Re: [Vyatta-users] Vyatta Wan capacities

[Robert Bays]

Hi Venkat,

In my experience the handoff depends largely on your carrier, the
facilities in your building, and where you are in the world.  I would
start out by finding out what the facilities look like at your site and
that will go a long way towards answering what your options are.  A
quick walk through the building's telco closet can tell you a lot.  Some
carriers do provide an onsite device that will terminate serial/optical
lines and handoff as ethernet so that may be an option for you.  If not,
Vyatta only supports a T3 wan interface right now.  We don't have
support for an OC3 card yet.

But I think I just rephrased what you originally said.  Did that answer
the question?

Cheers,
Robert.

Venketesan wrote:
 Hi,
 We are trying to determine what sized deployment can we use a Vyatta 
 router. Our concern is that Vyatta can support a max of T3 WAN lines 
 and not beyond like oc-12 etc. We had a few questions if someone could 
 answer:
 1. The link from the ISP to a enterprise site, is it usual for the ISP 
 to drop a T3\OC-12 line at the site ina layer 1 transmission equipment 
 and the enterprise is expected to take up the T3\OC-12 line into the 
 router? If this is the case we can use Vyatta only upto T3 speeds? 
 OR
 2. Is it common network deployment method for an ISP to drop an 
 Etherenet line at the enterprise site via a layer 2 switch capable of 
 receive T3 and OC12 lines? The enterprise then takes the  the 802.3 
 ethernet out of the switch into the router. If this is the case we are 
 good in using Vyatta routers upto Gb speeds.
 
 Thanks,
 Venkat
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[Vyatta-users] Vyatta Wan capacities

[Ken Felix (C)]

That depends on your provider.  You will have to contact your provider
to see how they can deliver and what they can deliver. But basically you
get a demarc and you are required to extend or have them extend it to
the   network interface.

 

I personally would not look at a  legacy T3 or OC12 as  far as that
goes. You can  get more with a FE or GIGE  access. I would suggest you
look around for a provider that   provides or resell  MetroE  deliveries
or provides native Ethernet handoffs. 

 

Here in  BellSouth for example,  I can get either  copper access
100baseT or   optical ( upto 1GIGE). I  would also suspect in the near
future once they  receive the  demands for   10GIGE, 10GIGE optical will
be common.

 

To give you come comparison;

 

A 100meg FE is like 2.1 times more than a DS3

A 1000baseT is nearly 1.6 times more a OC12.

 

Also keep in mind, why  Ethernet is more advantageous; you don't need
any  expensive  WAN cards and way easier to troubleshoot.

 

Hopes this helps.

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