

Thanks,

Grisha

On Wed, 6 Oct 2004, Herbert Poetzl wrote:

> On Wed, Oct 06, 2004 at 04:28:03PM -0400, Gregory (Grisha) Trubetskoy wrote:
>>
>> In vs 1.9.3 I noticed that ifconfig from within a vserver shows the inet
>> addr of eth0 and lo (in 1.2x it did not) - is this the way it's supposed
>> to be, or am I missing a configuration option of some kind?
>
> yes! (yes or yes)
>
> it is supposed to be so, and you are probably looking
> for VXF_HIDE_NETIF ...
>
> HTH,
> Herbert
>
>> Thanks!
>>
>> Grisha
>> _______________________________________________
>> Vserver mailing list
>> Vserver_at_list.linux-vserver.org
>> http://list.linux-vserver.org/mailman/listinfo/vserver
>
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