Date: Fri, 10 Oct 2003 19:51:14 +0200 (CEST) From: Peter Ulrich Kruppa <root@pukruppa.de> To: freebsd-questions@freebsd.org Subject: Problem with ip-alias and internet Message-ID: <20031010190903.L700@pukruppa.net>
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Hi!
Some days ago a strange problem involving our samba server, our
squid proxy and some subnets occured.
This is the network design:
internet
|
DSL-ROUTER
172.16.1.254 +---other subnets
| |
172.16.1.0------switch--------+
subnet | | +---172.16.11.0
| +------+ subnet
SAMBA SQUID
server proxy
IP-aliases: 172.16.2.249
172.16.1.1
172.16.2.1
172.16.11.1
All workstations use the SAMBA server as standard gateway and
name server. The SAMBA machine uses the SQUID-proxy as standard
gateway, which is configured as transparent proxy and connects to
the internet via the DSL-router.
Now this is, what happens:
- workstations from 172.16.1.0 can ping everything and have
internet access
- SAMBA can ping everything, but cannot connect to the internet
by itself (I am running lynx on it)
- workstations from 172.16.11.0 can ping everything but the
proxy and so cannot connect to the internet.
- "cannot connect to the internet" means: I can ping
www.freebsd.org , its IP is correctly resolved, but cannot be
reached.
- all subnets are set to netmask 255.255.255.0
Please mail all kind or ideas, so I have got something to check
on monday.
Thanks,
Uli.
+---------------------------+
| Peter Ulrich Kruppa |
| Wuppertal |
| Germany |
+---------------------------+
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