[Eug-lug] dns (?) problems

[larry price]

if you suspect DNS issues you can use

host -d <hostname>

to get a detailed trace of the lookup

if it's one of those cheapjack disposable firewall thingies and it's
started to go wonky on you, its time to dispose of it and get a newer
one ;-)

On 1/10/07, Matthew Jarvis <mattj at bikefriday.com> wrote:
> I'm having the oddest thing going on...
>
> On an otherwise reasonably functional network, I see that sometimes I
> can get out on the net, other times not, and sometimes it's fine one
> minute then almost instantly - poof - nadda...
>
> For example, to test I might do something like:
>
> ping. www.red.com
>
> and nothing happens... try again, nothing... and again... then all of a
> sudden it works... ^c that and try again - doesn't work...
>
> or do the above command, works fine, then nslookup fails, then up arrow
> and it works, up arrow, fails....
>
> It's not just my machine as this is reported (as best they can) from
> other users...
>
> It seems as though web pages that have been recently visited kinda work,
> but not necessarily always...
>
> A call to Comcast tech support suggested it was my firewall after
> hooking up a laptop directly to the router... they assured me it wasn't
> their dns server... sure enough it worked then, but once again it's a
> problem...
>
> Rebooted firewall (snap gear) and Comcast router... last time (Friday)
> it seemed as though the firewall might have been the culprit, but
> reboots this time around don't seem to help...
>
> This happened the first time a couple weeks ago, but to my knowledge
> nothing has been changed on our network...
>
> It's starting to get on my nerves...
>
>
> --
> Matthew S. Jarvis
> IT Manager
> Bike Friday - "Performance that Packs."
> www.bikefriday.com
> 541/687-0487 x140
> mattj at bikefriday.com
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