Mailinglist Archive: opensuse (1701 mails)

[Per Jessen <per@xxxxxxxxxxxx>]

Clayton wrote:

> > What happens if you do a "ping -n <known addr>" ?  If that also
> > doesn't work, try "traceroute -n <known addr>".  If ICMPs for some
> > reason are being dropped during one of these outages, the "ping -n"
> > wont work either, but the "traceroute -n" might just show how far
> > they do get.
[snip]
> I tried ping -n and got the same results as a regular ping (both to a
> URL and an IP)... no replies back. 

Okay.  (the -n bit was just to switch off dns lookups).

> traceroute -n did produce results... a lot of lines with *'s and
> various IPs. 

Can you post some of the output perhaps?  

> I need to test this some more with known URL/IP combinations that
> reply normally and then hit them again during an outage to see the
> difference.  I hope to be able to do this tonight.

Just use an IP address - using a hostname only causes DNS lookups, that
we don't really care about.  194.150.245.35 = www.sbb.ch. 

> Is it possible that the dropped ICMPs could be a result of some
> misconfig on my end?  I know little about ICMPs (I'm reading up on it
> though).

It is possible, but you said you got something through with the
traceroute, so I think it's happening elsewhere. 


/Per

-- 
Per Jessen, Zürich (17.0°C)

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