I agree with Jenny's comments. I've also used floating-statics for quite
some time to backup frame links. I was playing around with dialer watch in
the lab this weekend and it does some 'interesting' things...
For one, it seems to do away with the "interesting traffic" requirement. If
the main link goes down and any of the routes in the watch list disappear,
the backup link will be brought on-line.
I can think of a couple of reasons why this would be attractive but by the
same token, it could get rather expensive especially if you have large
blocks of time where nothing is going across the line - nights/weekends -
but it's still up.
With the floating static method, you can utilize time-based ACLs to specify
your interesting traffic thus minimizing the impact of a circuit outage over
a weekend for example.
Definitely try them both out in a lab though; I intend to kick the tires of
dialer watch a bit more myself.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
[EMAIL PROTECTED]
Sent: Sunday, January 13, 2002 6:31 PM
To: [EMAIL PROTECTED]
Subject: Re: ISDN dialer watch VS floating static routes [7:31609]
I have always used floating statics to back up a frame relay network.
Why?
Easy - we're only just migrating to IOS 12.1. And anyway, this particular
network has been using floating static routes for the last several years
(since *long* before dialer watch was available) - they are flexible, suit
the network topology and design, and they work. And our support mob are
familiar with them, which is also a useful reason to keep using them.
I'd look more closely at dialer watch for a brand new network or major
redesign, but right now I personally have no good reasons for changing.
YMMV.
JMcL
"Charlie
Wehner" To:
[EMAIL PROTECTED]
Subject: ISDN dialer watch VS floating
static
Sent by: routes
[7:31609]
nobody@groups
tudy.com
11/01/2002
12:49
pm
Please
respond
to
"Charlie
Wehner"
When configuring an ISDN backup for a frame relay circuit do most people
typically use "dialer watch" or "floating static routes". In my scenerio,
it's for an eigrp network and a single router.
I've seen the following article on Cisco's website:
http://www.cisco.com/warp/public/123/backup-main.html
However, all things being equal, which one would you use?
Thanks in advance,
Charlie
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=31809&t=31609
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