Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-28 Thread Gert Doering
Hi, On Wed, Nov 28, 2012 at 12:05:55AM +, Phil Mayers wrote: I'm sure there are topologies in which mst is suitable Textbook topologies, obviously :-) - where you sit down, design your network, implement it, *and then go elsewhere* instead of modifying your network on-the-fly. gert --

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-28 Thread Saku Ytti
On (2012-11-28 09:55 +0100), Gert Doering wrote: I'm sure there are topologies in which mst is suitable Textbook topologies, obviously :-) - where you sit down, design your network, implement it, *and then go elsewhere* instead of modifying your network on-the-fly. We've ran MST as long

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-28 Thread Gert Doering
Hi, On Wed, Nov 28, 2012 at 11:13:02AM +0200, Saku Ytti wrote: But for completely other (numerous) reasons, we're ditching whole L2 and rocking MPLS end to end. Yeah. We see to it that our L2 STP domains are very small (if we can avoid it, no more than 4-6 devices each), and we need to go

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-28 Thread Phil Mayers
On 11/28/2012 09:13 AM, Saku Ytti wrote: On (2012-11-28 09:55 +0100), Gert Doering wrote: I'm sure there are topologies in which mst is suitable Textbook topologies, obviously :-) - where you sit down, design your network, implement it, *and then go elsewhere* instead of modifying your

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-28 Thread Kis-Hegedűs Gábor
-nsp-boun...@puck.nether.net [mailto:cisco-nsp-boun...@puck.nether.net] On Behalf Of Gert Doering Sent: Wednesday, November 28, 2012 10:46 AM To: Saku Ytti Cc: cisco-nsp@puck.nether.net Subject: Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos Hi

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-28 Thread Chuck Church
-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos Hi, We use MSTP with VTPv3. It's quite good if your topology is simple but you have a lot of VLANs. Before we used a lot of STP instances, now we use two of them:) Also on the Cisco 2960 series platform you

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-28 Thread Vinny_Abello
AM To: Reuben Farrelly Cc: cisco-nsp@puck.nether.net Subject: Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos On 27/11/12 12:27, Reuben Farrelly wrote: What vendors, other than Cisco, support some form of Rapid-PVST? I believe Arista do

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-28 Thread Bernie
Farrelly Cc: cisco-nsp@puck.nether.net Subject: Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos On 27/11/12 12:27, Reuben Farrelly wrote: What vendors, other than Cisco, support some form of Rapid-PVST? I believe Arista do

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-28 Thread Randy
wrote: From: vinny_abe...@dell.com vinny_abe...@dell.com Subject: Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos To: p.may...@imperial.ac.uk, reuben-cisco-...@reub.net Cc: cisco-nsp@puck.nether.net Date: Wednesday, November 28, 2012, 11:36 AM

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-28 Thread Bernie
...@dell.com vinny_abe...@dell.com wrote: From: vinny_abe...@dell.com vinny_abe...@dell.com Subject: Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos To: p.may...@imperial.ac.uk, reuben-cisco-...@reub.net Cc: cisco-nsp@puck.nether.net Date

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-28 Thread Blake Dunlap
the original question was about R-PVST so no, FTOS doesn't do that as far as I know. ./Randy --- On Wed, 11/28/12, vinny_abe...@dell.com vinny_abe...@dell.com wrote: From: vinny_abe...@dell.com vinny_abe...@dell.com Subject: Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-28 Thread Jeff Kell
On 11/28/2012 5:38 PM, Bernie wrote: It's clearly highly relevant in some environments, but Dell is gaining market share with the STP functioning as-is. While I can bring discussions like this to management attention, the system is set up to listen to the people making sales decisions at

[c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-27 Thread Reuben Farrelly
On 27/11/2012 9:30 PM, Phil Mayers wrote: Normally I'm not a big fan of proprietary protocols, but MST is so awesomely sucky for Campus environments (map all your VLANs to instances before you start, and never change it - yeah, right!) that we mandate Cisco compatible PVST in all our edge.

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-27 Thread Phil Mayers
On 27/11/12 12:27, Reuben Farrelly wrote: What vendors, other than Cisco, support some form of Rapid-PVST? I believe Arista do on their switches - are there any others? If it's Extreme, Foundry, HP in older firmware (newer firmware dropped it in favour of MST, IIRC - sigh). I think it's

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-27 Thread Gert Doering
Hi, On Tue, Nov 27, 2012 at 11:27:08PM +1100, Reuben Farrelly wrote: What vendors, other than Cisco, support some form of Rapid-PVST? I Juniper does, both on MX not-so-switches and on EX. believe Arista do on their switches - are there any others? If it's proprietary, did Arista license

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-27 Thread Nicolas KARP
Hello, MST is a really good ***not*** proprietary protocol.. You just need to understand how it works and how you can interconnect your regions all together (not very straightforward I agree) If you just have independent Layer 2 area's, you can create something like that (on all your layer 2

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-27 Thread Gert Doering
Hi, On Tue, Nov 27, 2012 at 10:11:18PM +0100, Nicolas KARP wrote: MST is a really good ***not*** proprietary protocol.. You just need to understand how it works and how you can interconnect your regions all together (not very straightforward I agree) If you just have independent Layer 2

Re: [c-nsp] MST Experiences: was Re: Dell switches (specifically PowerConnect 7048P) and Ciscos

2012-11-27 Thread Phil Mayers
As Gert says - I understand mst just fine, thanks. It's just completely unsuitable for our needs, and by the sound of it, others too. It's also a solution looking for a problem. Even puny 600mhz cpu in sup720 can handle vast numbers of vports with no appreciable load, afaict. I'm sure there