Re: Latency
- From: "Ray Dzek" <rdzek@xxxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Tue, 17 Sep 2002 10:00:29 -0700
In my experience, nearly all "delayed connection" problems surrounding ISA
are related to DNS. It is not latency, it is a name resolving issue. We
learned the hard way migrating from a classic NT 4.0 WINS based domain where
everything was based on netbios names and netbeui broadcasts.
When we installed ISA, suddenly Telnet sessions where taking up to 2 minutes
to connect. Implementing a new DNS server with properly setup forward and
reverse lookup zones fixed everything.
----- Original Message -----
From: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Tuesday, September 17, 2002 6:00 AM
Subject: [isalist] Latency
http://www.ISAserver.org
I recently installed ISA between my router and office network. I have
most everything working as I need it thanks to this helpful site. I know
hav a latency problem when I access my router or DMZ. For example, when I
telnet from my workstation through ISA to the router it takes 25 seconds
to get a login prompt. I have similar problem when I access computers on
my DMZ with PCAnywhere, or public FTP sites. When I access a public
website like this one there is no noticeable delay. IMAP, POP3, SMTP all
work fine too. Any tips?
office network -- ISA server -- switch -- router --- Internet
|
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other computers
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