About this list Date view Thread view Subject view Author view Attachment view

From: Fernando Serto (fernando_at_serto.com.br)
Date: Tue 01 Jul 2003 - 09:34:15 BST


I forgot to mention that I'm running RedHat 8 here... I have the same
configuration at home, but running on a slackware 9 and it works!

> hi folks, it seems strange, but I can't open any connections from my
vserver
> to any other box on the LAN. even ping is not working... here goes the
> details:
>
> fenestra is the root server, and cartman is the vserver i'm talking about:
>
> [root_at_fenestra root]# ifconfig -a
> eth0 Link encap:Ethernet HWaddr 00:xx:xx:xx:xx:1C
> inet addr:61.x.x.3 Bcast:61.x.x.x Mask:255.255.255.128
>
> eth0:cart Link encap:Ethernet HWaddr 00:xx:xx:xx:xx:1C
> inet addr:61.x.x.101 Bcast:61.x.x.x Mask:255.255.255.128
>
> eth1 Link encap:Ethernet HWaddr 00:90:27:75:FC:66
> inet addr:192.168.10.2 Bcast:192.168.10.255 Mask:255.255.255.0
>
> eth1:cart Link encap:Ethernet HWaddr 00:90:27:75:FC:66
> inet addr:192.168.10.101 Bcast:61.8.29.127 Mask:255.255.255.0
>
> My cartman.conf file has the following configuration (just the networking
> config):
> IPROOT="eth0:61.8.29.101/255.255.255.128
eth1:192.168.10.101/255.255.255.0"
> IPROOTDEV=eth0
>
> If I comment the IPROOTDEV line, it seems to not configure the
interfaces...
>
> while inside the vserver, I can ping the outside world:
>
> [root_at_vserver:cartman /]ping www.telstra.com.au
> PING www.telstra.com.au (144.135.18.41) from 61.x.x.x: 56(84) bytes of
data.
> 64 bytes from 144.135.18.41: icmp_seq=1 ttl=248 time=71.9 ms
> 64 bytes from 144.135.18.41: icmp_seq=2 ttl=248 time=123 ms
> 64 bytes from 144.135.18.41: icmp_seq=3 ttl=248 time=163 ms
>
> --- www.telstra.com.au ping statistics ---
> 3 packets transmitted, 3 received, 0% loss, time 2371ms
> rtt min/avg/max/mdev = 71.963/119.879/163.855/37.618 ms
>
> but, I can't ping my desktop on the LAN:
>
> [root_at_vserver:cartman /]ping 192.168.10.142?
> PING 192.168.10.142 (192.168.10.142) from 61.x.x.x (WHY NOT THE INTERNAL
> IP?): 56(84) bytes of data.
>
> --- 192.168.10.142 ping statistics ---
> 31 packets transmitted, 0 received, 100% loss, time 30018ms
>
> here comes the "weirdest" part... While trying to ping my desktop, I
started
> tcpdump, and look what I got here:
> [root_at_fenestra root]# tcpdump -i eth1 -n | grep 192.168.10.142
> tcpdump: listening on eth1
> 16:58:32.585950 61.x.x.x > 192.168.10.142: icmp: echo request (DF)
> 16:58:32.586143 192.168.10.142 > 61.8x.x.x : icmp: echo reply
> 16:58:33.603579 61.x.x.x > 192.168.10.142: icmp: echo request (DF)
> 16:58:33.603701 192.168.10.142 > 61.x.x.x : icmp: echo reply
>
> why the hell is it trying to connect using the external ip? is this the
> problem?
> my routing table looks like this:
> [root_at_fenestra root]# route -n
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use
> Iface
> 61.x.x.0 0.0.0.0 255.255.255.128 U 0 0 0
eth0
> 192.168.10.0 0.0.0.0 255.255.255.0 U 0 0 0
eth1
> 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
> 0.0.0.0 61.x.x.1 0.0.0.0 UG 0 0 0
eth0
>
> any ideas? I'm running a squid proxy on this vserver, but, I'll create
> another vserver to use as our mail relay, just to hide the exchange, and
> this "mail vserver" will have to forward the mails to the exchange server,
> but how? If I can't even reach it?
>
> from the root server:
> [root_at_fenestra root]# telnet 192.168.10.20 25
> Trying 192.168.10.20...
> Connected to 192.168.10.20.
> Escape character is '^]'.
> 220 HARRIS.localdomain ESMTP Server (Microsoft Exchange Internet Mail
> Service 5.5.2656.59) ready
>
> but, from the vserver:
> [root_at_vserver:cartman /]telnet 192.168.10.20 25
> Trying 192.168.10.20...
>
> Cheers,
> Fernando
>


About this list Date view Thread view Subject view Author view Attachment view
[Next/Previous Months] [Main vserver Project Homepage] [Howto Subscribe/Unsubscribe] [Paul Sladen's vserver stuff]
Generated on Tue 01 Jul 2003 - 09:54:57 BST by hypermail 2.1.3