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Monday, November 22, 2010

Which platforms support GRE in hardware?

Is there a document which summarizes the devices which support GRE in hardware and the limitations ? is it correct that the entry level for h/w based GRE is the SUP32 PISA ? Is there no hardware support for GRE in the 4500, even with 10Gb Sup ?


On 6k, Sups running in PFC-3B mode and up will support GRE in hardware. Use "show platform hardware pfc mode" to verify.

On 4500, the sup7E has the capabilities for hardware support, but I don't think the software has yet been released to support GRE in hardware. Last I can find, the software release was aimed at post-launch, which I believe just came recently in August or so.

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