RE: ISA server drops the connection
- From: Mihnea Mironescu <MihneaM@xxxxxxxxxxxxxx>
- To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 21 Nov 2002 09:54:28 +0200
Adrian,
A multihomed machine should have only one default gateway one only one
network adapter. Just remove the default gateway from the LAN adapter and
see if that solves the problems.
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Mihnea Mironescu
IT & Security Manager
Papastratos Romania SRL
MihneaM@xxxxxxxxxxxxxx
Tel.: +40-21-221-9175
Fax: +40-21-430-4091
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-----Original Message-----
From: Adrian Grancea [mailto:agrancea@xxxxxxxxxxx]
Sent: Wednesday, November 20, 2002 18:58
To: [ISAserver.org Discussion List]
Subject: [isalist] ISA server drops the connection
http://www.ISAserver.org
Greetings,
Let me give you more info about the settings:
- The LAN interface has the following TCP/IP 192.168.15.1 / 24 and default
gateway the same.
- The WAN interface has the following TCP/IP 66.207.210.90 / 29, default
gateway 66.207.210.90, DNS 66.207.192.4
The ISA server is used to connect a web / ftp server to the internet and
to receive external e-mails on an internal Exchange server. It's not used
as a proxy.
The problem is that on average once a day , trying to connect from
internet to web / ftp is not working and the e-mails are not received on
the Exchange.
The test I run is to ping from the ISA server the external dns,
66.207.192.4 and there is no reply. I can ping 66.207.210.89, the gateway
interface.
The workaround is to do
ping 66.207.192.4 -t
disconnect the LAN interface patch cord, and watch the screen. In about 5
- 10 seconds there is a reply and can connect the patch cord to the hub
again.
Everything work fine from that moment.
If you have any suggestions I would appreciate them.
Regards,
Adrian
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