[c-nsp] gigabit ethernet ring for metro ethernet deployment

[Voll, Scott]

What are you trying to do?  End goal?

Spanning tree will allow for the shortest path and if something goes
down you are redirected to the other side of the ring.

OSPF could also do this for you at Layer 3.

If your trying to get 2 Gig, I don't know how you would go about doing
that.

So what is the real problem?

Scott

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Affan Basalamah
Sent: Thursday, January 04, 2007 8:58 AM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] gigabit ethernet ring for metro ethernet deployment

Hi all,

I just want to ask for your opinion in deploying gigabit ethernet ring
for metro ethernet MAN deployment. The information I got is that
gigabit ethernet ring has drawbacks in ring capacity bandwidth for L2
metro deployment. I know, gigeth doesn't been designed to allow ring
topology, so creating p2p link with layer 2 will cause some
limitation, thanks to the spanning tree protocol.

I want to know, is it possible to deploy L3 point-to-point link to
create gigeth ring that can overcome the limitation above ?

The goals that I was trying to achieve is to design and deploy metro
ethernet ring for MAN backbone with the smallest budget possible, and
I find that metro gigabit ethernet switch is quite cheap these days,
compared to the RPR and sonet/sdh-based solution.

Thank you all for your information,

Regards,

-affan
_______________________________________________
cisco-nsp mailing list  cisco-nsp at puck.nether.net
https://puck.nether.net/mailman/listinfo/cisco-nsp
archive at http://puck.nether.net/pipermail/cisco-nsp/