[afnog] VPLS on C6500

Christian M chrismuhirwa at hotmail.com
Thu Feb 28 13:04:19 UTC 2013

Hello Mark,

As c6500 support only 4-Port 10 Gigabit Ethernet and 2-Port 10 Gigabit Ethernet ES+ cards (http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps708/data_sheet_c78-643759.html), this could turn out to be more expensive. As I need more port density, I'm thinking to use 7600-SIP-400 (I had previously made a mistake mentioning SIP-600) with Cisco 10-Port Gigabit Ethernet Shared Port Adapter (as its the one with the highest port density supported by c6500 http://www.cisco.com/en/US/prod/collateral/modules/ps6267/product_data_sheet0900aecd804d884d.html).

Thanks for your feedback.


> From: mark.tinka at seacom.mu
> To: chrismuhirwa at hotmail.com
> Subject: Re: [afnog] VPLS on C6500
> Date: Thu, 21 Feb 2013 05:43:25 +0200
> CC: afnog at afnog.org
> On Tuesday, February 12, 2013 12:29:14 PM Christian M wrote:
> > Hello,
> > I am in process of implementing a network capable of MPLS
> > VPLS and supporting 802.1Q tunneling on a Cisco 6506-E
> > Chassis. I read that only  SIP-600 line cards with SPA
> > support this on c6500, however when using sup2T, it is
> > supported natively.
> > 
> > I currently have WS-SUP720-3B with WS-X6724-SFP line
> > cards.
> > 
> > Has anyone done a similar setup? any suggestion on how to
> > go abt it (upgrade sup or buy SIP line cards)?
> VPLS has traditionally only been supported on the 7600 
> platform, specifically, the ES and ES+ line cards.
> As you rightly mention, the SUP-2T on the 6500 introduces 
> support for native VPLS support, i.e., you don't require SIP 
> or ES line cards on this platform to support VPLS. On the 
> SUP-2T, VPLS is supported on the integrated PFC4 board.
> In case you don't have the SUP-2T, you'll need the ES+ (ES 
> won't work, only ES+) line cards which are now supported on 
> the 6500 and 6500-E chassis, equipped with a SUP720-3B, 
> SUP720-3BXL, SUPVS720-3C or SUPVS720-3CXL supervisor module.
> The new 40Gbps-port 6900 line cards for the 6500 also 
> support VPLS, but these require the SUP-2T supervisor 
> module.
> The WS-X6724 line card you have is what is called a "LAN 
> card". While it's nice, cheap and dense, it's brain dead. A 
> lot of the cool features you need with such a line card will 
> run off the PFC located on the supervisor module, e.g., 
> MPLS. So this line card won't give you VPLS, since the 
> SUP720-3B and SUP720-3BXL don't support it on the PFC3.
> I notice that the SUP-2T supports the WS-X67xx line cards, 
> so it possible that you could get VPLS on them, but I'm not 
> really sure. Suggest you check with TAC for confirmation, 
> before you buy.
> Hope this helps.
> Cheers,
> Mark.
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