[ANSS-netops] experience with rt130 ethernet

[David S. Croker]

Hi Mitch,

Sorry I didn't respond sooner.  We have about 4 RT130's coming in 
using cell modems and one via HughesNet satellite, both via the 
public internet.  In the case of the satellite, there is a router on 
site with an IPSEC tunnel to Menlo.  The cell sites have no such 
"security" in the field, just a firewall hole on the Menlo campus 
network.  The way I understand it (which is sketchy at best), the 
fact that RT130's use UDP packets and will only talk with the RTPD 
address, there are no other security issues with this set up and the 
IT hounds don't have a problem with it.  Thus, they have been working 
fine in this situation.  Hope this helps.

Dave

At 08:22 AM 3/10/2010, Mike Hagerty wrote:
>Mitch,
>we've got most of our network (of RT130s) connected directly to 
>public internet - in most cases we've poked
>holes in our hosts' firewalls - and they've worked without any 
>problems for over 5 years now.  I'd say the
>ethernet interface is very robust.
>
>-Mike
>
>mwithers at memphis.edu wrote:
>>
>>We just got our first few RT130's installed last month.  We have them
>>streaming over a digital telemetry link to a router that gets them
>>onto public internet.  The primary purpose of the router is to let us
>>use a single routable ip to connect our three devices (the das and
>>the two radios).  It also has the advantage of isolating the das from
>>spurious traffic from the wilds of the internet.  So far, this lashup
>>is working great.
>>
>>Now we want to install one where we don't need the telemetry leg of
>>the communcations.  So we only need a single ip for the das and
>>theoretically don't need the router.  But we've had a lot of trouble
>>in the past with terminal servers hanging when they're exposed
>>directly to the internet.  How robust is the rt130 interface?  Does
>>anyone have experience connecting them directly to public internet
>>or do people hide them behind firewalls, routers, etc?
>>
>>Mitch
>>
>>Center for Earthquake Research and Information (CERI)
>>University of Memphis                Ph: 901-678-4940
>>Memphis, TN 38152                   Fax: 901-678-4734
>>
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>
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