-----Original Message----- From: Chris Woodfield [mailto:rekoil@semihuman.com] Sent: Wednesday, March 09, 2011 6:11 PM To: Chris Enger Cc: 'jgoodwin@studio442.com.au'; 'nanog@nanog.org' Subject: Re: Internet Edge Router replacement - IPv6 route table sizeconsiderations
I think this is the point where I get a shovel, a bullwhip and head over to the horse graveyard that is CAM optimization...
-C
Well, it really isn't so bad. With Brocade FPGA gear you can change how much CAM is allocated to different functions (but you can't do it on the fly, it takes a reboot). I don't think these are available for the CER series, though. The MLX or MXR can be reconfigured. The thing is that the XMR and MLX are not ASIC-based devices, they are FPGA-based which means the hardware can be re-wired with a code change. Personally, I like to be able to reallocate CAM from features I am not using to features that I am using. And to be fair, Brocade has been improving over the past couple of years. Now if only we could route layer 3 on MCT VLANS ... (MCT is sort of like Arista mLAG but it is layer2 only at this point).