Re: often need to stop and start DNS service....

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From: Jim (anonymous_at_discussions.microsoft.com)
Date: 03/19/04 

Date: Fri, 19 Mar 2004 13:25:21 -0800

I'm going to give calling my ISP (Comcast) a try for now.
Let you know if I learn anything...
>-----Original Message-----
>> Thanks so much for your help, but I'm not near as
>> technically savvy as you are and am kindof lost. What
>> exactly is the "lease" and how do I fix this or what do
I
>> tell my ISP? Appreciate it.
>
>When a DHCP client (dynamic IP address) receives an
>address (and configuration) from a DHCP server a "lease
>time" is part of the info.
>
>The client is ALLOWED to use that address until the lease
>expires. If the ISP is re-initializing the cable modem,
DHCP
>server, or routers (some of these do filtering to keep
out rogue
>-- unpaid -- clients) before the lease expiration your
client
>won't "renew" automatically even though the IP is now
useless.
>
>This is WRONG of the ISP (their equipment.) If this is
it, it is
>their fault.
>
>They might ignore you or whatever but that would be my
>diagnoses.
>
>(DHCP clients renew at some percentage of lease
expiration,
>the amount isn't important, and on reboot typically OR
when
>you type that "IPConfig /renew")
>
>If the ISP won't fix it -- sounds likely -- and the renew
solves
>it, then I would build some kinds of "background batch
file"
>that tests the line, and issues the renew if necessary."
>
>I don't think Ping sets the errorlevel so you will have
to find
>another program to test the net from the batch.
>
>You could just run a renew every 5 minutes or so, I
suppose.
>(It might irritate your ISP but they likely deserve it if
you have
>to work around this problem.)
>
>
>--
>Herb Martin
>
>
>.
>

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