checking internet connectivity

[Tedman Eng]

For our purposes, even the ISP's routers are considered "Internet"
connectivity, so our definition of "check internet connectivity" is to ping
1 hop past our border router.



-----Original Message-----
From: Moritz Both [mailto:mb at aldebaran.de]
Sent: Tuesday, October 26, 2004 3:38 AM
To: nagios-users at lists.sourceforge.net
Subject: [Nagios-users] checking internet connectivity



Please excuse me if this is a frequently discussed question; i have 
searched but found it difficult to find good search terms:

How do folks check Internet connectivity?

Checking the "presence" of "the Internet" is neccessary to us to make 
other checked hosts and services dependent on that, i.e. we dont want to 
generate notifications for services we check but which are located 
somewhere else when our own Internet connection is gone.

- Do you simply ping www.google.com or something?

- Is pinging third party hosts considered unfriendly since we use their 
bandwidth? (Do you ping hosts you dislike for this reason? :)

- Is there a best practice for that?

- Even Google can vanish, but in that case we still would like to check 
our services.

Thanks for any hints,
Moritz


-- 
Moritz Both
Aldebaran Daten- und Kommunikationssysteme GmbH
Im Moore 26
30167 Hannover
Tel. +49 511 270 41 60
Fax +49 511 27 04 16 33



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