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Re: Router appears in tracert but can't ping?

On Tue, 17 Jun 2003 21:27, Stefan Neufeind wrote:
> What I'm looking for is a possibility to see if this router (that denies
> ping- packets) is still available? I have Nagios running and normally it
> monitors hosts via ping. So I need a replacement that would tell me if this
> router on the way to a server is reachable. I want to test the whole path
> to see where an error occured. Well, is it possible to "simulate"
> traceroute-like packets? What would you do to achive this?

Pinging a machine that is beyond the router should be a strong indication that 
the router is still functioning.  ;)

If you want to specifically ping it then lft may do the job, set it to a 
minimum ttl that matches the router.  It doesn't seem possible to specify a 
maximum count however.

http://www.coker.com.au/selinux/   My NSA Security Enhanced Linux packages
http://www.coker.com.au/bonnie++/  Bonnie++ hard drive benchmark
http://www.coker.com.au/postal/    Postal SMTP/POP benchmark
http://www.coker.com.au/~russell/  My home page

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